Gregory S. Cooper, MD

NPI 1952320806ActiveIndividual· Internal Medicine, Gastroenterology· Cleveland, OH

Internal Medicine, Gastroenterology (MD) in Cleveland, Ohio, trained at Perelman School of Med at the University of Pennsylvania (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $349,194 for 746 claims, against $35,718 paid for services in 2024. Exact Sciences Corporation was the largest of 4 companies reporting payments in 2025, $2,541 in all, mostly consulting fees.

Overview

NPI	1952320806
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jul 19, 2006
Last updated in NPPES	Jan 5, 2021
Certified by provider	Nov 26, 2020

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	35-056202	OH

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

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

Medicare

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

Medicare services in 2024

Medicare patients	268
Services billed	453 across 26 procedure codes
Paid by Medicare	$35,718

Part D prescriptions in 2024

Prescriptions (claims)	746 · 1,294 30-day fills
Patients	168
Total drug cost	$349,194
Generic share	83% of claims

Medicare sources and data years

Education and affiliations

Medical school	Perelman School of Med at the University of Pennsylvania
Graduation year	1986
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth