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Internal Medicine - Gastroenterology Specialists in Valley Stream, NY

Browse 8 Internal Medicine - Gastroenterology providers listed in NPPES with a practice address in Valley Stream, New York.

8 Healthcare Providers

How Valley Stream compares with the U.S.

8 active clinicians in Internal Medicine - Gastroenterology list a practice address in Valley Stream, NY in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

Too few clinicians in Internal Medicine - Gastroenterology in Valley Stream are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“8 of 8 providers
With recent CMS data first, then Aโ€“Z

Dr. Naeem Abbas , MD

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment
260 W Sunrise Hwy Ste 200, Valley Stream, NY 115811051
Phone: 5168253600
NPI Identifier 1437432192
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Dr. Bernard D. Bienstock , MD

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
509 W. Merrick Road, Valley Stream, NY 11580
Phone: 5165618188
NPI Identifier 1043229008
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Dr. Barry S Dorf , MD FACG

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment
20 West Lincoln Avenue, Suite 201, Valley Stream, NY 11580
Phone: 5168723885
NPI Identifier 1255436499
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Dr. Fredric R Miller , MD

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment
20 W Lincoln Ave, Suite 201, Valley Stream, NY 11580
Phone: 5168727900
NPI Identifier 1962505909
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Dr. Gautam M. Reddy , MD

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment
210 E Sunrise Hwy, Ste. 304, Valley Stream, NY 115811329
Phone: 5168258484
NPI Identifier 1235158585
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Dr. Bradley S Rieders , MD

Internal Medicine - Gastroenterology

Active NPI Status
210 E Sunrise Hwy, Ste 304, Valley Stream, NY 115811329
Phone: 5168258484
NPI Identifier 1043239387
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Brandon Rieders

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment
210 E Sunrise Hwy Ste 304, Valley Stream, NY 115811328
Phone: 5168258484
NPI Identifier 1467895607
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Dr. Peter Markovics , MD

Internal Medicine - Gastroenterology

Active NPI Status
260 W Sunrise Hwy, 200, Valley Stream, NY 115811011
Phone: 5168253600
NPI Identifier 1497795579
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Frequently Asked Questions about Internal Medicine - Gastroenterology in Valley Stream

How do I check a Internal Medicine - Gastroenterology practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the New York licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.