Angel A. Diaz, M.D.

NPI 1114946415ActiveIndividual· Internal Medicine, Gastroenterology· Geneva, NY

Internal Medicine, Gastroenterology (M.D.) in Geneva, New York, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1995). 174 Medicare patients in 2024, $33,911 paid; nearly all of their 70 Part D prescriptions were generic (91%). Janssen Biotech, Inc. reported $19.38 in payments in 2025, mostly food and beverage.

Overview

NPI	1114946415
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jul 18, 2006
Last updated in NPPES	Jul 8, 2007

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	205857	NY

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Gastroenterology (NY)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	174
Services billed	368 across 15 procedure codes
Paid by Medicare	$33,911

Part D prescriptions in 2024

Prescriptions (claims)	70 · 86 30-day fills
Patients	28
Total drug cost	$7,816
Generic share	91% of claims

Medicare sources and data years

Education and affiliations

Medical school	Albert Einstein College of Medicine of Yeshiva University
Graduation year	1995
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine