Frederick Gastroenterology Associates

Gastroenterology • Frederick, MD • Multiple (Frederick Office, Urbana Office, Mount Airy Office, Brunswick Office) locations

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About

Frederick Gastroenterology Associates is a Frederick, MD-based private practice of board-certified gastroenterologists and advanced practice providers focused on digestive health. Key points: - Services: Evaluation and treatment of stomach pain, intestinal problems, acid reflux, constipation, liver disease, and other gastrointestinal issues. - Locations: Three offices in the United States (including Frederick, MD and Rockville, MD). - Leadership: Dr. Gordon Liss among the gastroenterology providers. - Contact: Multiple local phone numbers; main address listed as 310 W 9th St, Frederick, MD 21701. - Notable context: LinkedIn profile exists; overall focus on digestive health and related specialties.

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Clinic Type

Gastroenterology

Address

109 Guilford Ave, Frederick, MD

Phone

(301) 695-6800

Email

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Opening Hours

Update to Office Hours for Labor Day Weekend: Our office will be closed early this Friday 8/30 at 12:30pm. We will be observing Labor Day on Monday and offices will be reopen Tuesday.

Website

https://www.fgamd.com/

Services Offered

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Team

Meet our Physicians — Physicians

Insurance & Payment

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Languages Spoken

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FAQs

What are your office hours during Labor Day weekend?

Our office will be closed early this Friday 8/30 at 12:30pm and will reopen Tuesday after Labor Day.

Awards & Accreditations

Newsweek's best ambulatory surgery centers (ASC) – Frederick Endoscopy Center

Social Media

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Photos

What Patients Say

Overall sentiment across review platforms: positive

Birdeye (aggregated from Google): 4.7/5 stars (544 reviews)

Patients praise

Highly rated and recommended by many patients
Physicians are frequently described as knowledgeable, thorough, and caring with good bedside manner
Staff, nurses, and administrative personnel are often noted for being friendly, helpful, and welcoming
Efficient and clear communication regarding patient care and procedures

Common complaints

Some patients reported dissatisfaction with billing and scheduling processes
Isolated reports of unprofessional or rude nursing staff interactions
Occasional concerns regarding doctors not reviewing medical files thoroughly before appointments

"Wow, I have never had a better experience at a doctor's office in my life. From the moment I checked in to the moment I checked out, every single person at Frederick Gastroenterology was unbelievably kind, patient, and welcoming."

— LocalityBiz review

"Nurses were rude and terse at best, very unprofessional and act like you are nothing but a bother to them, nothing positive to say about them, they made the entire process extremely stressful and tense!"

— Unilocal review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].