Cassandra Oehler, M.D.

NPI 1114346186ActiveIndividual· Internal Medicine, Infectious Disease· Pittsburgh, PA

Internal Medicine, Infectious Disease (M.D.) in Pittsburgh, Pennsylvania, trained at University of Michigan Medical School (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $2,674,457 for 3,249 claims, against $20,498 paid for services in 2024. Viiv Healthcare Company reported $34.78 in payments in 2025, mostly food and beverage.

Overview

NPI	1114346186
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	Yes
NPI issued	Apr 7, 2014
Last updated in NPPES	Sep 30, 2020
Certified by provider	Sep 30, 2020

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Infectious Disease Primary	207RI0200X	MD470378	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 - Infectious Disease (PA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	112
Services billed	314 across 27 procedure codes
Paid by Medicare	$20,498

Part D prescriptions in 2024

Prescriptions (claims)	3,249 · 3,424 30-day fills
Patients	97
Total drug cost	$2,674,457
Generic share	63% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Michigan Medical School
Graduation year	2014
Medicare specialty	Infectious Disease
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth