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315 verified Gastroenterologists in Greenbelt, MD
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
All providers
Availability last updated 08/21/2026
Availability last updated 08/21/2026

Dr. Charles Obioha, MD

Gastroenterologist
4.32
·444 reviews
The wait was long but the dr and his staff were VERY nice and informative by Chanel W.Click to read more
5 mi · 12150 Annapolis Rd, Ste 300, Glenn Dale, MD 20769
Accepts Aetna, BlueCross BlueShield, Cigna + 173 more
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in gastroenteritis + 2 more ·
Read bio
When booking an appointment please make sure to indicate your insurance, provider, plan, and ID number available to enter. Thank you! Please note there are charges associated with cancellations made after 24 hours of initial booking. Please ensure that you are ready to be seen before confirmation of...Click to read more
Next available: today

Mariama Koroma, APRN, RN

Family Nurse Practitioner
4.41
·32 reviews
Great hospitality - Sep 11, 2024 by Bintou T.Click to read more
1 mi · 7319 Hanover Pkwy, Ste B, Greenbelt, MD 20770
Accepts BlueCross BlueShield, Cigna, Medicare + 9 more
Also offers video visits · Accepting new patients ·
Read bio
Mariama Koroma, Nurse Practitioner, has a wealth of experience in healthcare. She began her career as a Registered Nurse (RN), specializing in emergency care. Mariama earned her Bachelor's degree from the University of Maryland and completed her Master's in Nursing at Walden University. With her ext...Click to read more
Next available: today

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·428 reviews
I was able to schedule a same day appointment. The front desk service and the service from Dr.Lowe was great! - May 7, 2025 by Damarcus S.Click to read more
3.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Wed, Sep 2

Dr. Robert Byrne, MD

Gastroenterologist
4.64
·67 reviews
Great Doctor Who listens to his patients and explains things quite succinctly. - Oct 14, 2025 by Richard G.Click to read more
3.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients ·
Read bio
Dr. Robert Byrne is an experienced gastroenterologist who practices at the Gastro Center of MD. He offers services to people in Riverdale and Gaithersburg, MD. Dr. Byrne is committed to providing exceptional, patient-centered care for digestive and liver disorders. He listens to each patient and cr...Click to read more
Next available: Tue, Sep 1

Dr. Farzin Rashti, MD

Gastroenterologist
4.91
·540 reviews
This doctor really listened and was willing to get right to business and is very kind notto mention wonderful staff - Apr 26, 2022 by Crystal O.Click to read more
3.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · 18 years of experience · Highly recommended · Expertise in colonoscopy + 3 more ·
Read bio
Farzin Rashti, M.D., FACP is Board Certified in Gastroenterology & Hepatology and Internal Medicine and is dedicated to offering his patients superior personalized care in a respectful and supportive environment. Dr. Rashti works toward developing a partnership with his patients and forms a unique c...Click to read more
Next available: Wed, Sep 2

Dr. Jennie Zhang, DO

Gastroenterologist
4.67
·36 reviews
Great staff. The doctor was very communicative and listened to all my concerns. - Jan 27, 2026 by Carlos A.Click to read more
3.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients ·
Read bio
Dr. Jennie Zhang is a distinguished gastroenterologist. She practices at the Gastro Center of MD, serving patients in Silver Spring, Riverdale, and Olney, MD. Dr. Zhang completed her medical degree at the West Virginia School of Osteopathic Medicine and her residency in internal medicine at the Uni...Click to read more
Next available: Wed, Sep 2

Dr. Monica Passi, MD

Gastroenterologist
4.84
·102 reviews
Very friendly and inviting staff! I would highly recommend to those who get more nervous around doctor's visits because they make sure you're doing well. Also, Dr. Passi was very sweet and understanding. Really great communicator and helped me understand what treatments I may need. Overall, great ex...Click to read more
3.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Expertise in acute gastrointestinal bleeding + 5 more ·
Read bio
Dr. Monica Passi is a distinguished gastroenterologist. She practices at the Gastro Center of MD and sees patients in Riverdale and Annapolis, MD.  Dr. Passi completed her medical degree from George Washington University and her internship in internal medicine at North Shore University Hospital. Sh...Click to read more
Next available: Thu, Sep 3

