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315 verified Gastroenterologists in Lancaster, CA
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
All providers
Availability last updated 08/01/2026
Availability last updated 08/01/2026

Dr. Seyedehsan Navabi, MD

Gastroenterologist
4.93
·151 reviews
Excellent, friendly, knowledgeable service from whole staff of this office - Oct 8, 2024 by Allison R.Click to read more
59.5 mi · 3840 Woodruff Ave, Ste.206, Long Beach, CA 90808
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 1 more ·
Read bio
Dr. Seyedehsan (“Ehsan”) Navabi is a former Director of both the Inflammatory Bowel disease and Gastrointestinal Motility Disorders at the Rutgers New Jersey Medical School where he served as Assistant Professor of Gastroenterology. He obtained his medical degree from Tabriz University of Medica...Click to read more
Next available: Tue, Sep 22

Dr. Ousama Alkhatib, MD

Gastroenterologist
4.71
·31 reviews
Very knowledgeable. Listened to my concern attentively and gave me education on my issue. - Jun 30, 2026 by Margaret W.Click to read more
61.5 mi · 4772 Katella Ave, #200, Los Alamitos, CA 90720
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** Ousama Alkhatib, MD is a board-certified physician specializing in Gastroenterology, practicing medicine in Orange, California. He completed medical school at Faculty of Medicine in Alepp, ...Click to read more
Next available: Mon, Aug 10

Dr. Seyedehsan Navabi, MD

Gastroenterologist
4.93
·151 reviews
Excellent, friendly, knowledgeable service from whole staff of this office - Oct 8, 2024 by Allison R.Click to read more
61.5 mi · 3851 Katella Ave, Ste 205, Los Alamitos, CA 90720
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 1 more ·
Read bio
Dr. Seyedehsan (“Ehsan”) Navabi is a former Director of both the Inflammatory Bowel disease and Gastrointestinal Motility Disorders at the Rutgers New Jersey Medical School where he served as Assistant Professor of Gastroenterology. He obtained his medical degree from Tabriz University of Medica...Click to read more
Next available: Mon, Aug 24

Dr. Haig Najarian, MD

Gastroenterologist
5.00
·31 reviews
61.5 mi · 4772 Katella Ave, #200, Los Alamitos, CA 90720
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 5 more ·
Read bio
**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP APPOINTMENTS** Dr. Haig Najarian is a distinguished gastroenterologist. He practices at UNIO Specialty Care in Orange and Los Alamitos, CA. He is dedicated to delivering thorough gastrointestinal care. He works closely with patie...Click to read more
Next available: Tue, Sep 1

Dr. Natalie Marino, MD

Family Physician
4.05
·20 reviews
Overall this was a pretty productive doctor's appointment, I felt very heard and while she ran through things quickly she made sure to take the time to explain everything in depth. I also felt her knowledge of my medical conditions was a lot more up-to-date than previous doctors were which I find in...Click to read more
57 mi · 1321 N Hbr Blvd, Ste 205, Fullerton, CA 92835
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Also offers video visits · Accepting new patients ·
Read bio
Dr. Natalie Marino is a compassionate physician board-certified in Family Medicine. She practices both Primary Care General Medicine, as well as Dermatology. She received her Medical Degree, as well as a Masters in Public Health, from the University of Pittsburgh. She completed her residency trainin...Click to read more

Dr. Ousama Alkhatib, MD

Gastroenterologist
4.71
·31 reviews
Very knowledgeable. Listened to my concern attentively and gave me education on my issue. - Jun 30, 2026 by Margaret W.Click to read more
65 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in colonoscopy ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** Ousama Alkhatib, MD is a board-certified physician specializing in Gastroenterology, practicing medicine in Orange, California. He completed medical school at Faculty of Medicine in Alepp, ...Click to read more
Next available: Fri, Aug 7

Dr. Octaviano Roges, MD

Family Physician
5.00
·6 reviews
Great listener and very kind but more than anything very professional - Jul 28, 2026Click to read more
59.5 mi · 1211 W La Palma Ave, Ste 408, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 13 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in coronary artery disease + 9 more ·
Read bio
Dr. Rogés completed his Family Medicine residency at the University of California, San Diego in 2009 and is board certified in Family Practice. His work has been published in the "Expert Opinion" journal and he has been a reviewer for the prestigious "The Lancet". Dr. Rogés is passionate about the t...Click to read more
Next available: Mon, Aug 3

Dr. Alaa Abousaif, MD

Gastroenterologist
4.84
·37 reviews
Great service - Jul 13, 2026 by Alejandro H.Click to read more
65 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 6 more ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** Dr. Alaa Abousaif has been in private practice for the past fifteen years. He has completed extensive advanced training in treating a multitude of digestive disorders and possesses the expe...Click to read more
Next available: Mon, Aug 10

Dr. Javed Sadiq, MD

Gastroenterologist
4.88
·196 reviews
Best out of 3 gi doctors I have seen so far explains thing better and provides more info - Jul 5, 2024 by Jason P.Click to read more
63.5 mi · 5455 Garden Grove Blvd, Ste 230, Westminster, CA 92683
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 3 more ·
Read bio
*Please verify your insurance coverage prior to scheduling an appointment. Patients with HMO plans must obtain prior authorization before being seen at our practice.Click to read more
Next available: Wed, Sep 2

Dr. Essam Quraishi, MD

Gastroenterologist
4.72
·76 reviews
Took a bit of time to be seen, but doctor was friendly and knowledgeable, and staff seemed competent and helpful.Click to read more
63.5 mi · 5455 Garden Grove Blvd, Ste 230, Westminster, CA 92683
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
*Please verify your insurance coverage prior to scheduling an appointment. Patients with HMO plans must obtain prior authorization before being seen at our practice. Dr. Essam Quraishi is the founder and President of Gastrointestinal and Liver Consultants, Inc. Dr. Quraishi graduated from medical s...Click to read more
Next available: Tue, Sep 8

Dr. James Hwang, MD

Gastroenterologist
4.33
·3 reviews
The doctor was friendly and listened to my concerns. He took his time answering my questions. He didn't make me feel like I HAD to do a certain treatment and that I had a say in my healthcare. When I explained my previous not-so-pleasant experience with bowel prep, he offered 3 recommendations and I...Click to read more
65 mi · 1140 W La Veta Ave, Ste 555, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Excellent wait time ·
Read bio
Dr. James Hwang is a board-certified gastroenterologist with extensive experience across multiple healthcare systems, including Kaiser Permanente Sacramento, Enloe Medical Center, and Rio Grande Gastroenterology. He completed his gastroenterology fellowship and internal medicine residency through Su...Click to read more
Next available: Tue, Aug 18

Dr. Haig Najarian, MD

Gastroenterologist
5.00
·31 reviews
65 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 5 more ·
Read bio
**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP APPOINTMENTS** Dr. Haig Najarian is a distinguished gastroenterologist. He practices at UNIO Specialty Care in Orange and Los Alamitos, CA. He is dedicated to delivering thorough gastrointestinal care. He works closely with patie...Click to read more
Next available: Wed, Aug 19

Dr. Janet H Lee, DO

Internist
4.80
·416 reviews
was excellent. She was helpful. Office was modern and clean. Staff cooerative - Mar 21, 2014 by Mohammad S.Click to read more
59.5 mi · 2214 Torrance Blvd, Torrance, CA 90501
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Accepting new patients · 25 years of experience · Excellent wait time · Expertise in chronic diabetes + 9 more ·
Read bio
Dr. Janet Lee earned her Doctor of Osteopathic Medicine degree from Touro University, Mare Island, and completed her residency at the University of California Irvine Medical Center. She is board-certified in internal medicine. In 2010, after specializing extensively in hospital practice, Dr. Lee fou...Click to read more
Next available: Tue, Aug 11

Dr. James Lee, MD

Gastroenterologist
4.97
·30 reviews
65 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in chronic inflammatory bowel disease (ibd) + 7 more ·
Read bio
**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP APPOINTMENTS** Dr. James J. Lee has a private practice located in Orange, California and is a clinical assistant professor at the University of California, Irvine. In the last two decades, Dr. Lee has been involved in numerous end...Click to read more
Next available: Wed, Sep 2

Dr. Natalie Marino, MD

Family Physician
4.05
·20 reviews
Overall this was a pretty productive doctor's appointment, I felt very heard and while she ran through things quickly she made sure to take the time to explain everything in depth. I also felt her knowledge of my medical conditions was a lot more up-to-date than previous doctors were which I find in...Click to read more
60.5 mi · 3248 Sepulveda Blvd, Torrance, CA 90505
Accepts Aetna, BlueCross BlueShield, Cigna + 36 more
Also offers video visits · Accepting new patients ·
Read bio
Dr. Natalie Marino is a compassionate physician board-certified in Family Medicine. She practices both Primary Care General Medicine, as well as Dermatology. She received her Medical Degree, as well as a Masters in Public Health, from the University of Pittsburgh. She completed her residency trainin...Click to read more

Dr. Hardeep Singh, MD

Gastroenterologist
5.00
·31 reviews
65 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 8 more ·
Read bio
Dr. Hardeep M. Singh grew up in Orange County and obtained his undergraduate and medical degrees from USC. While completing his internship and residency at Cedars Sinai Medical Center, Dr. Singh received the Leo Rigler Award for his academic achievement. While completing his fellowship in Gastroente...Click to read more
Next available: Tue, Sep 8

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
59.5 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients ·
Read bio
Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Tue, Aug 18

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·6 reviews
59.5 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Thu, Aug 20

Terri Rembuskos, PA-C

Physician Assistant (Gastroenterology)
5.00
·30 reviews
61.5 mi · 4772 Katella Ave, #200, Los Alamitos, CA 90720
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended ·
Read bio
**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP APPOINTMENTS** Terri Rembuskos is a graduate of the University of California, Irvine. She completed her Bachelor of Science in Biology and a Bachelor of Arts in Political Science in 1998. She went on to graduate from the Universit...Click to read more
Next available: Wed, Aug 5

Dr. Bardia Sadr, MD

Internist
63.5 mi · 2141 W Orangewood Ave, Orange, CA 92868
Accepts Aetna, Medicare
Also offers video visits · Accepting new patients · Expertise in chronic high blood pressure + 2 more ·
Read bio
Dr. Bardia Sadr is a board-certified internal medicine physician with more than 15 years of experience caring for adults in the Irvine community.Click to read more
Next available: Tue, Aug 4

Dr. Shahab Zahed, MD

Internist
63.5 mi · 2141 W Orangewood Ave, Orange, CA 92868
Accepts Aetna, Medicare
Also offers video visits · Accepting new patients · 25+ years of experience ·
Read bio
Over 20 years of experience caring for adults in the Orange County community. Affiliated with Mission Hospital, Fountain Valley Regional, and MemorialCare Orange Coast Medical Center.Click to read more
Next available: Tue, Aug 4

Dr. Azhar Muttalib, MD

Internist
4.17
·81 reviews
Still early to give a grate review I have a follow up in 11/19 about test & plan to go forward with my weight loss ! But as of right now he seem very well informed about about what I’m looking for . - Nov 6, 2025 by Valarie D.Click to read more
61.5 mi · 23639 Hawthorne Blvd, Ste 102, Torrance, CA 90505
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · 25+ years of experience · Expertise in high cholesterol + 9 more ·
Read bio
Dr. Azhar Muttalib is a licensed internist providing state-of-the-art treatment to Torrance-area patients. After earning his Bachelor of Medicine, Bachelor of Surgery from Kakatiya Medical College in India, he completed his internship at Detroit Memorial Hospital and his residency in internal medici...Click to read more
Next available: Mon, Aug 17

Dr. Henry Cheng, MD

Family Physician
4.64
·119 reviews
Dr. Cheng is intelligent, knowledgeable, personable and professional. Hes attentive and genuine. My family and extended family chose him as their primary physician and are very pleased. - Dec 10, 2016 by Deanna M.Click to read more
62 mi · 500 S Anaheim Hills Rd, Ste 246, Anaheim, CA 92807
Accepts Aetna, BlueCross BlueShield, Cigna + 2 more
Accepting new patients · Excellent wait time · Expertise in chronic diabetes + 4 more ·
Read bio
Dr. Henry Cheng is a board-certified family medicine physician. He received his medical degree from the American University of the Caribbean School of Medicine and completed his family medicine residency at Mercy Medical Center in Redding, California. Outside of his practice, Dr. Cheng enjoys mount...Click to read more
Next available: Fri, Aug 14

Dr. Rehan Muttalib, MD

Family Physician
4.85
·295 reviews
Lovely and helpful experience. The staff was very friendly and compassionate. - Oct 3, 2023 by Melissa M.Click to read more
61.5 mi · 23639 Hawthorne Blvd, Ste 102, Torrance, CA 90505
Accepts Aetna, BlueCross BlueShield, Medicare + 16 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper respiratory infection (uri) + 5 more ·
Read bio
Dr. Rehan Muttalib is a primary care physician specializing in preventative care, geriatrics, and the management of chronic conditions. He has a passion for anti-aging medicine and approaches both his patients' health and his own with a holistic perspective. Raised in the South Bay, Dr. Muttalib is ...Click to read more
Next available: Mon, Aug 31

Dr. Essam Quraishi, MD

Gastroenterologist
4.72
·76 reviews
Took a bit of time to be seen, but doctor was friendly and knowledgeable, and staff seemed competent and helpful.Click to read more
69 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
*Please verify your insurance coverage prior to scheduling an appointment. Patients with HMO plans must obtain prior authorization before being seen at our practice. Dr. Essam Quraishi is the founder and President of Gastrointestinal and Liver Consultants, Inc. Dr. Quraishi graduated from medical s...Click to read more
Next available: Mon, Aug 24

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
63.5 mi · 5455 Garden Grove Blvd, Ste 230, Westminster, CA 92683
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients ·
Read bio
Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Thu, Aug 13

Regina Robertson, NP

Family Nurse Practitioner
4.21
·29 reviews
Provider listened and provided good feedback and information pertaining to my issues. A clear plan was communicated to address my health problems. Regina was caring and empathetic. - Mar 31, 2026 by Marcia S.Click to read more
66 mi · 4646 Brockton Ave, Ste 201, Riverside, CA 92506
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients ·
Read bio
Regina Robertson, MSN, APRN, FNP-BC, is a compassionate and experienced Nurse Practitioner with more than 30 years in nursing and advanced clinical care. She is dedicated to providing thoughtful, patient-centered primary care that focuses on both physical and emotional well-being. Regina holds a Mas...Click to read more
Next available: Mon, Aug 3

Dr. Javed Sadiq, MD

Gastroenterologist
4.88
·196 reviews
Best out of 3 gi doctors I have seen so far explains thing better and provides more info - Jul 5, 2024 by Jason P.Click to read more
69 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 3 more ·
Read bio
*Please verify your insurance coverage prior to scheduling an appointment. Patients with HMO plans must obtain prior authorization before being seen at our practice.Click to read more
Next available: Mon, Aug 31

Dr. Gale Lawrence, MD

Family Physician
3.00
·2 reviews
I did not see the doctor I booked the appointment with. I waited for nearly 30 minutes before the doctor saw me and then the doctor was in a rush to leave. - Mar 18, 2026Click to read more
65.5 mi · 1600 Pacific Coast Hwy, Seal Beach, CA 90740
Accepts Aetna, Cigna, Medicare + 4 more
Accepting new patients · Excellent wait time ·
Read bio
Dr. Gale Lawrence completed her medical training at Long Beach Memorial Medical Center and has been practicing full service primary care, dermatology, and aesthetic medicine in the local community for over 30 years. A pioneer of modern aesthetic medicine, Dr. Lawrence prides herself on individualize...Click to read more
Next available: Tue, Aug 4

Sarah Dobson, APRN, RN, NP

Nurse Practitioner
65.5 mi · 117 Pirie Rd, #D, Ojai, CA 93023
Accepts BlueCross BlueShield, Cigna, Medicare + 18 more
Accepting new patients ·
Read bio
Ms. Sarah Dobson is an experienced nurse practitioner. She provides in-person services at Ojai Valley Medical Group in Ojai, CA. As part of her formal education, Ms. Dobson obtained a doctoral degree in nursing from the University of Cincinnati College of Medicine. She strives to stay up-to-date wi...Click to read more
Next available: Tue, Aug 4

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·6 reviews
63.5 mi · 5455 Garden Grove Blvd, Ste 230, Westminster, CA 92683
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Tue, Aug 18

Dr. James Pearson, MD

Family Physician
4.66
·108 reviews
I thinks this visit was very informative and helpful. I appreciate the help. And the kind staff. by VZClick to read more
65.5 mi · 1600 Pacific Coast Hwy, Seal Beach, CA 90740
Accepts Aetna, Cigna, Medicare + 4 more
Also offers video visits · Accepting new patients ·
Read bio
Dr. James Pearson completed his medical residency training at the University of Southern California's CVVP Health system and completed a subsequent fellowship at the University of California Irvine. He has continued his professional training at the American Board of Aesthetic Medicine and practices...Click to read more
Next available: Thu, Aug 6

Dawn Vollmann, PA

Physician Assistant
67.5 mi · 4911 Warner Ave, Ste 205, Huntington Beach, CA 92649
Accepts BlueCross BlueShield, Cigna, Medicare + 2 more
Accepting new patients · Expertise in pain in joint + 2 more ·
Read bio
Dawn Vollman, PA-C, is a dedicated Physician Assistant providing comprehensive family medicine services for patients of all ages. She is passionate about helping patients achieve their health goals through preventive care, chronic disease management, and timely treatment of acute illnesses. Dawn ha...Click to read more
Next available: Mon, Aug 3

Daniel Chiu, NP

Nurse Practitioner (Gastroenterology)
5.00
·30 reviews
65 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended ·
Read bio
**ALL HMO PATIENTS, MEDICARE PATIENTS AND EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR APPOINTMENTS** Daniel Chiu is a Board Certified Nurse Practitioner who graduated from Azusa Pacific University with his Master of Science in Nursing with an emphasis in adult gerontology. He was honored w...Click to read more
Next available: Wed, Aug 19

Carol Jung, PA-C

Physician Assistant
5.00
·20 reviews
Carol is an excellent provider and makes sure that my immediate needs were taken care of. I was able to provide a full run down of my situation, ask all of my questions, and Carol made sure my concerns were addressed. I just felt reassured that I was actually heard and I was getting the care that I ...Click to read more
67 mi · 218 W 4th St, Santa Ana, CA 92701
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
I'm a Physician Assistant with a passion for developing relationships as well as meeting patients where they are — whether that means navigating a new diagnosis, managing a chronic condition, or simply being a provider who truly listens. With a background in adult primary care and a specialty in PM&...Click to read more
Next available: Mon, Aug 3

Dr. Essam Quraishi, MD

Gastroenterologist
4.72
·76 reviews
Took a bit of time to be seen, but doctor was friendly and knowledgeable, and staff seemed competent and helpful.Click to read more
70.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
*Please verify your insurance coverage prior to scheduling an appointment. Patients with HMO plans must obtain prior authorization before being seen at our practice. Dr. Essam Quraishi is the founder and President of Gastrointestinal and Liver Consultants, Inc. Dr. Quraishi graduated from medical s...Click to read more
Next available: Wed, Sep 9

Louise Jones, FNP, APRN

Family Nurse Practitioner
4.79
·19 reviews
She was incredible! Great hospitality, felt super comfortable. Kind soul. by BAClick to read more
67 mi · 218 W 4th St, Santa Ana, CA 92701
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Louise Jones, DNP, FNP-BC, is a board-certified Family Nurse Practitioner dedicated to providing compassionate, evidence-based care for patients of all ages. She believes in building lasting relationships with her patients by listening carefully, educating them about their health, and working togeth...Click to read more
Next available: Thu, Aug 6

Stephen Leon, FNP

Family Nurse Practitioner
5.00
·23 reviews
Such an axing visit with this provider! Very considerate and kind. by KLClick to read more
67 mi · 218 W 4th St, Santa Ana, CA 92701
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
I was raised in the Redlands/Mentone area of the empire from which I graduated from CSU San Bernardino with my Bachelors in Psychology. I’ve been moved to Sacramento to attend Samuel Merritt University for both RN and NP programs. My first two years I worked solely within FQHC population and have sp...Click to read more
Next available: Mon, Aug 10

Sheyanne Espiritu, APRN, NP

Family Nurse Practitioner
4.68
·79 reviews
She was very kind and explained everything to me! I would definitely recommend her and see her again! - May 14, 2026Click to read more
67 mi · 218 W 4th St, Santa Ana, CA 92701
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
I’ve been caring for patients for over seven years, first as a registered nurse and now as a nurse practitioner since 2023. My experience spans both hospital and outpatient settings, with the last four years focused on primary care for patients of all ages, along with urgent care in both virtual and...Click to read more
Next available: Tue, Aug 11

Aida Leshen, APRN, RN

Family Nurse Practitioner
68.5 mi · 4000 Stockdale Hwy, Ste D, Bakersfield, CA 93309
Accepting new patients ·
Read bio
My journey to becoming a Family Nurse Practitioner was inspired by my father’s experience with chronic illness; I was drawn to the NP role's ability to provide in-depth, continuous care and to serve as a trusted primary care provider. My philosophy centers on empowering patients through education an...Click to read more
Next available: Mon, Aug 3

Dr. Amartej Deol, MD

Internist
68.5 mi · 4000 Stockdale Hwy, Ste D, Bakersfield, CA 93309
Accepting new patients ·
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Dr. Amartej Deol is an experienced internist. He sees patients at Anti-Aging & Wellness Center in Bakersfield, CA. As part of his formal education and training, Dr. Deol acquired a bachelor's degree from the American International College of Arts and Sciences, Antigua, and a medical degree from Aur...Click to read more
Next available: Thu, Aug 6

Dr. Hardeep Singh, MD

Gastroenterologist
5.00
·31 reviews
74.5 mi · 361 Hospital Rd, Ste 227, Newport Beach, CA 92663
Accepts Aetna, BlueCross BlueShield, Cigna + 6 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause + 8 more ·
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Dr. Hardeep M. Singh grew up in Orange County and obtained his undergraduate and medical degrees from USC. While completing his internship and residency at Cedars Sinai Medical Center, Dr. Singh received the Leo Rigler Award for his academic achievement. While completing his fellowship in Gastroente...Click to read more
Next available: Thu, Aug 27

Sarah Levitt, PA-C

Physician Assistant (Gastroenterology)
5.00
·6 reviews
69 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended ·
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Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Wed, Aug 12

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
69 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients ·
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Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Thu, Aug 27

Dr. Abdul Khan, MD

Internist
4.53
·19 reviews
I felt comfortable and all my questions were answered. by SSClick to read more
73 mi · 275 Victoria St, Ste 1E, Costa Mesa, CA 92627
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · 25+ years of experience · Excellent wait timeExpertise in bronchitis + 9 more
Next available: Tue, Aug 4

Kayla Mathiowetz, PA-C

Physician Assistant (Gastroenterology)
70.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients ·
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Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Fri, Aug 14

Jaquolin Eskandr, FNP

Family Nurse Practitioner (Virtual)
4.85
·253 reviews
I highly recommend the team. Professional, thoughtful, and kind. - Jun 27, 2024 by Gilbert S.Click to read more
Newport Beach, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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JAQUOLIN ESKANDR, NP NURSE PRACTITIONER Jaquolin Eskandr is a licensed and registered family nurse practitioner. She completed her Master's degree in Family Practice Nursing from California State University, Long Beach, CA. She has been in the nursing field since 2008 and is also wound care...Click to read more
Next available: Mon, Aug 3

Bryan Sauter, PA-C

Physician Assistant (Gastroenterology) (Virtual)
4.92
·49 reviews
My appointment was very efficient and met my needs. The front desk was very accommodating; the PA listened to my concerns and created a care plan I felt comfortable with. I am looking forward to my continued care through this team. - Aug 5, 2025 by Jennifer A.Click to read more
Murrieta, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Bryan joined United Medical Doctors in June of 2008 as a Physician Assistant and also serves as Medical Director of Advance Practice Providers and Director of Medical Informatics. He graduated from the University of Pittsburgh and received his Physician Assistant degree from Albany Medical College ...Click to read more
Next available: Thu, Aug 6

Bryan Sauter, PA-C

Physician Assistant (Gastroenterology) (Virtual)
4.92
·49 reviews
My appointment was very efficient and met my needs. The front desk was very accommodating; the PA listened to my concerns and created a care plan I felt comfortable with. I am looking forward to my continued care through this team. - Aug 5, 2025 by Jennifer A.Click to read more
Murrieta, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Bryan joined United Medical Doctors in June of 2008 as a Physician Assistant and also serves as Medical Director of Advance Practice Providers and Director of Medical Informatics. He graduated from the University of Pittsburgh and received his Physician Assistant degree from Albany Medical College ...Click to read more
Next available: Wed, Aug 5

Dr. Ghassan Bachir, MD

Primary Care Doctor (Virtual)
3.72
·18 reviews
I really liked that they were equipped to handle certain specialty needs in house so I didn’t need to wait for a referral somewhere else to clear - Oct 16, 2025 by Alexander B.Click to read more
Fresno, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · 25+ years of experience · Offers video visits ·
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Dr. Ghassan Bachir is a highly skilled thoracic surgeon in Fresno, CA. He offers in-person and virtual consultations at California Surgical and Medical Clinics Inc. As part of his educational training, Dr. Bachir acquired his medical degree from the Peoples' Friendship University of Russia and comp...Click to read more

Dr. Mohammad Sheikh, MD

Internist (Virtual)
5.00
·15 reviews
I would highly recommend this doctor! He was very respectful and good natured. He listened to my concerns very patiently and advised me according. by SKClick to read more
Fresno, CA
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Cost for self-pay: $80 I'm Dr. Mohammad Sheikh, an experienced internal medicine physician dedicated to providing personalized, high-quality care to my patients. I earned my Doctor of Medicine and Bachelor's degrees from California Northstate University. At Phase Care, my focus is on a patient-cent...Click to read more
Next available: Tue, Aug 4

Dr. Neesheet Parikh, DO

Family Physician (Virtual)
4.69
·2287 reviews
Friendly and patient yet very succulent and efficient. - Mar 31, 2020Click to read more
Sunnyvale, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 3 more
Accepting new patients · 19 years of experience · Offers video visits ·
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Dr. Parikh is a Primary Care and Sports Medicine physician at ParikhHealth who truly has a passion for medicine. He enjoys spending time with his patients, getting to know their entire family, and serving the community. He is currently the Chief Medical Officer and Head Team Physician for USA Crick...Click to read more
Next available: Tue, Aug 4

Anna Mekhed

Family Nurse Practitioner (Virtual)
4.89
·87 reviews
Great provider and listened well. She was very accurate and asked appropriate questions . - Nov 17, 2025 by Athena M.Click to read more
Markleeville, CA
Accepts Aetna, Medicare, UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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This provider currently accepts United Healthcare, Aetna, self pay (payable prior to the visit) and Medicare Part B Fee For Service Original Medicare insurance without secondary insurance, such as Medi-Cal or Medigap. Please reach out to confirm insurance and verify co-payment, deductible, or co-ins...Click to read more
Next available: today

Jeremy Montemayor, NP

Nurse Practitioner (Virtual)
5.00
·9 reviews
Super on top of it and very thorough! Spent much more time with me than many of my previous derms!Click to read more
Markleeville, CA
Accepts Aetna, BlueCross BlueShield + 3 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Jeremy Montemayor is a board-certified Nurse Practitioner with over 20 years of clinical experience at UCSF and Stanford — now serving California patients evenings and weekends through Weekend NP. About Jeremy Montemayor, NP — Weekend NP, California With more than 20 years of clinical experience sp...Click to read more
Next available: today

Dr. Carol Webb, MD

Internist (Virtual)
3.40
·5 reviews
Markleeville, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 4 more
Accepting new patients · 16 years of experience · Offers video visits · Excellent wait timeExpertise in chronic high blood pressure + 3 more
Next available: today
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Frequently asked questions

How can I make a same-day appointment with a Gastroenterologist in Lancaster?

On average, patients who use Zocdoc can search for a Gastroenterologist in Lancaster, book an appointment, and see the Gastroenterologist within 24 hours. Same-day appointments are often available, you can search for real-time availability of Gastroenterologists in Lancaster who accept your insurance and make an appointment online.

How can I find a Lancaster Gastroenterologist who takes my insurance?

Zocdoc lets you search specifically for a Lancaster Gastroenterologist who takes your insurance. Just choose your carrier and plan from the drop-down menu at the top of the page. If you’re not sure which plan you have, you can use Zocdoc’s insurance checker to find out.

How can I book an appointment online with a Gastroenterologist in Lancaster?

Zocdoc is a free online service that helps patients find Gastroenterologists in Lancaster and book appointments instantly. You can search for Lancaster Gastroenterologists by symptom or visit reason. Then, choose your insurance plan. Based on that information, you’ll see a list of providers who meet your search criteria, along with their available appointment slots.

How can I find a female Gastroenterologist in Lancaster?

When you search for Lancaster Gastroenterologists on Zocdoc, you can filter your results by gender, in addition to other criteria. That way, you’ll only see Gastroenterologists in Lancaster who match your preferences.

How can I find a Lancaster Gastroenterologist who sees patients after hours?

On Zocdoc, you can search specifically for Lancaster Gastroenterologists with availability after 5 p.m.

How can I find a top-rated Gastroenterologist in Lancaster?

You can use Zocdoc to find Gastroenterologists in Lancaster who are highly rated by other patients. These ratings are based on verified reviews submitted by real patients. Every time a patient completes an appointment booked on Zocdoc, they’re invited to review their experience. Each review must comply with Zocdoc’s guidelines.

How can I find a video visit with a Gastroenterologist online in Lancaster?

Gastroenterologists in Lancaster on Zocdoc who see patients through online video visits will have a purple video icon on their profiles. You can also filter your search results to show only Gastroenterologists who offer video visits.

Are video visits with a Gastroenterologist online covered by my insurance?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Gastroenterologists in Lancaster who accept your insurance for video visits by selecting your carrier and plan from the drop-down menu at the top of the page. We recommend you check with your insurance carrier directly to confirm your coverage and out of pocket costs for video visits.

How can I find a Gastroenterologist in Lancaster who sees patients in the morning or evening?

Zocdoc lets you search specifically for a Gastroenterologist who has appointments available before 10:00 am, or after 5:00 pm. Just choose the special hours filter at the top of our search page.

How can I find a Gastroenterologist in Lancaster who sees patients during the weekend?

Zocdoc let's you see real-time availability for Gastroenterologists in Lancaster. Many Gastroenterologists offer appointments on Saturdays and Sundays.

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