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19 verified Gastroenterologists in St. Charles, MO
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 06/15/2026
Availability last updated 06/15/2026

Ashley Anderson, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·33 reviews
Dr. Anderson was very polite, knowledgeable and such a big help. I appreciated her for explaining things and answering all of my questions. I’ve searched for help with my condition and I have a feeling she will help me. - Mar 25, 2026 by Kiara D.Click to read more
Newtonia, MO
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
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: Wed, Jun 17

Alexandra Hudak, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
Newtonia, MO
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
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: Wed, Jun 17

Shauna Sanderson, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.98
·43 reviews
It was just my first appointment but i feel very confident that this provider will do her best to help me. - Jun 2, 2026 by Rhonda .Click to read more
Newtonia, MO
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Shauna Sanderson 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. Shauna Sanderson is a nurse pract...Click to read more
Next available: Wed, Jun 17

Terica Meeks, NP

Gerontology Nurse Practitioner
5.00
·6 reviews
22.5 mi · 2420 State St East, St. Louis, IL 62205
Accepting new patients · Highly recommended ·
Read bio
Terica Meeks is an Adult-Gerontology Nurse Practitioner at our State Street primary care doctor's office. Terica is excited to get to know you and provide the personalized care you deserve. Our primary care providers and supporting care team develop preventive care plans to help you achieve your phy...Click to read more

Kamal Akhtar, NP

Family Nurse Practitioner
29 mi · 231 N Main St, 2nd Fl, Ste 17, Edwardsville, IL 62025
Also offers video visits · Accepting new patients ·
Read bio
Kamal is a board certified family nurse practitioner. Prior to this, Kamal did MS in Biochemistry and PhD in Human Genetics from India. In addition, he did over 5 years of Postdoctoral Research Fellowship at Washington University School of Medicine, St. Louis, MO in the field of lung and heart disea...Click to read more

Dr. Monika Bhalla, MD

Internist (Virtual)
Newtonia, MO
Accepting new patients · Offers video visits · Expertise in chronic diabetes + 2 more

Dr. Glenn Skow, MD, FAAFP, MPH

Family Physician (Virtual)
5.00
·1 review
Great experience and great doctor. - Jun 30, 2023 by Trong N.Click to read more
Newtonia, MO
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time

Rebecca Humphries, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.94
·35 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
Newtonia, MO
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
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

Faviola Marin, NP

Gerontology Nurse Practitioner
5.00
·2 reviews
Faviola and the staff were very friendly and helpful. I felt very at ease while I was with them. - May 18, 2026 by Eleanor R.Click to read more
10 mi · 16216 Baxter Rd, Suite 100, Chesterfield, MO 63017
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Accepting new patients · Highly recommended · Excellent wait time
Next available: today

Dr. David Bereda, DO

Family Physician
12.5 mi · 1034 S Brentwood Blvd, Ste 530, Richmond Heights, MO 63117
Also offers video visits · Accepting new patients · Expertise in chronic high blood pressure + 6 more ·
Read bio
Originally from Ohio, Dr. Bereda received his undergraduate degree from the University of Dayton in Dayton, OH. He attended medical school at Lake Erie College of Osteopathic Medicine in Erie, PA. He then trained at St Louis University for his family medicine residency. After residency, he served on...Click to read more

Dr. Robert Hausam, MD

Family Physician (Virtual)
Columbia, MO
Accepting new patients · 25+ years of experience · Offers video visits ·
Read bio
Dr. Robert Hausam is an American Board of Family Medicine-certified family physician. He practices at eFamilyHealthcare and offers virtual consultations. Dr. Hausam emphasizes preventive health, treats acute illnesses, and manages chronic conditions. He builds long-term patient relationships and ed...Click to read more
Next available: today

Dr. David Bereda, DO

Family Physician (Virtual)
Richmond Heights, MO
Accepting new patients · Offers video visits · Expertise in chronic high blood pressure + 6 more ·
Read bio
Originally from Ohio, Dr. Bereda received his undergraduate degree from the University of Dayton in Dayton, OH. He attended medical school at Lake Erie College of Osteopathic Medicine in Erie, PA. He then trained at St Louis University for his family medicine residency. After residency, he served on...Click to read more

Dr. Christopher Green, MD

Internist
5.00
·13 reviews
Very professional and answered all my questions efficently. by MSClick to read more
20 mi · 4414 W Center Dr, Alton, IL 62002
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in high cholesterol + 9 more ·
Read bio
Dr. Christopher Green, MD is a board-certified Internal Medicine Physician with his practice located in the Associated Physicians Group Alton location. Dr. Green graduated with honors from the University of Illinois Medical School in Chicago in 1979. He did his medical internship and residency at ...Click to read more

Danielle Rennie, APRN, RN, MSN

Adult Nurse Practitioner
5.00
·10 reviews
Very nice and personable, listen and offered advice. Would recomend. by JGClick to read more
20 mi · 4414 W Center Dr, Alton, IL 62002
Accepting new patients · Highly recommended · Excellent wait time · Expertise in pain in joint + 3 more ·
Read bio
Ms. Danielle Rennie is a dedicated and compassionate adult nurse practitioner at Associated Physicians Group, serving the residents of Alton, IL. She earned her master's degree in adult-gerontology nursing from Barnes-Jewish College, equipping her to manage a wide range of conditions. Deeply passion...Click to read more

Nicole Brunaugh, RN, APRN

Nurse Practitioner
4.71
·14 reviews
Very professional & acknowable (oops) easy to talk to. and I was very comfortable w Nikki. by MBClick to read more
20 mi · 4414 W Center Dr, Alton, IL 62002
Accepts Aetna, BlueCross BlueShield, Cigna + 17 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in fibromyalgia and chronic pain and fatigue + 3 more ·
Read bio
As a nurse practitioner specializing in Internal Medicine, Ms. Nicole Brunaugh diagnoses and treats chronic pain conditions affecting the back, shoulders, neck, hip, leg, foot, and other body parts. Ms. Brunaugh currently practices at the Associated Physicians Group in Alton, IL. She thoroughly exp...Click to read more

Dr. David Bereda, DO

Family Physician (Virtual)
Newtonia, MO
Accepting new patients · Offers video visits · Expertise in chronic high blood pressure + 6 more ·
Read bio
Originally from Ohio, Dr. Bereda received his undergraduate degree from the University of Dayton in Dayton, OH. He attended medical school at Lake Erie College of Osteopathic Medicine in Erie, PA. He then trained at St Louis University for his family medicine residency. After residency, he served on...Click to read more

Connie McClain, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·30 reviews
Newtonia, MO
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits · Highly recommended · Expertise in gastroenteritis ·
Read bio
Connie McClain 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. Connie McClain is a family nurse pr...Click to read more

Oshi Health Missouri

Gastroenterology Practice (Virtual)
Newtonia, MO
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · Offers video visits ·

Aimee Gish, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·30 reviews
Newtonia, MO
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · 15 years of experience · Offers video visits · Highly recommended ·
Read bio
Aimee Gish is a dedicated acute care nurse practitioner who prides herself on delivering comprehensive gastrointestinal (GI) care in her role at Oshi Health. She is thrilled to be part of a multidisciplinary team of GI-focused professionals, including registered dietitians and gut-brain specialists....Click to read more
Other providers
Availability last updated 06/15/2026
Availability last updated 06/15/2026

Richard Geisman, MD

Gastroenterologist
6250.5 mi · 1301 Boones Lick Rd, 100, Saint Charles, MO 63301
Accepts Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 7 more ·
Read bio
Richard Geisman, MD is a Gastroenterologist in Saint Charles, MO and Saint Peters, MO. They attended medical school at Tulane University School Of Medicine in 1983. They completed their residency at Barnes-Jewish Hosp-S Campus. Richard Geisman was board certified by American Board of Internal Medici...Click to read more

Patrick McDonough, MD

Gastroenterologist
6250.5 mi · 12277 De Paul Dr, 200, Bridgeton, MO 63044
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25 years of experience · Offers video visits · Expertise in irritable bowel syndrome (ibs) + 6 more ·
Read bio
Patrick McDonough, MD is a Gastroenterologist in Bridgeton, MO and Saint Louis, MO. They completed their residency at Washington U/B-Jh/Slch Conc. They attended medical school at University Of Mo in 2001. Patrick McDonough was board certified by American Board of Gastroenterology Certification in Ga...Click to read more

Nicole Shen, MD

Gastroenterologist
6250.5 mi · 12266 De Paul Dr, 300, Bridgeton, MO 63044
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · Expertise in acid reflux + 3 more ·
Read bio
Nicole Shen, MD is a Gastroenterologist in Bridgeton, MO and Saint Louis, MO. Nicole Shen was board certified by American Board of Internal Medicine Certification in Internal Medicine. Their offices are located in 12277 De Paul Dr 500, Bridgeton, MO, 12266 De Paul Dr 300, Bridgeton, MO and 11133 Dun...Click to read more

David Landau, MD

Gastroenterologist
6250.5 mi · 100 Village Square Shop Ctr, Hazelwood, MO 63042
Accepting new patients · 25+ years of experience ·
Read bio
David Landau, MD is a Gastroenterologist in Hazelwood, MO. They attended medical school at Stanford University School Of Medicine in 1977. They completed their residency at Barnes-Jewish Hospital. David Landau was board certified by American Board of Internal Medicine Certification in Internal Medic...Click to read more

David Margolis, MD

Gastroenterologist
6250.5 mi · 100 Village Square Shop Ctr, Hazelwood, MO 63042
Accepting new patients · 25+ years of experience ·
Read bio
David Margolis, MD is a Gastroenterologist in Hazelwood, MO. They completed their residency at Metrohealth Medical Center in 1974. They attended medical school at University Of Manitoba in 1971. Their office is located in 100 Village Square Shop Ctr, Hazelwood, MO.Click to read more

Gary Koenig, MD

Gastroenterologist
6250.5 mi · 100 Village Square Shop Ctr, Hazelwood, MO 63042
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Expertise in upper gi endoscopy + 1 more ·
Read bio
Gary Koenig, MD is a Gastroenterologist in Hazelwood, MO. They attended medical school at St Louis University School Of Medicine in 1985. They completed their residency at St Mary'S Hlth Center. Gary Koenig was board certified by American Board of Internal Medicine Certification in Internal Medicine...Click to read more

Leonard Weinstock, MD

Gastroenterologist
6250.5 mi · 11525 Olde Cabin Rd, 101, Saint Louis, MO 63141
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 2 more ·
Read bio
Leonard Weinstock, MD is a Gastroenterologist in Saint Louis, MO. They attended medical school at University Of Rochester School Of Medical & Dentistry in 1981. They completed their residency at Rochester Gen Hospital. Leonard Weinstock was board certified by American Board of Internal Medicine Cert...Click to read more

Steven Fern, DO

Gastroenterologist
6250.5 mi · 11525 Olde Cabin Rd, 101, Saint Louis, MO 63141
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 4 more ·
Read bio
Steven Fern, DO is a Gastroenterologist in Saint Louis, MO and Sullivan, MO. They attended medical school at University Of New England in 1989. Their offices are located in PO Box 16959, Saint Louis, MO, 965 Mattox Dr, Sullivan, MO and 11525 Olde Cabin Rd 101, Saint Louis, MO.Click to read more

Erik Thyssen, MD

Gastroenterologist
6250.5 mi · 11525 Olde Cabin Rd, 101, Saint Louis, MO 63141
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Expertise in acute gastrointestinal bleeding + 5 more ·
Read bio
Erik Thyssen, MD is a Gastroenterologist in Saint Louis, MO. They attended medical school at Kobenhavns University in 1984. They completed their residency at Barnes-Jewish Hosp-S Campus. Their offices are located in 3015 N Ballas Rd, Saint Louis, MO, PO Box 16959, Saint Louis, MO and 11525 Olde Cabi...Click to read more

Janet Todorczuk, MD

Gastroenterologist
6250.5 mi · 11525 Olde Cabin Rd, 101, Saint Louis, MO 63141
Accepting new patients · 25+ years of experience ·
Read bio
Janet Todorczuk, MD is a Gastroenterologist in Saint Louis, MO. They completed their residency at University Of Md Medical Sys. They attended medical school at Hahnemann University School Of Medicine in 1981. Janet Todorczuk was board certified by American Board of Internal Medicine Certification in...Click to read more

Paul Buse, MD

Gastroenterologist
6250.5 mi · 226 S Woods Mill Rd, 52W, Chesterfield, MO 63017
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in chronic inflammatory bowel disease (ibd) + 5 more ·
Read bio
Paul Buse, MD is a Gastroenterologist in Saint Louis, MO. They completed their residency at Barnes-Jewish Hosp-S Campus. They attended medical school at Washington University School Of Medicine in 1986. Paul Buse was board certified by American Board of Internal Medicine Certification in Internal Me...Click to read more

David Cort, MD

Gastroenterologist
6250.5 mi · 226 S Woods Mill Rd, 52W, Chesterfield, MO 63017
Accepts Cigna
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in acid reflux + 5 more ·
Read bio
David Cort, MD is a Gastroenterologist in Saint Louis, MO, Chesterfield, MO and Lake St Louis, MO. They attended medical school at University Of Miami School Of Medicine in 1980. They completed their residency at Barnes-Jewish Hosp-S Campus. David Cort was board certified by American Board of Intern...Click to read more

David Walden, MD

Gastroenterologist
6250.5 mi · 226 S Woods Mill Rd, 52W, Chesterfield, MO 63017
Accepts Cigna, UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits ·
Read bio
David Walden, MD is a Gastroenterologist in Chesterfield, MO. They completed their residency at University Tx Medical Branch Hosps. They attended medical school at University Of Texas Medical Branch Galveston in 1987. Their office is located in 226 S Woods Mill Rd 52W, Chesterfield, MO.Click to read more

Bruce Witte, MD

Gastroenterologist
6250.5 mi · 226 S Woods Mill Rd, 52W, Chesterfield, MO 63017
Accepts Cigna
Accepting new patients · 25+ years of experience ·
Read bio
Bruce Witte, MD is a Gastroenterologist in Chesterfield, MO and Saint Louis, MO. They completed their residency at Barnes-Jewish Hosp-S Campus. They attended medical school at University Of Mo-Kansas City School Of Medicine in 1989. Bruce Witte was board certified by American Board of Gastroenterolo...Click to read more

Michael Cleary, MD

Gastroenterologist
6250.5 mi · 226 S Woods Mill Rd, 52W, Chesterfield, MO 63017
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in acid reflux + 4 more ·
Read bio
Michael Cleary, MD is a Gastroenterologist in Saint Louis, MO and Chesterfield, MO. They completed their residency at University Of Mi Hosps. They attended medical school at Loyola University Of Chicago Stritch School Of Medicine in 1999. Michael Cleary was board certified by American Board of Gastr...Click to read more

George Pelican, MD

Gastroenterologist
6250.5 mi · 2428 Woodson Rd, Overland, MO 63114
Accepting new patients · 25+ years of experience ·
Read bio
George Pelican, MD is a Gastroenterologist in Overland, MO. They attended medical school at University Athens in 1969. They completed their residency at University Mo-Columbia School Medicine. Their office is located in 2428 Woodson Rd, Overland, MO.Click to read more
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Frequently asked questions

How can I make a same-day appointment with a Gastroenterologist in St. Charles?

On average, patients who use Zocdoc can search for a Gastroenterologist in St. Charles, 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 St. Charles who accept your insurance and make an appointment online.

How can I find a St. Charles Gastroenterologist who takes my insurance?

Zocdoc lets you search specifically for a St. Charles 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 St. Charles?

Zocdoc is a free online service that helps patients find Gastroenterologists in St. Charles and book appointments instantly. You can search for St. Charles 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 St. Charles?

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

How can I find a St. Charles Gastroenterologist who sees patients after hours?

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

How can I find a top-rated Gastroenterologist in St. Charles?

You can use Zocdoc to find Gastroenterologists in St. Charles 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 St. Charles?

Gastroenterologists in St. Charles 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 St. Charles 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 St. Charles 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 St. Charles who sees patients during the weekend?

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

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