Colleen Amanda Finnegan, M.D.

NPI 1104909936ActiveIndividual· Internal Medicine· Lake Oswego, OR

Internal Medicine (M.D.) in Lake Oswego, Oregon, trained at Tufts University School of Medicine (class of 1999). Part D covered 142 prescriptions written in 2024, 82% of them generic.

Overview

NPI	1104909936
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	Yes
NPI issued	Oct 23, 2006
Last updated in NPPES	Oct 5, 2020
Certified by provider	Oct 5, 2020

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	MD23268	OR
Internal Medicine, Allergy & Immunology	207RA0201X	MD23268	OR
Internal Medicine, Allergy & Immunology	207RA0201X	MD00045453	WA

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 - Internal Medicine (OR)

Part D prescriptions in 2024

Prescriptions (claims)	142 · 232 30-day fills
Patients	45
Total drug cost	$20,722
Generic share	82% of claims

Medicare sources and data years

Education and affiliations

Medical school	Tufts University School of Medicine
Graduation year	1999
Medicare specialty	Internal Medicine

Medical group

Providence Health and Services OregonPortland, OR · 1,433 clinicians

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

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All Internal Medicine providers in Oregon →