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·96 reviews
Very intelligent doctor, but also took his time during the visit and put us at ease. by MPClick to read more
3.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Rushi Talati is an experienced gastroenterologist at Gastro Center of MD in Riverdale, Gaithersburg, and Olney, MD. He also offers services to people with digestive conditions that affect their quality of life. Dr. Talati understands patients' conditions and prepares individualized treatment pl...Click to read more
Next available: Fri, Sep 4

Dr. Raymond Richhart, MD

Gastroenterologist
3.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients
Next available: Wed, Sep 9

Dr. Thi Khuc, MD

Gastroenterologist
4.90
·230 reviews
The doctor was very informative and explained what I didn't know and pointed me in the right direction to get what I needed - Nov 6, 2025Click to read more
3.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Thi Khuc is a skilled gastroenterologist currently practicing at the Gastro Center of MD in Columbia and Annapolis (MD). She is also certified by the American Board of Internal Medicine. After earning her medical degree from the University of Virginia, Dr. Khuc completed her internal medicine ...Click to read more
Next available: Thu, Sep 10

Dr. Neha Rajpal, MD

Gastroenterologist
3.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients
Next available: Fri, Sep 11

Dr. Monica Patel, MD

Gastroenterologist
3.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients
Next available: Tue, Sep 15

Dr. Elizabeth Obi, DNP, CRNP

Family Nurse Practitioner
4.15
·885 reviews
Nurses were very kind and the nursing assistant rocked! Thank you - Aug 18, 2022Click to read more
5.5 mi · 10230 New Hampshire Ave, Ste 340, Silver Spring, MD 20903
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Also offers video visits · Accepting new patients ·
Read bio
Dr. Elizabeth Obi, DNP, has acquired more than 20 years of professional experience. She earned her Doctor of Nursing Practice from Chamberlain University and completed her Family Nursing education at Mountain State University. At Washington Medical Clinic LLC, we care for children, adults, and the e...Click to read more
Next available: today

Dr. Mirabel Alumba, NP, CRNP, DNP

Family Nurse Practitioner
4.09
·56 reviews
The staff are very friendly. If you are on medications and need a refill and a check up, this is the place to go. - Nov 5, 2021 by Ronnie R.Click to read more
5.5 mi · 10230 New Hampshire Ave, Ste 340, Silver Spring, MD 20903
Accepts Aetna, BlueCross BlueShield, Cigna + 23 more
Accepting new patients
Next available: today

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.92
·13 reviews
I would definitely recommend my PA MELISSA To a friend. She was very thorough and extremely helpful and nice! - Mar 20, 2026 by Gloria G.Click to read more
3.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Melissa Nickols is an experienced physician assistant who specializes in gastroenterology. She is based out of Maryland and offers in-person services at Gastro Center of MD in Silver Spring, Riverdale, and Gaithersburg. As part of her formal education, Ms. Nickols acquired a master's degree in ...Click to read more
Next available: Mon, Aug 31

Halimat Akojie, CNP

Family Nurse Practitioner
7 mi · 1400 Mercantile Ln, Ste 204, Largo, MD 20774
Accepts Aetna, BlueCross BlueShield, Cigna + 5 more
Also offers video visits · Accepting new patients ·
Read bio
Ms. Halimat Akojie is a family nurse practitioner at Oshoke Healthcare in Largo, MD. She is skilled at providing professional and comprehensive care to individuals and families. She is also affiliated with Doctors Community Hospital. Ms. Akojie develops personalized treatment plans tailored to each...Click to read more
Next available: today

Dr. Joshua Rosenbloom, DO

Gastroenterologist
4.82
·310 reviews
First visit only but doctor seemed competent and compassionate. Left with a good feeling going forward. - Jan 21, 2023 by David M.Click to read more
12 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Expertise in acid reflux + 4 more ·
Read bio
Dr. Josh Rosenbloom is a Board-Certified physician who specializes in both Gastroenterology and hepatology. Dr. Rosenbloom received his medical degree from Des Moines University and completed his internal medicine residency and Gastroenterology fellowship at St. John Providence health system through...Click to read more
Next available: Tue, Aug 25

Dr. Urooj Ahmed, MD

Gastroenterologist
4.39
·38 reviews
Dr Ahmed was very attentive, patient and knowledgeable. He listened to my symptoms and concerns, before checking me and giving his expert opinion. When I shared with him I had lab appointment afterwards, he made me aware lab office was in-house, which was very convenient. I would recommend him to an...Click to read more
12 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Expertise in upper gi endoscopy + 5 more ·
Read bio
Dr. Urooj Ahmed is a dedicated gastroenterologist practicing at the Gastro Center of MD, serving the communities of Columbia and Annapolis, MD. With extensive training and experience, Dr. Ahmed diagnoses and manages various gastrointestinal conditions to improve his patients' quality of life. Dr. A...Click to read more
Next available: Mon, Aug 24

Dr. Shaffer Mok, MD

Gastroenterologist
4.92
·36 reviews
Great first visit. Very personable and seemed truly interested in helping! - Jun 8, 2026 by Howard S.Click to read more
12 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 2 more ·
Read bio
Dr. Shaffer Mok is a skilled gastroenterologist. He practices at Gastro Center of MD in Owings Mills, Nottingham, and Lutherville Timonium, MD. With a patient-centered approach, Dr. Mok takes the time to understand each individual's symptoms, concerns, and lifestyle, fostering a trusting and collab...Click to read more
Next available: Wed, Aug 26

Dr. Rudrajit Rai, MD, FACG

Gastroenterologist
4.64
·14 reviews
I enjoyed my visit. Dr. Rai is very patient, informative, caring and helpful. I love my doctor. by DRClick to read more
12 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in gastroenteritis + 9 more ·
Read bio
Dr. Rai is the Medical Director of Gastro Center of Maryland and Cascades Endoscopy Center. He is a Board-Certified Gastroenterologist and Hepatologist with over 20 years of experience. Dr. Rai completed his Bachelor of Medicine, Bachelor of Surgery at the All India Institute of Medical Sciences,...Click to read more
Next available: Fri, Aug 28

Dr. Rashika Sood, MD

Internist
4.43
·1453 reviews
Dr. Sood is really great. She made me feel healthy and happy. Her office is very easy to navigate also which is a plus. by Jacob S.Click to read more
6.5 mi · 6915 Laurel Bowie Rd, Ste 101, Bowie, MD 20715
Accepts Aetna, BlueCross BlueShield, Cigna + 54 more
Accepting new patients · Expertise in high cholesterol + 2 more ·
Read bio
**(WE ONLY ACCEPT PATIENTS 21 YEARS OLD AND ABOVE.) As a native of Bowie, MD, Dr. Rashika Sood, serves her community as an Internal Medicine specialist and Primary Care Physician. Dr. Sood earned her Bachelor of Medicine, Bachelor of Surgery degree from Dayanand Medical College. She then complet...Click to read more
Next available: Thu, Aug 27

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·215 reviews
My experience was great. The staff members were very professional. - May 1, 2025 by Chereka M.Click to read more
12 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Mamunes is a reliable and accomplished internist. Catering to the people of Columbia and Timonium, MD, he works at the Gastro Center of MD, treating various complex chronic disorders in adults. As a part of his educational training, Dr. Mamunes acquired his medical degree from the Un...Click to read more
Next available: Wed, Sep 2

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·235 reviews
Very quick, little wait time, overall good experience - Feb 2, 2022 by James G.Click to read more
12 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Expertise in upper gi endoscopy + 2 more ·
Read bio
Serving the communities of Olney and Columbia, MD, Dr. Eduardo Castillo is an attending physician at Gastro Center of Maryland. An accomplished gastroenterologist, he looks forward to providing his patients with the proper tools and advice they need to improve or maintain their overall health. Dr...Click to read more
Next available: Wed, Sep 2

Dr. Pia Prakash, MD

Gastroenterologist
4.81
·301 reviews
Very friendly staff. Doctor and PA listened and made me feel very comfortable. - Oct 3, 2022Click to read more
12 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Expertise in colonoscopy + 3 more ·
Read bio
Dr. Pia Prakash completed her medical training in Washington, D.C. She received her Bachelor in Arts and Sciences from The George Washington University with a major in Psychology. She then attended the George Washington University School of Medicine where she received her medical degree and complete...Click to read more
Next available: Thu, Sep 17

