Allan Harrelson, DO, PHD

NPI 1437360740ActiveIndividual· Internal Medicine, Cardiovascular Disease· Portland, OR

Internal Medicine, Cardiovascular Disease (DO, PHD) in Portland, Oregon, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $561,833 for 3,377 claims, against $72,267 paid for services in 2024. Shockwave Medical, Inc was the largest of 2 companies reporting payments in 2025, $196.42 in all, mostly food and beverage.

Overview

NPI	1437360740
Status	Active
Entity type	Individual
Credential	DO, PHD
Sole proprietor	No
NPI issued	May 25, 2007
Last updated in NPPES	Apr 17, 2019

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Cardiovascular Disease Primary	207RC0000X	DO150948	OR
Internal Medicine	207R00000X	DO150948	OR

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 - Cardiovascular Disease (Cardiology) (OR); Practitioner - Cardiovascular Disease (Cardiology) (WA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	820
Services billed	1,547 across 34 procedure codes
Paid by Medicare	$72,267

Part D prescriptions in 2024

Prescriptions (claims)	3,377 · 8,017 30-day fills
Patients	626
Total drug cost	$561,833
Generic share	84% of claims

Medicare sources and data years

Education and affiliations

Medical school	At Still University of Health Sciences, College of Osteo Med, Kirksville
Graduation year	2002
Medicare specialty	Cardiovascular Disease (Cardiology)
Telehealth	Offers telehealth