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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 06/01/2026
Availability last updated 06/01/2026

Sayyedah Zahed, PA-C

Physician Assistant
5.00
·6 reviews
I've been dealing with a long-term medical issue, and the team at Med Life Urgent Care has been nothing short of exceptional. From day one, they've been incredibly attentive, organized, and genuinely invested in my care. They stay on top of my appointments, follow-ups, and treatments, making sure no...Click to read more
54.5 mi · 11689 The Plz, Norwalk, CA 90650
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Sayyedah Zahed is a highly skilled physician assistant based in Norwalk, CA. She practices at Medlife Urgent Care and also offers virtual care.� During consultations, Ms. Zahed listens to her patients' concerns, thoroughly explains their conditions, and helps them select an appropriate treatmen...Click to read more

Dr. Wayne Fleischman, MD

Gastroenterologist (Virtual)
4.73
·15 reviews
Friendly and efficient staff. Dr. was warm and welcoming. Made me feel at ease. - Mar 30, 2026 by Stephanie J.Click to read more
Los Alamitos, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr Fleischman is a native of Maryland where he attended University of Maryland School of Medicine. He completed his Internal Medicine internship and residency at Emory University. During residency he developed a strong interest in Gastroenterology and Liver disease and subsequently completed his fel...Click to read more

Dr. Wayne Fleischman, MD

Gastroenterologist
4.73
·15 reviews
Friendly and efficient staff. Dr. was warm and welcoming. Made me feel at ease. - Mar 30, 2026 by Stephanie J.Click to read more
61.5 mi · 3851 Katella Ave, Ste 205, Los Alamitos, CA 90720
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr Fleischman is a native of Maryland where he attended University of Maryland School of Medicine. He completed his Internal Medicine internship and residency at Emory University. During residency he developed a strong interest in Gastroenterology and Liver disease and subsequently completed his fel...Click to read more

Dr. James Lee, MD

Gastroenterologist
4.94
·16 reviews
61.5 mi · 4772 Katella Ave, #200, Los Alamitos, CA 90720
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients · Highly recommended ·
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

Dr. Haig Najarian, MD

Gastroenterologist
5.00
·30 reviews
61.5 mi · 4772 Katella Ave, #200, Los Alamitos, CA 90720
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients · 25+ years of experience · Highly recommended · 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

Dr. Ousama Alkhatib, MD

Gastroenterologist
4.70
·30 reviews
61.5 mi · 4772 Katella Ave, #200, Los Alamitos, CA 90720
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients · Highly recommended · Expertise in colonoscopy ·
Read bio
**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP 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, Syria, completed his inter...Click to read more

Dr. James Lee, MD

Gastroenterologist
4.94
·16 reviews
65 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients · Highly recommended ·
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

Dr. Hardeep Singh, MD

Gastroenterologist
5.00
·30 reviews
65 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients · Highly recommended · Expertise in chronic indigestion without clear cause + 8 more ·
Read bio
**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP APPOINTMENTS** 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 Rig...Click to read more

Dr. Adnan Ameer, MD

Gastroenterologist
65.5 mi · 4244 Rvwk Pkwy, Ste 290, Riverside, CA 92505
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients · Expertise in upper gi endoscopy + 4 more ·
Read bio
Dr. Adnan Ameer is an experienced gastroenterologist providing in-person services at United Medical Doctors. He sees patients in Riverside and Moreno Valley, CA. As part of his formal education and training, Dr. Ameer completed a medical degree at the Ross University School of Medicine in Dominica,...Click to read more

Lisa Vo, PA-C

Physician Assistant (Gastroenterology)
59.5 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Accepting new patients ·
Read bio
Lisa Vo, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants, serving patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Born and raised in Orange County, Lisa earned her Bachelor of Science in Biology from the University of California, Irvine. S...Click to read more

Fasiha Memon, PA-C

Physician Assistant (Gastroenterology)
59.5 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Accepting new patients ·
Read bio
Fasiha Memon, PA, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. Fasiha Memon is a dedicated healthcare professional. After earning a Bachelor of Science in Biological Sci...Click to read more

Dr. Adnan Ameer, MD

Gastroenterologist
67 mi · 6958 Brockton Ave, Ste 203, Riverside, CA 92506
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients · Expertise in upper gi endoscopy + 4 more ·
Read bio
Dr. Adnan Ameer is an experienced gastroenterologist providing in-person services at United Medical Doctors. He sees patients in Riverside and Moreno Valley, CA. As part of his formal education and training, Dr. Ameer completed a medical degree at the Ross University School of Medicine in Dominica,...Click to read more

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 + 12 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

Dr. Javed Sadiq, MD

Gastroenterologist (Virtual)
4.88
·195 reviews
Truly the nicest Doctor I’ve ever met. Warm, engaging to the point! No the is top rated! - May 20, 2026 by Steven B.Click to read more
Santa Ana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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

Dr. Essam Quraishi, MD

Gastroenterologist
4.72
·76 reviews
Yes I will go back. Dr.Q. Was very nice & comfortable to talk to . - Jun 18, 2025 by Anna D.Click to read more
69 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
Accepts Aetna, BlueCross BlueShield, Cigna + 24 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

Dr. Javed Sadiq, MD

Gastroenterologist
4.88
·195 reviews
Truly the nicest Doctor I’ve ever met. Warm, engaging to the point! No the is top rated! - May 20, 2026 by Steven B.Click to read more
69 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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

Dr. Essam Quraishi, MD

Gastroenterologist (Virtual)
4.72
·76 reviews
Yes I will go back. Dr.Q. Was very nice & comfortable to talk to . - Jun 18, 2025 by Anna D.Click to read more
Santa Ana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Accepting new patients · 25+ years of experience · Offers video visits · 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

Dr. Wayne Fleischman, MD

Gastroenterologist (Virtual)
4.73
·15 reviews
Friendly and efficient staff. Dr. was warm and welcoming. Made me feel at ease. - Mar 30, 2026 by Stephanie J.Click to read more
Huntington Beach, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr Fleischman is a native of Maryland where he attended University of Maryland School of Medicine. He completed his Internal Medicine internship and residency at Emory University. During residency he developed a strong interest in Gastroenterology and Liver disease and subsequently completed his fel...Click to read more

Dr. Seyedehsan Navabi, MD

Gastroenterologist
4.93
·150 reviews
The doctor was very informative, yet listened to my concerns which made me feel comfortable. - Jun 3, 2025 by Brenda B.Click to read more
69.5 mi · 18682 Beach Blvd., Ste. 150, Huntington Beach, CA 92648
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · Highly recommended · Excellent wait time ·
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

Lisa Vo, PA-C

Physician Assistant (Gastroenterology)
63.5 mi · 5455 Garden Grove Blvd Suite 230, Westminster, CA 92683
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Accepting new patients ·
Read bio
Lisa Vo, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants, serving patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Born and raised in Orange County, Lisa earned her Bachelor of Science in Biology from the University of California, Irvine. S...Click to read more

Fasiha Memon, PA-C

Physician Assistant (Gastroenterology)
63.5 mi · 5455 Garden Grove Blvd Suite 230, Westminster, CA 92683
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Accepting new patients ·
Read bio
Fasiha Memon, PA, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. Fasiha Memon is a dedicated healthcare professional. After earning a Bachelor of Science in Biological Sci...Click to read more

Dr. Essam Quraishi, MD

Gastroenterologist
4.72
·76 reviews
Yes I will go back. Dr.Q. Was very nice & comfortable to talk to . - Jun 18, 2025 by Anna D.Click to read more
70.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 24 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

Dr. Javed Sadiq, MD

Gastroenterologist
4.88
·195 reviews
Truly the nicest Doctor I’ve ever met. Warm, engaging to the point! No the is top rated! - May 20, 2026 by Steven B.Click to read more
70.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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

Terri Rembuskos, PA-C

Physician Assistant (Gastroenterology)
5.00
·30 reviews
65 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
Accepts Aetna, BlueCross BlueShield, Cigna + 12 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

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 + 12 more
Accepting new patients · Highly recommended ·
Read bio
**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP 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 with an Outstanding Graduat...Click to read more

Dr. James Pearson, MD

Family Physician (Virtual)
4.65
·105 reviews
Very understanding and respectfull excellent care. by NKClick to read more
Seal Beach, CA
Accepts Aetna, Cigna, Medicare + 4 more
Accepting new patients · Offers video visits ·
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

Dr. Hemalatha Murugan, MD

Family Physician
66 mi · 4013 Brockton Ave, Riverside, CA 92501
Accepts Aetna, BlueCross BlueShield, Cigna + 25 more
Also offers video visitsAccepting new patientsExpertise in sepsis + 1 more

Dr. Hemalatha Murugan, MD

Family Physician (Virtual)
Riverside, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 25 more
Accepting new patients · Offers video visits · Expertise in sepsis + 1 more

