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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DAVID J CLAIN MD
NPI 1114902343
Internal Medicine - Gastroenterology in New York, NY

Active since December 09, 2005
10 UNION SQUARE E, #2G, PHILLIPS AMBULATORY CARE CENTER, NEW YORK, NY 10003(212) 420-4521(212) 420-4373 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About David J Clain Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID J CLAIN MD (NPI 1114902343) is an individual gastroenterology provider in New York, New York, licensed in New York (138832) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1114902343
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDAVID J CLAINCredential: MD
Location Address10 UNION SQUARE E, #2G, PHILLIPS AMBULATORY CARE CENTERNew York, NY 10003-3801
Mailing AddressPo Box 32886, Beth Israel Medical Center, Dept Of GastroenterologyHartford, CT 06150-2886 · (212) 420-4521 · Fax (212) 420-4373
Phone(212) 420-4521
Fax(212) 420-4373
Sole ProprietorNo
Enumeration DateDecember 9, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1114902343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 138832
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
10 UNION SQUARE E, New York, NY 10003
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Other Identifiers 1

Medicaid00837132NY

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DAVID HERBERT ROBBINS MD
Internal Medicine (Gastroenterology)
10 UNION SQUARE E, STE 2G
NEW YORK, NY 10003
New York County (212) 420-4245
ELLEN BIRENBAUM MD
Internal Medicine
10 UNION SQUARE E
NEW YORK, NY 10003
New York County (212) 420-3494

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Clain's NPI number?

The NPI number for David Clain is 1114902343. It was assigned to this individual provider in the NPPES registry on December 9, 2005.

Where is David Clain located?

David Clain practices at 10 Union Square E #2g, Phillips Ambulatory Care Center, New York, NY 10003. The listed phone number is (212) 420-4521.

What is David Clain's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for David Clain was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.