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Find an in-network doctor from over 1,000 insurance plans

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315 verified UnitedHealthcare Gastroenterologists in Santa Monica, CA
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
In-network providersInsurance logo
Availability last updated 07/16/2026
Availability last updated 07/16/2026

Jaquolin Eskandr, FNP

Family Nurse Practitioner
4.87
·252 reviews
Very kind and took her time with me! Felt well taken care of. - Oct 1, 2023 by Sarah W.Click to read more
45.5 mi · 400 Newport Center Dr, Ste 301, Newport Beach, CA 92660
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
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: Tue, Jul 28

Dr. Andrew Dam, DO

Gastroenterologist
54 mi · 9481 Pittsburgh Ave, Ste 200, Rancho Cucamonga, CA 91730
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Dr. Dam is a gastroenterologist from Los Angeles, California, who completed his medical education at Touro University California. He went on to serve as Chief Resident during his Internal Medicine residency and completed his Gastroenterology fellowship at Larkin Community Hospital in Miami. Dr. Dam...Click to read more
Next available: Wed, Aug 5

Sarah Dobson, APRN, RN, NP

Nurse Practitioner
53 mi · 117 Pirie Rd, #D, Ojai, CA 93023
In-network · UnitedHealthcare
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: Mon, Jul 20

Regina Robertson, NP

Family Nurse Practitioner
4.32
·22 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
63.5 mi · 4646 Brockton Ave, Ste 201, Riverside, CA 92506
In-network · UnitedHealthcare
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: tomorrow

Dr. Oscar Gantes, MD

Family Physician
4.97
·35 reviews
Solid! Great doc - Aug 21, 2025 by Sonny S.Click to read more
63.5 mi · 395 W Avenida Vista Hermosa, Unit K, San Clemente, CA 92672
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 3 more ·
Read bio
Dr. Oscar Gantes is a family physician at Mission Heritage - Internal Medicine in San Clemente, CA. He accepts patients of all ages and genders with common illnesses, chronic diseases, minor injuries, and mental health issues. Dr. Gantes understands patients' conditions and prepares individualized ...Click to read more
Next available: Tue, Jul 28

Dr. Neesheet Parikh, DO

Family Physician (Virtual)
4.69
·2279 reviews
this was an online visit and it was fast and efficient by Luz E.Click to read more
Sunnyvale, CA
In-network · UnitedHealthcare
Accepting new patients · 19 years of experience · Offers video visits ·
Read bio
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, Jul 21

Dr. Yu-Xuan Dang, MD

Internist (Virtual)
4.83
·221 reviews
He was great! Listened well and was able to quickly help me with all that I needed. - Sep 16, 2024 by Elizabeth H.Click to read more
Mountain View, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic high blood pressure + 6 more ·
Read bio
Dr. John (Yu-Xuan) Dang is a native of the Bay Area, having lived in the South Bay for the last 30 years. He has been practicing medicine in the Sunnyvale/Mountain View area since 2018. Dr. Dang earned his Bachelor's degree from the University of California, Berkeley, and received his Doctor of Medi...Click to read more
Next available: Thu, Aug 27

Lora Campos, NP

Family Nurse Practitioner (Virtual)
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Next available: Thu, Jul 23

Bhavana Akotia, PA-C

Physician Assistant (Gastroenterology) (Virtual)
4.93
·29 reviews
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Bhavana Akotia is a seasoned physician assistant with over two decades of experience in gastroenterology. Since working with Oshi Health as an independent contractor, she’s seen how effective a collaborative team approach can be in treating gastrointestinal (GI) conditions. Previously, Bhavana prac...Click to read more
Next available: Sun, Jul 19

Alexandra Hudak, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
Alexandra Hudak is a board-certified nurse practitioner who cares deeply about helping patients navigate digestive health concerns. At Oshi, she treats each patient as a whole person—not just a diagnosis. Her goal is to build strong, trusting partnerships with patients, where education and preventio...Click to read more
Next available: Mon, Jul 20

Chimdi Mfebe, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.87
·31 reviews
Never got a phone call!!!!! - Feb 2, 2026 by Amy R.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Expertise in acute stomach inflammation/infection + 1 more ·
Read bio
Chimdi Mfebe sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Chimdi Mfebe is a nurse practitioner ...Click to read more
Next available: Mon, Jul 20

Ji Soo (Claire) Choi, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·39 reviews
The best experience I’ve ever had with a doctor and very knowledgeable on the issues (symptoms, causes, treatments, etc) as well. Definitely recommend for any GI issues - Feb 2, 2026 by Jeff N.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Ji Soo (Claire) sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Ji Soo (Claire) Choi is an experie...Click to read more
Next available: Mon, Jul 20

Theresa Obonyano, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·33 reviews
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Theresa Obonyano sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Theresa Obonyano is a family nurs...Click to read more
Next available: Mon, Jul 20

Jan Seiler, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·33 reviews
Jan was very kind, understanding, and listened to my concerns. It was great to actually felt heard by a doctor instead of just dismissed. - Apr 7, 2026 by Avery B.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Expertise in acute stomach inflammation/infection + 1 more ·
Read bio
Jan Seiler has worked as a gastroenterology nurse practitioner for over two decades. At Oshi Health, she takes a whole-person approach to gastrointestinal (GI) care, making sure to take the time to listen to patient needs and concerns. Before working at Oshi, she worked in a large brick-and-mortar...Click to read more
Next available: Tue, Jul 21

Dr. Shannon Pereira, APRN, RN, DNP, MSN

Adult Psychiatric & Mental Health Nurse Practitioner (Virtual)
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Shannon Pereira DNP, MSN, APRN, PMHNP-BC, FNP-BC Dual Board-Certified Nurse Practitioner | Hormone Optimization & Weight Management Specialist Shannon is a dual board-certified nurse practitioner licensed in California and Florida, with over 12 years of clinical experience spanning psychiatric ment...Click to read more
Next available: Tue, Jul 21

Christie Morrison, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.94
·32 reviews
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Christie Morrison is a nurse practitioner who brings over a decade of gastroenterology-specific experience to Oshi Health. At Oshi, she cares for GI patients virtually and manages a team of GI providers. She also works part-time at the Texas Digestive Disease Center in San Antonio, treating patients...Click to read more
Next available: Tue, Jul 21

Rebecca Humphries, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.94
·36 reviews
I like that she took the time to evaluate me. I felt comfortable and I liked that she listened to my concerns. - Feb 12, 2026 by Norma B.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · 18 years of experience · Offers video visits · Highly recommended ·
Read bio
Rebecca Humphries is a compassionate and experienced nurse practitioner with over 15 years of focused work in gastroenterology. Her deep understanding of gastrointestinal (GI) health, paired with her warm, whole-person approach to care, helps patients feel seen, heard, and supported. She was even re...Click to read more
Next available: Tue, Jul 21

Ashley Anderson, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·34 reviews
She listened to my concerns and asked great questions about my medical history. Very professional and knowledgeable, was able to provide me with a simple and effective appointment! - Jul 14, 2026 by Kayla C.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Ashley Anderson, a board-certified family nurse practitioner, brings over 20 years of experience to Oshi Health. She aims to provide compassionate care that improves symptoms and elevates patient quality of life. Before joining Oshi, Ashley spent 17 years in a private outpatient gastroenterology a...Click to read more
Next available: Tue, Jul 21

Robbie Leinart, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·33 reviews
Very informative, Great energy, and efficient service, - Apr 7, 2026 by Latisha D.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic indigestion without clear cause ·
Read bio
Robbie Leinart sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Robbie Leinart is an Adult Health N...Click to read more
Next available: Wed, Jul 22

Anna Mekhed

Family Nurse Practitioner (Virtual)
4.88
·84 reviews
Anna is kind and caring. A good listener & informative. - Oct 12, 2025 by Brenda L.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
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: Sat, Jul 25

Anna Mekhed

Family Nurse Practitioner (Virtual)
4.88
·84 reviews
Anna is kind and caring. A good listener & informative. - Oct 12, 2025 by Brenda L.Click to read more
Markleeville, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
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: Sat, Jul 25

Dr. Sumeet Wadhwani, MD

Primary Care Doctor
4.97
·29 reviews
Dr. Wadhwani listened to me while I voiced my concerns and responded with respect, care, and knowledge. by Alexis G.Click to read more
7 mi · 8641 Wilshire Blvd, Ste 100, Beverly Hills, CA 90211
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
If for any reason you need to cancel your appointment after you Booked through ZocDoc, please call us so we can reschedule as we will accommodate you as best as possible. It is best to call us to find out so we can accommodate you if you end up canceling your appointment because of scheduling conf...Click to read more

Dr. Jack O'Brien, DO

Family Physician
4.88
·224 reviews
Very smooth and easy process, doctor is very nice as well. - Feb 20, 2026Click to read more
8 mi · 6221 Wilshire Blvd, #216, Los Angeles, CA 90048
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in problems with testicular function + 4 more ·
Read bio
Dr. Jack O'Brien is a distinguished family physician from Los Angeles, CA. He practices at Haven Health Los Angeles and also offers virtual consultations. Dr. O'Brien obtained his medical degree from New York Institute of Technology, Long Island Campus. He works with patients of all ages, addressin...Click to read more

Dr. Jack O'Brien, DO

Family Physician (Virtual)
4.88
·224 reviews
Very smooth and easy process, doctor is very nice as well. - Feb 20, 2026Click to read more
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in problems with testicular function + 4 more ·
Read bio
Dr. Jack O'Brien is a distinguished family physician from Los Angeles, CA. He practices at Haven Health Los Angeles and also offers virtual consultations. Dr. O'Brien obtained his medical degree from New York Institute of Technology, Long Island Campus. He works with patients of all ages, addressin...Click to read more

Dr. Ramachandran Srinivasan, MD, FACR

Rheumatologist
3.94
·54 reviews
The staff and Dr. Luisana were very nice, intelligent and provide fast and efficient service. - May 23, 2017 by Mario C.Click to read more
12.5 mi · 1300 N Vermont Ave, Suite 606, Los Angeles, CA 90027
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in fibromyalgia and chronic pain and fatigue + 7 more ·
Read bio
Dr. Ramachandran Srinivasan, MD, FACR, completed his Medical Diploma/M.B.B.S. (Bachelor of Medicine, Bachelor of Surgery) at Andhra Medical College, India. He completed his internship at Lakewood Hospital, Ohio. He then finished his Internal Medicine Residency at Veterans Affairs Los Angeles Healthc...Click to read more

Dr. Ramachandran Srinivasan, MD, FACR

Rheumatologist
3.94
·54 reviews
The staff and Dr. Luisana were very nice, intelligent and provide fast and efficient service. - May 23, 2017 by Mario C.Click to read more
16.5 mi · 7301 State St, Huntington Park, CA 90255
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in fibromyalgia and chronic pain and fatigue + 7 more ·
Read bio
Dr. Ramachandran Srinivasan, MD, FACR, completed his Medical Diploma/M.B.B.S. (Bachelor of Medicine, Bachelor of Surgery) at Andhra Medical College, India. He completed his internship at Lakewood Hospital, Ohio. He then finished his Internal Medicine Residency at Veterans Affairs Los Angeles Healthc...Click to read more

Dr. Ramachandran Srinivasan, MD, FACR

Rheumatologist
3.94
·54 reviews
The staff and Dr. Luisana were very nice, intelligent and provide fast and efficient service. - May 23, 2017 by Mario C.Click to read more
16.5 mi · 2928 East Cesar E Chavez Avenue, Los Angeles, CA 90033
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in fibromyalgia and chronic pain and fatigue + 7 more ·
Read bio
Dr. Ramachandran Srinivasan, MD, FACR, completed his Medical Diploma/M.B.B.S. (Bachelor of Medicine, Bachelor of Surgery) at Andhra Medical College, India. He completed his internship at Lakewood Hospital, Ohio. He then finished his Internal Medicine Residency at Veterans Affairs Los Angeles Healthc...Click to read more

Dr. Ramachandran Srinivasan, MD, FACR

Rheumatologist
3.94
·54 reviews
The staff and Dr. Luisana were very nice, intelligent and provide fast and efficient service. - May 23, 2017 by Mario C.Click to read more
19.5 mi · 5831 Firestone Blvd, Ste E, South Gate, CA 90280
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in fibromyalgia and chronic pain and fatigue + 7 more ·
Read bio
Dr. Ramachandran Srinivasan, MD, FACR, completed his Medical Diploma/M.B.B.S. (Bachelor of Medicine, Bachelor of Surgery) at Andhra Medical College, India. He completed his internship at Lakewood Hospital, Ohio. He then finished his Internal Medicine Residency at Veterans Affairs Los Angeles Healthc...Click to read more

Dr. Ramachandran Srinivasan, MD, FACR

Rheumatologist
3.94
·54 reviews
The staff and Dr. Luisana were very nice, intelligent and provide fast and efficient service. - May 23, 2017 by Mario C.Click to read more
20.5 mi · 941 S Atlantic Blvd, #101-102, Monterey Park, CA 91754
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in fibromyalgia and chronic pain and fatigue + 7 more ·
Read bio
Dr. Ramachandran Srinivasan, MD, FACR, completed his Medical Diploma/M.B.B.S. (Bachelor of Medicine, Bachelor of Surgery) at Andhra Medical College, India. He completed his internship at Lakewood Hospital, Ohio. He then finished his Internal Medicine Residency at Veterans Affairs Los Angeles Healthc...Click to read more

Dr. Javed Sadiq, MD

Gastroenterologist
4.88
·196 reviews
Amazing Dr. I am super happy with his care and will return to see him for future services. Highly recommend! - Dec 15, 2025 by Shaleah R.Click to read more
31 mi · 5455 Garden Grove Blvd Suite 230, Westminster, CA 92683
In-network · UnitedHealthcare
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

Dr. Ramachandran Srinivasan, MD, FACR

Rheumatologist
3.94
·54 reviews
The staff and Dr. Luisana were very nice, intelligent and provide fast and efficient service. - May 23, 2017 by Mario C.Click to read more
25 mi · 2595 E Washington Blvd, Ste 106, Pasadena, CA 91107
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in fibromyalgia and chronic pain and fatigue + 7 more ·
Read bio
Dr. Ramachandran Srinivasan, MD, FACR, completed his Medical Diploma/M.B.B.S. (Bachelor of Medicine, Bachelor of Surgery) at Andhra Medical College, India. He completed his internship at Lakewood Hospital, Ohio. He then finished his Internal Medicine Residency at Veterans Affairs Los Angeles Healthc...Click to read more

Dr. Essam Quraishi, MD

Gastroenterologist
4.72
·76 reviews
Friendliness and professionalism of staff, bed-side of Dr. Q was excellent, communication was clear. - Jan 10, 2024 by Doug P.Click to read more
34 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
In-network · UnitedHealthcare
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. Christina Steinhauser, DO

Gastroenterologist
4.97
·94 reviews
Went to Dr. Steinhauser for a IBS consultation. I avoid going to doctors because of past bad experiences but this was nothing like that, she made me feel totally safe and heard. She is a great listener and seems extremely educated and passionate about her field! Highly recommend her if you are looki...Click to read more
36.5 mi · 18682 Beach Blvd., Ste. 150, Huntington Beach, CA 92648
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
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. Seyedehsan Navabi, MD

Gastroenterologist
4.93
·151 reviews
They were able to schedule a coloscopy for this year. Timing could not of been more perfect! - Dec 4, 2025 by paul L.Click to read more
36.5 mi · 18682 Beach Blvd., Ste. 150, Huntington Beach, CA 92648
In-network · UnitedHealthcare
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

Dr. Christina Steinhauser, DO

Gastroenterologist (Virtual)
4.97
·94 reviews
Went to Dr. Steinhauser for a IBS consultation. I avoid going to doctors because of past bad experiences but this was nothing like that, she made me feel totally safe and heard. She is a great listener and seems extremely educated and passionate about her field! Highly recommend her if you are looki...Click to read more
Huntington Beach, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
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

Fasiha Memon, PA-C

Physician Assistant (Gastroenterology)
31 mi · 5455 Garden Grove Blvd Suite 230, Westminster, CA 92683
In-network · UnitedHealthcare
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)
31 mi · 5455 Garden Grove Blvd Suite 230, Westminster, CA 92683
In-network · UnitedHealthcare
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
·94 reviews
Went to Dr. Steinhauser for a IBS consultation. I avoid going to doctors because of past bad experiences but this was nothing like that, she made me feel totally safe and heard. She is a great listener and seems extremely educated and passionate about her field! Highly recommend her if you are looki...Click to read more
Yorba Linda, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
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. Christina Steinhauser, DO

Gastroenterologist
4.97
·94 reviews
Went to Dr. Steinhauser for a IBS consultation. I avoid going to doctors because of past bad experiences but this was nothing like that, she made me feel totally safe and heard. She is a great listener and seems extremely educated and passionate about her field! Highly recommend her if you are looki...Click to read more
38.5 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
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. Mariam Moosa Ali, DO

Family Physician
4.83
·36 reviews
The specialties listed are not accurate. It was a waste of time, and she told me to find someone more local. - Dec 9, 2025Click to read more
34 mi · 955 W Imperial Hwy, Ste 110, Brea, CA 92821
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Ali is board certified in Family Medicine and completed her residency training at Emanate Health in West Covina, California. She values establishing long-lasting relationships with her patients and creating a positive environment to help patients improve and manage their health. Dr. Ali treats a...Click to read more

Dr. Mariam Moosa Ali, DO

Family Physician (Virtual)
4.83
·36 reviews
The specialties listed are not accurate. It was a waste of time, and she told me to find someone more local. - Dec 9, 2025Click to read more
Brea, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Ali is board certified in Family Medicine and completed her residency training at Emanate Health in West Covina, California. She values establishing long-lasting relationships with her patients and creating a positive environment to help patients improve and manage their health. Dr. Ali treats a...Click to read more

Fasiha Memon, PA-C

Physician Assistant (Gastroenterology)
34 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
In-network · UnitedHealthcare
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)
34 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
In-network · UnitedHealthcare
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

Dr. Essam Quraishi, MD

Gastroenterologist (Virtual)
4.72
·76 reviews
Friendliness and professionalism of staff, bed-side of Dr. Q was excellent, communication was clear. - Jan 10, 2024 by Doug P.Click to read more
Santa Ana, CA
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in irritable bowel syndrome (ibs) + 4 more ·
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*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 (Virtual)
4.88
·196 reviews
Amazing Dr. I am super happy with his care and will return to see him for future services. Highly recommend! - Dec 15, 2025 by Shaleah R.Click to read more
Santa Ana, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 3 more ·
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*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. Javed Sadiq, MD

Gastroenterologist
4.88
·196 reviews
Amazing Dr. I am super happy with his care and will return to see him for future services. Highly recommend! - Dec 15, 2025 by Shaleah R.Click to read more
41 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 3 more ·
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*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. Viet Mai, MD

Primary Care Doctor
34 mi · 500 W Badillo St, Covina, CA 91722
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience ·

Dr. Alexander Tran, DO

Internist (Virtual)
5.00
·10 reviews
Dr. Tran addressed all of my concerns. I felt reassured and comfortable at the and of our visit. by KBClick to read more
Fullerton, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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Dr. Alexander Tran is an internist at Pyo Clinic in Upland, CA. He also offers virtual consultations. He welcomes adult patients with common illnesses, chronic diseases, and minor injuries that affect their quality of life. Dr. Tran understands patients' conditions and prepares individualized treat...Click to read more

Dr. Alexander Tran, DO

Internist
5.00
·10 reviews
Dr. Tran addressed all of my concerns. I felt reassured and comfortable at the and of our visit. by KBClick to read more
35.5 mi · 2000 E Chapman Ave, Ste 100, Fullerton, CA 92831
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Tran is an internist at Pyo Clinic in Upland, CA. He also offers virtual consultations. He welcomes adult patients with common illnesses, chronic diseases, and minor injuries that affect their quality of life. Dr. Tran understands patients' conditions and prepares individualized treat...Click to read more

Dr. Alexander Tran, DO

Internist (Virtual)
5.00
·10 reviews
Dr. Tran addressed all of my concerns. I felt reassured and comfortable at the and of our visit. by KBClick to read more
Fullerton, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Tran is an internist at Pyo Clinic in Upland, CA. He also offers virtual consultations. He welcomes adult patients with common illnesses, chronic diseases, and minor injuries that affect their quality of life. Dr. Tran understands patients' conditions and prepares individualized treat...Click to read more

Dr. Alexander Tran, DO

Internist
5.00
·10 reviews
Dr. Tran addressed all of my concerns. I felt reassured and comfortable at the and of our visit. by KBClick to read more
35.5 mi · 2000 E Chapman Ave, Ste 100, Fullerton, CA 92831
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Tran is an internist at Pyo Clinic in Upland, CA. He also offers virtual consultations. He welcomes adult patients with common illnesses, chronic diseases, and minor injuries that affect their quality of life. Dr. Tran understands patients' conditions and prepares individualized treat...Click to read more

Dr. Essam Quraishi, MD

Gastroenterologist
4.72
·76 reviews
Friendliness and professionalism of staff, bed-side of Dr. Q was excellent, communication was clear. - Jan 10, 2024 by Doug P.Click to read more
43 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
In-network · UnitedHealthcare
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
·196 reviews
Amazing Dr. I am super happy with his care and will return to see him for future services. Highly recommend! - Dec 15, 2025 by Shaleah R.Click to read more
43 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
In-network · UnitedHealthcare
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

Terri Rembuskos, PA-C

Physician Assistant (Gastroenterology)
5.00
·30 reviews
39.5 mi · 1010 W. La Veta Ave., Ste 570, Orange, CA 92868
In-network · UnitedHealthcare
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

Li Miao Wang, PA-C

Physician Assistant
4.94
·31 reviews
Dr. Li is professional and a good listener. He give me some good advice and I will follow it up. Better than my expectations! - Jan 30, 2026 by Xusong F.Click to read more
40.5 mi · 218 W 4th St, Santa Ana, CA 92701
In-network · UnitedHealthcare
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
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Frequently asked questions

How can I make a same-day appointment with a Gastroenterologist in Santa Monica who takes UnitedHealthcare insurance?

On average, patients who use Zocdoc can search for a Gastroenterologist in Santa Monica who takes UnitedHealthcare insurance, 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 Santa Monica who accept UnitedHealthcare insurance and make an appointment online.

How can I find a Gastroenterologist in Santa Monica who takes UnitedHealthcare?

Zocdoc lets you search specifically for a Gastroenterologist in Santa Monica who takes UnitedHealthcare. 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 UnitedHealthcare Gastroenterologist in Santa Monica?

Zocdoc is a free online service that helps patients find UnitedHealthcare Gastroenterologists in Santa Monica and book appointments instantly. You can search for UnitedHealthcare Gastroenterologists in Santa Monica by symptom or visit reason. 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 Santa Monica who takes UnitedHealthcare insurance?

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

How can I find a UnitedHealthcare Gastroenterologist in Santa Monica who sees patients after hours?

On Zocdoc, you can search specifically for UnitedHealthcare Gastroenterologists in Santa Monica with availability after 5 p.m.

How can I find a top-rated UnitedHealthcare Gastroenterologist in Santa Monica?

You can use Zocdoc to find UnitedHealthcare Gastroenterologists in Santa Monica 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 Santa Monica?

Gastroenterologists in Santa Monica 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 UnitedHealthcare?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Gastroenterologists in Santa Monica who accept UnitedHealthcare 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 UnitedHealthcare Gastroenterologist in Santa Monica 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 UnitedHealthcare Gastroenterologist in Santa Monica who sees patients during the weekend?

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

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