Dr. Rajan Sood, MD

Internist
3.24
·17 reviews
yes I will Thank you for the service - Aug 6, 2024 by Jean G.Click to read more
8 mi · 804 Pershing Dr, Ste 104, Silver Spring, MD 20910
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in high cholesterol + 6 more ·
Read bio
Dr. Rajan Sood, MD, is a General Medicine Practitioner in Bowie, MD. He earned his Bachelor of Medicine, Bachelor of Surgery from Government Medical College Patiala. Not only is he experienced and highly educated, but he is also kind, attentive, and has a wonderful sense of humor. Dr. Sood can be tr...Click to read more
Next available: Wed, Aug 26

Daniel Safo Kantanka, FNP

Family Nurse Practitioner
4.90
·10 reviews
Excellent by JSClick to read more
8 mi · 804 Pershing Dr, Ste 104, Silver Spring, MD 20910
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Mr. Daniel Safo Kantanka is a family nurse practitioner at MD Behavioral Health in Silver Springs, MD. He provides both in-person and virtual care to patients of all ages and genders, addressing common illnesses, chronic diseases, mental health concerns, and minor injuries. Mr. Safo Kantanka takes ...Click to read more
Next available: Tue, Aug 25

Dr. Janaki Kuruppu, MD

Internist
3.64
·11 reviews
I immediately called family and friends about my experience. The doctor and staff were welcoming and friendly. The doctor made the experience both personable and professional making me feel completely relaxed and comfortable. - Jun 12, 2026 by Harold C.Click to read more
7 mi · 10801 Lockwood Dr, Ste 160, Silver Spring, MD 20901
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Also offers video visits · Accepting new patients · 25+ years of experience ·
Read bio
Dr. Janaki Kuruppu is a dedicated and well-trained internist and primary care doctor. She currently offers consultations at Kelly Collaborative Medicine in Silver Spring, MD. She also offers virtual consultations. Dr. Kuruppu is dedicated to improving the overall well-being of all her patients. She...Click to read more
Next available: Wed, Sep 2

Dr. Dabo Xu, MD

Gastroenterologist
4.82
·429 reviews
Great experience, had a bit of a wait but was kept updated. - Apr 21, 2023 by Daniel D.Click to read more
14.5 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Next available: Fri, Aug 28

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
5.00
·35 reviews
The place was easy to find. Staff was friendly and welcoming. The office was clean and organized. I loved the dr I saw! She listened, answered all of my questions, and set me up with next steps. - May 2, 2026 by Richelle D.Click to read more
12 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 28 more
Accepting new patients · Highly recommended · Excellent wait time
Next available: Mon, Aug 24

Dr. Kirsti Campbell, MD

Gastroenterologist
17.5 mi · 4660 Kenmore Ave, Ste 810, Alexandria, VA 22304
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients ·
Read bio
Dr. Kirsti Campbell is a gastroenterologist who sees patients in Falls Church, Fairfax, and Alexandria, VA. She offers in-office consultations at Gastro Center of MD. She works with individuals seeking evaluation and care for digestive health concerns, from new symptoms to ongoing gastrointestinal c...Click to read more
Next available: Thu, Sep 10

Dr. Oney J Zuniga, MD

Nephrologist
14 mi · 18111 Prince Philip Dr #328, 328, Olney, MD 20832
Accepts Aetna, BlueCross BlueShield, Cigna + 8 more
Accepting new patients · 25+ years of experience · Expertise in chronic diabetes + 9 more ·
Read bio
Dr. Oney Zuniga Specializes in Diabetes, Hypertension, Congestive Heart Failure, Peripheral Edema, Vasculitis, Proteinuria, Gout and Kidney Disorders.Click to read more
Next available: Wed, Aug 26

Christina Sasselli, NP

Nurse Practitioner
5.00
·1 review
19 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · Highly recommended ·
Read bio
Christina Sasselli, CRNP, is a board-certified Family Nurse Practitioner committed to delivering compassionate, holistic, and patient-centered care. She earned her Master of Science in Nursing (MSN) from Duquesne University in Pittsburgh and her Bachelor of Science in Nursing (BSN) from Chamberlain ...Click to read more
Next available: today

Dr. Bana Lotfi, MD

Family Physician
5.00
·1 review
17 mi · 1485 Chain Bridge Rd, Ste 203, McLean, VA 22101
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic kidney disease + 9 more ·
Read bio
I am a board-certified Family Medicine physician with more than 11 years of experience caring for patients in both primary care and nursing home settings. I care deeply for adults and older adults and value long-term relationships that allow me to truly understand each patient's medical history, goa...Click to read more
Next available: Mon, Aug 31

Deidre Ann Fisher, FNP

Family Nurse Practitioner
5.00
·6 reviews
I had such a great experience with Deidre Fisher! She is an incredible listener and makes you feel genuinely heard and comfortable throughout the entire appointment. She never makes you feel rushed and takes the time to explain everything thoroughly, making sure you understand what’s going on. I als...Click to read more
19 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
Accepts BlueCross BlueShield, Cigna, Medicare + 10 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Deidre Fisher, MSN, APRN, FNP-C, is a Family Nurse Practitioner with a 30-year career dedicated to patient care. Her journey in nursing began after graduating with a Bachelor of Science in Nursing from the University of Delaware, where she also participated in ARMY ROTC. Following her education, Dei...Click to read more
Next available: Mon, Aug 24

Dr. Avni Jain, MD

Family Physician
4.74
·31 reviews
19 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Accepting new patients · 24 years of experience · Highly recommended · Excellent wait time · Expertise in underactive thyroid + 4 more ·
Read bio
Avni Jain, MD, FAAFP is board-certified in family medicine and obesity medicine. She is a dedicated and compassionate physician with a passion for helping individuals and families achieve their optimal health and well-being. As a board-certified Family and Obesity Medicine specialist, she brings a u...Click to read more
Next available: Thu, Oct 8

Maria Layao, NP

Nurse Practitioner (Gastroenterology)
4.93
·75 reviews
Very knowledgeable staff that answered all my questions, nice welcoming girl on the front desk - May 21, 2026 by Anna R.Click to read more
28.5 mi · 46169 Westlake Dr, Ste 200, Sterling, VA 20165
Accepts Aetna, BlueCross BlueShield, Cigna + 3 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
*$75 cancellation fee if cancelled within 48 hours of the appointment* Maria Layao FNP-BC is a dedicated and compassionate nurse practitioner who cares for patients with Crohn’s disease, ulcerative colitis, infectious colitis, GERD, Barrett’s esophagus, viral hepatitis, liver disease, and many othe...Click to read more
Next available: today

Dr. Lance Lasner, MD

Gastroenterologist
4.83
·30 reviews
Fantastic help and advice. Greatly appreciated! - Feb 11, 2026 by Jonathan D.Click to read more
32.5 mi · 5651 Stone Rd, Centreville,, VA 20120
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in colonoscopy + 2 more ·
Read bio
Dr. Lance Lasner is one of a select few doctors to receive the Vitals® Patients’ Choice and the Vitals Compassionate Doctor awards for five consecutive years. He brings over 25 years of experience to his role as a gastroenterologist at Northern Virginia Gastroenterology, P.C. Dr. Lasner earned hi...Click to read more
Next available: Mon, Aug 24

Courtney Ngo, NP

Nurse Practitioner (Gastroenterology)
4.93
·89 reviews
Courtney is very calm and takes time to listen. Her advice is solid. - Aug 18, 2026 by Mack S.Click to read more
28.5 mi · 46169 Westlake Dr, Ste 200, Sterling, VA 20165
Accepts Aetna, BlueCross BlueShield, Cigna + 3 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
*$75 cancellation fee if cancelled within 48 hours of the appointment* Courtney Ngo, MSN, FNP-C, is a board-certified family nurse practitioner committed to providing patient-centered, quality care. She earned her bachelor's degree from Virginia Tech and completed her master's in nursing at The Geo...Click to read more
Next available: today
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Frequently asked questions

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

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

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

Zocdoc lets you search specifically for a Greenbelt 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 Greenbelt?

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

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

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

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

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

You can use Zocdoc to find Gastroenterologists in Greenbelt 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 Greenbelt?

Gastroenterologists in Greenbelt 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 Greenbelt 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 Greenbelt 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 Greenbelt who sees patients during the weekend?

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

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        Zocdoc›Gastroenterologists›Baltimore, MD›Greenbelt, MD