Christine Mary McMahon, MD

NPI 1356600464ActiveIndividual· Internal Medicine, Hematology & Oncology· Aurora, CO

Internal Medicine, Hematology & Oncology (MD) in Aurora, Colorado, trained at Duke University School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $2,934,692 for 329 claims, against $39,955 paid for services in 2024. Janssen Research & Development, LLC was the largest of 2 companies reporting payments in 2025, $3,535 in all, mostly consulting fees.

Overview

NPI	1356600464
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	May 9, 2012
Last updated in NPPES	Sep 10, 2020
Certified by provider	Sep 10, 2020

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Hematology & Oncology Primary	207RH0003X	DR.0064477	CO
Internal Medicine, Hematology & Oncology	207RH0003X	MD452156	PA

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 - Hematology/Oncology (CO)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	105
Services billed	456 across 11 procedure codes
Paid by Medicare	$39,955

Part D prescriptions in 2024

Prescriptions (claims)	329 · 405 30-day fills
Patients	59
Total drug cost	$2,934,692
Generic share	45% of claims

Medicare sources and data years

Education and affiliations

Medical school	Duke University School of Medicine
Graduation year	2012
Medicare specialty	Hematology/Oncology
Secondary specialties	Internal Medicine, Medical Oncology
Telehealth	Offers telehealth