John Blair Hamner, MD

NPI 1275750978ActiveIndividual· Surgery, Surgical Oncology· Aurora, CO

Surgery, Surgical Oncology (MD) in Aurora, Colorado, trained at Louisiana State University School of Medicine in Shreveport (class of 2003). In 2024 Medicare paid $52,349 for 133 patients, and Part D covered 169 of their prescriptions, 73% of them generic. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2024, $152.88 in all, mostly food and beverage.

Overview

NPI	1275750978
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Apr 20, 2007
Last updated in NPPES	Sep 6, 2019

Specialties and licenses

Taxonomy	Code	License	State
Surgery, Surgical Oncology Primary	2086X0206X	DR.0062629	CO
Surgery	208600000X	MD.204096	LA
Surgery, Surgical Oncology	2086X0206X	MD.204096	LA

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 - Surgical Oncology (CO)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	133
Services billed	271 across 44 procedure codes
Paid by Medicare	$52,349

Part D prescriptions in 2024

Prescriptions (claims)	169 · 189 30-day fills
Patients	59
Total drug cost	$30,893
Generic share	73% of claims

Medicare sources and data years

Education and affiliations

Medical school	Louisiana State University School of Medicine in Shreveport
Graduation year	2003
Medicare specialty	Surgical Oncology
Secondary specialties	General Surgery
Telehealth	Offers telehealth