What is Guy Weiss's background?

Dr. Weiss has over 16 years of experience in internal medicine. Dr. Weiss works within a group practice.

Does Guy Weiss take Medicare?

Dr. Weiss has a Medicare provider ID. Contact the office to confirm enrollment and other coverage.

How do I reach Guy Weiss's office?

462 Grider St, Internal Medicine Residency Training Program, Buffalo, NY 14215. Phone: (716) 898-4226. Virtual visits are also available for patients who prefer remote care.

How does a virtual visit with Dr. Weiss work?

Dr. Weiss's office sends a secure video link before your appointment. You can join from any device with a camera — phone, tablet, or laptop. Most visits take 15–30 minutes. See the telehealth section above for what to prepare.

Guy A Weiss, M.D.

Gastroenterology Internal Medicine

(716) 898-4226Buffalo, NY

Telehealth Available

NPI Active per CMS — Q2 2026

Telehealth Available NPI Active per CMS — Q2 2026

Patients across NY can see Guy Weiss, M.D. in person in Buffalo or via virtual visit — no travel required. He has been practicing since 2010 — over 16 years. Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), and more.

1 of 564 Internal Medicine providers in NYSee all Internal Medicine in Buffalo|16+ years experience|NPI since 2010

Data updated 2020-08-03 on CMS NPPES

Contact & Location

Practice Location

462 Grider St Internal Medicine Residency Training Program, Buffalo, NY 14215-3021

(716) 898-4226

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Internal MedicineAllopathic & Osteopathic Physicians

Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.

Taxonomy: 207RG0100X

Virtual Internal Medicine Care With Guy Weiss

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Guy Weiss for follow-ups, medication reviews, and ongoing care — no travel to Buffalo required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Guy Weiss

NPI records show Dr. Weiss as active with telehealth listed in Buffalo, NY. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (716) 898-4226.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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