Peter Gottlieb, MD

NPI 1174537492ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Aurora, CO

Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Aurora, Colorado, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $309,791 for 1,243 claims, against $15,620 paid for services in 2024. Genzyme Corporation was the largest of 4 companies reporting payments in 2025, $21,617 in all, mostly consulting fees.

Overview

NPI	1174537492
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jul 29, 2006
Last updated in NPPES	Nov 13, 2014

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary	207RE0101X	34127	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	52
Services billed	234 across 7 procedure codes
Paid by Medicare	$15,620

Part D prescriptions in 2024

Prescriptions (claims)	1,243 · 2,715 30-day fills
Patients	73
Total drug cost	$309,791
Generic share	54% of claims

Medicare sources and data years

Education and affiliations

Medical school	Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc)
Graduation year	1984
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth