Leslie Gamache, MD

NPI 1851303002ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Denver, CO

Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Denver, Colorado, trained at Creighton University School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $750,299 for 1,339 claims, against $173,392 paid for services in 2024. Sanofi-Aventis U.S. LLC was the largest of 17 companies reporting payments in 2025, $605.92 in all, mostly food and beverage.

Overview

NPI	1851303002
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Aug 13, 2006
Last updated in NPPES	Jun 22, 2016

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary	207RE0101X	44771	CO

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 - Endocrinology (CO)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	262
Services billed	13,091 across 22 procedure codes
Paid by Medicare	$173,392

Part D prescriptions in 2024

Prescriptions (claims)	1,339 · 2,969 30-day fills
Patients	279
Total drug cost	$750,299
Generic share	31% of claims

Medicare sources and data years

Education and affiliations

Medical school	Creighton University School of Medicine
Graduation year	2001
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth