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About

Gastroenterology Center of Northern Virginia, Ltd (GCOF Northern Virginia) is a small medical practice specializing in gastroenterology with three offices in Arlington, VA (HQ at 1715 North George Mason Drive, Arlington, VA 22205). They operate endoscopy and other medical centers in Northern Virginia, offering patient education, registration forms, and a patient portal. Key details: - Industry: Medical Practices; Services: gastroenterology procedures including endoscopy; patient education; registration; patient portal - Headquarters/Locations: Arlington, VA (three offices) - Size: about 4 employees - Contact: portalresponse@gcofnova.com; phone numbers include (703) 528-4209, (703) 204-1968, (703) 522-7476, (703) 560-6106

Clinic Type

Gastroenterology (multi-location group)

Address

Arlington: 1715 N George Mason Dr, Suite 403, Arlington, VA 22205; Annandale: 3299 Woodburn Road, Suite 220, Annandale, VA 22003

Phone

(703) 522-7476

Email

portalresponse@gcofnova.com

Opening Hours

Office hours: Monday – Thursday 8:30 am – 5:00 pm; Friday 8:30 am – 4:30 pm (Arlington and Annandale locations)

Services Offered

  • Gastroenterology
  • Endoscopy
  • Colonoscopy
  • GI procedures
  • Patient education
  • Registration
  • Endoscopy centers
  • Gastroenterology consultations

Team

  • Gabriel B. Herman, M.D. — Physician

Insurance & Payment

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Languages Spoken

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FAQs

What are the office hours?

Office hours are Monday – Thursday 8:30 am – 5:00 pm and Friday 8:30 am – 4:30 pm.

Do you have multiple locations?

Yes, Arlington and Annandale locations.

What is the fax number for the Arlington office?

Fax: (703) 528-4209.

What is the fax number for the Annandale office?

Fax: (703) 204-1968.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Yelp via MapQuest: 2.5/5 (51 reviews on Yelp)

Patients praise

  • Praise for the medical knowledge and bedside manner of individual doctors (specifically Drs. Kuperschmit and Trinh)
  • Professionalism and competence in performing procedures such as colonoscopies
  • Positive long-term patient relationships for some patients

Common complaints

  • Difficulties with appointment scheduling and reaching staff by phone
  • Reports of rude or unprofessional front desk/administrative staff
  • Issues with billing and collections processes
  • Inconsistent communication regarding post-procedure results or instructions

"Dr. Kuperschmit is a great doctor due to his bedside manner, knowledge and patience with his patients."

— Yelp review, November 2019

"If your life depends on somebody answering your call, you're done. Spent 2 days on the phone, for hours, and nobody answered. Doctors are great, but zero for this front desk management."

— LocalityBiz review, Undated

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

Information sourced from the clinic's website as of July 11, 2026.

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