Michelle Marie Ryan, MD

NPI 1912019217ActiveIndividual· Internal Medicine, Rheumatology· Corvallis, OR

Internal Medicine, Rheumatology (MD) in Corvallis, Oregon, trained at University of California, Davis School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $2,236,804 for 4,158 claims, against $29,214 paid for services in 2024. Amgen Inc. reported $17.98 in payments in 2024, mostly food and beverage.

Overview

NPI	1912019217
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Aug 31, 2006
Last updated in NPPES	Nov 6, 2020
Certified by provider	Nov 6, 2020

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Rheumatology Primary	207RR0500X	MD125560	OR
Internal Medicine, Rheumatology	207RR0500X	244218	NY

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Rheumatology (OR)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	162
Services billed	471 across 14 procedure codes
Paid by Medicare	$29,214

Part D prescriptions in 2024

Prescriptions (claims)	4,158 · 6,745 30-day fills
Patients	294
Total drug cost	$2,236,804
Generic share	88% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, Davis School of Medicine
Graduation year	2003
Medicare specialty	Rheumatology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth