NPI Portal NPI Lookup & Verification

Internal Medicine in Lake Oswego, OR

33 active Internal Medicine providers practice in Lake Oswego, Oregon according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Lake Oswego, OR
NPI Name Type Specialty Location
1598936916 Alia Alhumaid Individual Internal Medicine Physician Lake Oswego, OR
1740394857 Berton Stone Individual Internal Medicine Physician Lake Oswego, OR
1558386573 Birch Porter Individual Internal Medicine Physician Lake Oswego, OR
1992453302 Claire Higgins Individual Internal Medicine Physician Lake Oswego, OR
1821753070 Clearblue Labs Organization Clinical & Laboratory Immunology (Internal Medicine) Physician Lake Oswego, OR
1710932421 Colene Andersen Individual Internal Medicine Physician Lake Oswego, OR
1104909936 Colleen Finnegan Individual Internal Medicine Physician Lake Oswego, OR
1245293596 Daryl Baron Individual Internal Medicine Physician Lake Oswego, OR
1700840303 Donald Ramsthel Individual Internal Medicine Physician Lake Oswego, OR
1205853256 Dr. Paula D Kilpatrick Organization Internal Medicine Physician Lake Oswego, OR
1396766796 Edward Conrad Individual Internal Medicine Physician Lake Oswego, OR
1497418651 Elizaveta Reynolds Individual Clinical & Laboratory Immunology (Internal Medicine) Physician Lake Oswego, OR
1619930237 Ellen Mayock Individual Internal Medicine Physician Lake Oswego, OR
1962469551 H Harris Individual Internal Medicine Physician Lake Oswego, OR
1770519340 Hidenao Kimura Individual Internal Medicine Physician Lake Oswego, OR
1336345263 Jordan Smith Individual Internal Medicine Physician Lake Oswego, OR
1922074160 Judith Lindsey Individual Internal Medicine Physician Lake Oswego, OR
1013971837 Kenneth Melvin Individual Internal Medicine Physician Lake Oswego, OR
1023293453 Kristina E Harp M.D P.C Organization Internal Medicine Physician Lake Oswego, OR
1720069529 Lauren Gearhart Individual Internal Medicine Physician Lake Oswego, OR
1134274129 Nancy Heisel Individual Internal Medicine Physician Lake Oswego, OR
1619273844 Northwest Endocrinology, LLC Organization Endocrinology, Diabetes & Metabolism Physician Lake Oswego, OR
1114963196 Paul Yutan Individual Internal Medicine Physician Lake Oswego, OR
1134179872 Paula Kilpatrick Individual Internal Medicine Physician Lake Oswego, OR
1295225951 Stephanie Barayuga Individual Internal Medicine Physician Lake Oswego, OR
1447201215 Stephen Weil Individual Internal Medicine Physician Lake Oswego, OR
1295978732 Steven A. Hashiguchi, MD, LLC Organization Internal Medicine Physician Lake Oswego, OR
1184687428 Steven Hashiguchi Individual Internal Medicine Physician Lake Oswego, OR
1366559577 Sue Lewis Individual Internal Medicine Physician Lake Oswego, OR
1841252335 Tanya Stewart Individual Hospice and Palliative Medicine (Internal Medicine) Physician Lake Oswego, OR
1295922755 The Medical Wellness Clinic, LLC Organization Internal Medicine Physician Lake Oswego, OR
1528429198 The Rhythm Clinic LLC Organization Cardiovascular Disease Physician Lake Oswego, OR
1265617690 Westlake Internal Medicine, LLC Organization Internal Medicine Physician Lake Oswego, OR

Frequently asked questions

How many Internal Medicine providers are in Lake Oswego, OR?
The latest NPPES snapshot lists 33 active Internal Medicine providers with a practice address in Lake Oswego, Oregon.
How do I check a Internal Medicine provider's NPI in Lake Oswego?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-11.