Dr. Maria Garcia De Benitez, MD

Family Physician
4.27
·11 reviews
Parking is behind the complex, so plan on parking and walking a little bit around. The 1st appointment requires a ton of paperwork to be completed - 2 packets worth! It took me 35 minutes just to get through it all. Therefore, you must plan to be there like at least 45 minutes early. The staff is ni...Click to read more
66 mi · 4013 Brockton Ave, Riverside, CA 92501
Accepts Aetna, BlueCross BlueShield, Cigna + 25 more
Accepting new patients · 25+ years of experience · Expertise in chronic high blood pressure + 3 more ·
Read bio
Dr. Maria S. Garcia is a highly experienced and board-certified family physician with 25 years of medical practice. Originally from Mexico City, she earned her medical degree there before completing her Family Medicine residency in Texas. Throughout her career, Dr. Garcia has been deeply committed t...Click to read more

Dr. Adnan Ameer, MD

Gastroenterologist
73 mi · 12980 Frederick St, Ste J, Moreno Valley, CA 92553
Accepts Aetna, BlueCross BlueShield, Cigna + 9 more
Accepting new patients · Expertise in upper gi endoscopy + 4 more ·
Read bio
Dr. Adnan Ameer is an experienced gastroenterologist providing in-person services at United Medical Doctors. He sees patients in Riverside and Moreno Valley, CA. As part of his formal education and training, Dr. Ameer completed a medical degree at the Ross University School of Medicine in Dominica,...Click to read more

Li Miao Wang, PA-C

Physician Assistant
4.94
·31 reviews
The doctor was very helpful and clear with the as to what information he has required for the next visit. - Jan 16, 2026 by Leo A.Click to read more
67 mi · 218 W 4th St, U, Santa Ana, CA 92701
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
My name is Li Miao Wang, but I usually go by Li. I was born in Graz, Austria, and moved to the US in 2011 when I was a sophomore in high school. I attended the University of California, Santa Barbara and got a bachelors in Biopsychology. I received my Master's degree in Physician Assistant Studies a...Click to read more

Li Miao Wang, PA-C

Physician Assistant (Virtual)
4.94
·31 reviews
The doctor was very helpful and clear with the as to what information he has required for the next visit. - Jan 16, 2026 by Leo A.Click to read more
Santa Ana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
My name is Li Miao Wang, but I usually go by Li. I was born in Graz, Austria, and moved to the US in 2011 when I was a sophomore in high school. I attended the University of California, Santa Barbara and got a bachelors in Biopsychology. I received my Master's degree in Physician Assistant Studies a...Click to read more

Kristin Wong, PA

Physician Assistant (Virtual)
4.75
·16 reviews
Kristin was awesome. Very knowledgeable but also approachable, which made it easy to ask questions and talk openly about my concerns. by JLClick to read more
Santa Ana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
Kristin Wong, PA-C is a board-certified Physician Assistant with a background in outpatient primary care. She is dedicated to providing patient-centered, evidence-based care with a strong emphasis on preventive medicine and health education. Kristin has experience managing a wide range of acute and ...Click to read more

Dr. Mike Yang, DO

Family Physician (Virtual)
4.39
·131 reviews
Was asked my preferred pronouns and these were ignored by the provider. Kind of bummed about that, but otherwise received care as expected - Feb 15, 2024 by Hannah Lin K.Click to read more
Santa Ana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits · Excellent wait time · Expertise in upper respiratory infection (uri) + 1 more ·
Read bio
I am passionate about transforming lives through preventive care, helping individuals achieve a healthier and more fulfilling life. My dedication to bridging healthcare disparities and expanding access to care drives me to embrace new medical advancements that reach underserved populations. As a pr...Click to read more

Sheyanne Espiritu, APRN, NP

Family Nurse Practitioner (Virtual)
4.69
·65 reviews
Sheyanne is the best! by JSClick to read more
Santa Ana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits · 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

Michelle Layug, APRN, RN

Family Nurse Practitioner
67 mi · 218 W 4th St, U, Santa Ana, CA 92701
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Also offers video visits · Accepting new patients ·
Read bio
Michelle Layug, MSN, FNP-C is a board-certified Family Nurse Practitioner with over 15 years of clinical experience specializing in diabetes management and chronic disease care. She earned her Bachelor of Science in Nursing from Mount St. Mary’s University in Los Angeles and her Master of Science in...Click to read more

Daniel Nunez, PA

Physician Assistant (Virtual)
4.76
·42 reviews
The provider was great, as he listened to my concerns and was humorous during the tele health visit - Feb 10, 2026 by Raquel B.Click to read more
Santa Ana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in upper respiratory infection (uri) + 5 more ·
Read bio
Daniel Nunez PA-C graduated from Charles R Drew University in 2006. Since that time he has worked as a Physician Assistant in Family Practice, Emergency Medicine and Urgent Care. With nearly 20 years of medical experience in the field, he brings a deep commitment to patient centered care. Outside of...Click to read more

Michelle Layug, APRN, RN

Family Nurse Practitioner (Virtual)
Santa Ana, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits ·
Read bio
Michelle Layug, MSN, FNP-C is a board-certified Family Nurse Practitioner with over 15 years of clinical experience specializing in diabetes management and chronic disease care. She earned her Bachelor of Science in Nursing from Mount St. Mary’s University in Los Angeles and her Master of Science in...Click to read more

Kristin Wong, PA

Physician Assistant
4.75
·16 reviews
Kristin was awesome. Very knowledgeable but also approachable, which made it easy to ask questions and talk openly about my concerns. by JLClick to read more
67 mi · 218 W 4th St, U, Santa Ana, CA 92701
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Also offers video visits · Accepting new patients · Excellent wait time ·
Read bio
Kristin Wong, PA-C is a board-certified Physician Assistant with a background in outpatient primary care. She is dedicated to providing patient-centered, evidence-based care with a strong emphasis on preventive medicine and health education. Kristin has experience managing a wide range of acute and ...Click to read more

Dr. Anousheh Ashouri, MD

Primary Care Doctor
4.22
·161 reviews
The staff was great but I did see a different practitioner. - Mar 20, 2024 by Brooke T.Click to read more
67 mi · 6926 Brockton Ave, Ste 8, Riverside, CA 92506
Accepts Aetna, BlueCross BlueShield, Cigna + 68 more
Accepting new patients · 19 years of experience · Expertise in chronic high blood pressure + 8 more ·
Read bio
Dr. Ashouri proudly serves the City of Riverside and surrounding communities with a focus on prevention, women’s health, older adult health, and palliative care. She gives each patient the care and attention they need to find the right treatment for their unique condition. Dr. Ashouri devotes her ti...Click to read more

Dr. Hardeep Singh, MD

Gastroenterologist
5.00
·30 reviews
74.5 mi · 361 Hospital Rd, Ste 227, Newport Beach, CA 92663
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Accepting new patients · Highly recommended · Expertise in chronic indigestion without clear cause + 8 more ·
Read bio
**ALL EXISTING PATIENTS MUST CALL THE OFFICE TO BOOK THEIR FOLLOW-UP APPOINTMENTS** 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 Rig...Click to read more

Jeff Swanson, MSN

Family Nurse Practitioner
68 mi · 11306 Mountain View Ave, Ste C, Loma Linda, CA 92354
Accepts Aetna, BlueCross BlueShield, Cigna + 25 more
Also offers video visits · Accepting new patients ·
Read bio
Jeff Swanson is a compassionate Family Nurse Practitioner dedicated to providing high-quality, patient-centered care. He offers a broad range of services, from preventive care to managing chronic conditions, always focused on improving patients’ health and well-being. Jeff earned his Master’s in Nur...Click to read more

Jeff Swanson, MSN

Family Nurse Practitioner (Virtual)
Loma Linda, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 25 more
Accepting new patients · Offers video visits ·
Read bio
Jeff Swanson is a compassionate Family Nurse Practitioner dedicated to providing high-quality, patient-centered care. He offers a broad range of services, from preventive care to managing chronic conditions, always focused on improving patients’ health and well-being. Jeff earned his Master’s in Nur...Click to read more

Jeff Swanson, MSN

Family Nurse Practitioner (Virtual)
Redlands, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 25 more
Accepting new patients · Offers video visits ·
Read bio
Jeff Swanson is a compassionate Family Nurse Practitioner dedicated to providing high-quality, patient-centered care. He offers a broad range of services, from preventive care to managing chronic conditions, always focused on improving patients’ health and well-being. Jeff earned his Master’s in Nur...Click to read more

Jeff Swanson, MSN

Family Nurse Practitioner
69 mi · 1815 w redlands blvd, Redlands, CA 92373
Accepts Aetna, BlueCross BlueShield, Cigna + 25 more
Also offers video visits · Accepting new patients ·
Read bio
Jeff Swanson is a compassionate Family Nurse Practitioner dedicated to providing high-quality, patient-centered care. He offers a broad range of services, from preventive care to managing chronic conditions, always focused on improving patients’ health and well-being. Jeff earned his Master’s in Nur...Click to read more

Fasiha Memon, PA-C

Physician Assistant (Gastroenterology)
69 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Accepting new patients ·
Read bio
Fasiha Memon, PA, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. Fasiha Memon is a dedicated healthcare professional. After earning a Bachelor of Science in Biological Sci...Click to read more

Lisa Vo, PA-C

Physician Assistant (Gastroenterology)
69 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Accepting new patients ·
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Lisa Vo, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants, serving patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Born and raised in Orange County, Lisa earned her Bachelor of Science in Biology from the University of California, Irvine. S...Click to read more

Fasiha Memon, PA-C

Physician Assistant (Gastroenterology)
70.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Accepting new patients ·
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Fasiha Memon, PA, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. Fasiha Memon is a dedicated healthcare professional. After earning a Bachelor of Science in Biological Sci...Click to read more

Lisa Vo, PA-C

Physician Assistant (Gastroenterology)
70.5 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Accepting new patients ·
Read bio
Lisa Vo, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants, serving patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Born and raised in Orange County, Lisa earned her Bachelor of Science in Biology from the University of California, Irvine. S...Click to read more

Dr. Christina Steinhauser, DO

Gastroenterologist (Virtual)
4.97
·92 reviews
She is so easy to talk to. Explained everything we needed to know. She answered all our questions. She’s an amazing Dr - Jun 3, 2025 by MARK K.Click to read more
Murrieta, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 15 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Dr. Christina Steinhauser is a former Chief of Medicine and Chief of Gastroenterology at Nellis Air Force Base, a current assistant professor at the Uniformed Services University of Health Sciences, and a former assistant professor at the University of Nevada, Las Vegas. She earned her Doctor of Ost...Click to read more

Dr. Nikita Gore, MD

Family Physician (Virtual)
5.00
·31 reviews
Dr. Gore was very nice and extremely knowledgeable. She made me feel better about my overall health outlook. - Dec 7, 2025 by Andrew W.Click to read more
Poway, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 11 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic anemia + 6 more ·
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As a board-certified family medicine physician, Dr. Nikita Gore is dedicated to building long-term, meaningful relationships with her patients and their families. She believes that great care begins with listening and strives to create a welcoming environment where people feel heard, respected, and ...Click to read more

Dr. Caldon Haj, MD

Internist (Virtual)
5.00
·13 reviews
Dr. Haj has been my primary care doctor for the past 3 years. He is straight to the point, he asks what's going on, how you're feeling, and what you need. Everyone likes a straightforward doc who can help. I always feel like he really pays attention, trying to figure out what was up with my general ...Click to read more
San Diego, CA
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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As an experienced physician, I believe in providing modern care the way it should be today. You easily book your appointment, confirm your insurance details, and proceed to get care from your doctor. You stay in control of your health and make the decisions that are right for you. I finished my int...Click to read more

Dr. Kaveh Bahmanpour, MD, FAAFP

Geriatrician (Virtual)
4.93
·285 reviews
Very knowledgable and helps me become more proactive with my health care needs - Dec 21, 2018 by James Z.Click to read more
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 54 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Associated with Kaiser Permanente San Diego Medical Center/Kaiser Foundation Hospital, Palomar Medical Center, and Sharp Memorial Hospital, Dr. Kaveh Bahmanpour is a considerate family physician, geriatrician, and primary care doctor practicing at his own clinic. Patients see him for a host of reaso...Click to read more

Dr. Daniel Rengstorff, MD

Gastroenterologist (Virtual)
4.78
·162 reviews
Dr. Rengstorff was very kind and explained my situation in detail patiently.Click to read more
Mountain View, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Peninsula Gastroenterology Medical Group's offices are located in Redwood City and Mountain View, California. Please ensure you are comfortable with required travel time to the office before scheduling your appointment. Dr. Rengstorff was born and raised in the Bay Area. He attended medical school...Click to read more

Dr. Cynthia Leung, MD

Gastroenterologist (Virtual)
4.75
·170 reviews
She listened to me! Otherwise what’s the point.... - Feb 6, 2021 by Carla B.Click to read more
Mountain View, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 33 more
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
Peninsula Gastroenterology Medical Group's offices are located in Redwood City and Mountain View, California. Please ensure you are comfortable with required travel time to the office before scheduling your appointment. Dr. Cynthia Leung was born and raised in the Bay Area. She completed both her ...Click to read more
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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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