Internal Medicine Physician in Portland, OR

Compiled from official public sources by the PlainDoctor editorial team.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-20.

1,131 providers

The CMS National Plan and Provider Enumeration System currently lists 1,131 Internal Medicine Physician providers with a primary practice address in Portland, OR, all registered under the Internal Medicine NUCC taxonomy branch. Each clinician on this roster selected Internal Medicine Physician as their primary taxonomy at NPI enrollment, a self-reported classification updated whenever the provider files a correction with CMS. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES); see our methodology.

Before contacting anyone on this list, verify the practice is still at the address shown. NPPES refreshes monthly, but providers who have relocated, retired, or changed employers may not have filed an NPI update yet. Important: PlainDoctor is a directory of publicly available CMS government data, not a quality ranking, a board-certification verifier, or medical advice. Always confirm credentials through the NPPES NPI Registry before making any clinical decision.

Soraya Abbassian, M.D.
Internal Medicine Physician
Portland, OR 97220
(503) 253-8200
Amged Abdelaziz, MD
Internal Medicine Physician
Portland, OR 97239
(503) 494-1775
Rand Abedalweli
Internal Medicine Physician
Portland, OR 97239
(503) 494-8211
Allison Abraham, D.O.
Internal Medicine Physician
Portland, OR 97210
(503) 413-8407
Lakshmi Aggarwal, MD
Internal Medicine Physician
Portland, OR 97239
(503) 494-8211
Madiha Ahmad
Internal Medicine Physician
Portland, OR 97239
(503) 494-8562
Wooin Ahn, M.D.
Internal Medicine Physician
Portland, OR 97239
(503) 494-3442
Merrill Ahrens, MD
Internal Medicine Physician
Portland, OR 97233
(503) 669-3900
Mustafa Ajam, M.D.
Internal Medicine Physician
Portland, OR 97239
(503) 494-8311
Eloho Ajayi, M.D.
Internal Medicine Physician
Portland, OR 97216
(503) 261-6025
Hugo Akabane, M.D.
Internal Medicine Physician
Portland, OR 97213
(503) 215-1350
Reyhaneh Akhavein, M.D
Internal Medicine Physician
Portland, OR 97239
(503) 494-8211
Lana Al-Rashdan, MD
Internal Medicine Physician
Portland, OR 97239
(503) 494-8211
John Alferes, M.D.
Internal Medicine Physician
Portland, OR 97227
(503) 285-9321
Duna Alkhalaileh, DO
Internal Medicine Physician
Portland, OR 97239
(503) 494-8211
Elizabeth Allen, M.D.
Internal Medicine Physician
Portland, OR 97207
(503) 220-8262
Sidney Amankwah
Internal Medicine Physician
Portland, OR 97216
(503) 257-2500
Alexis Amatisto, DO
Internal Medicine Physician
Portland, OR 97225
Daniel Amato
Internal Medicine Physician
Portland, OR 97213
(503) 215-6405
Lana Amerie
Internal Medicine Physician
Portland, OR 97239
(503) 494-1164
Jenna Anderson
Internal Medicine Physician
Portland, OR 97239
(503) 494-4373
Thomas Anderson, M.D.
Internal Medicine Physician
Portland, OR 97239
(503) 220-8262
Lee Anthony, MD
Internal Medicine Physician
Portland, OR 97225
(503) 216-2621
Andris Antoniskis, MD
Internal Medicine Physician
Portland, OR 97213
(503) 215-2584
Sara Archer, MD
Internal Medicine Physician
Portland, OR 97239
(503) 494-6551
Michael Armstrong, DO
Internal Medicine Physician
Portland, OR 97239
(503) 494-8211
Nayan Arora, M.D.
Internal Medicine Physician
Portland, OR 97239
(503) 494-3442
Oliver Arquero, MD
Internal Medicine Physician
Portland, OR 97213
(503) 215-2392
Cibi Arumugam, M.D.
Internal Medicine Physician
Portland, OR 97227
(503) 413-8407
Shikha Arun, MD
Internal Medicine Physician
Portland, OR 97213
(503) 215-9700
Dennis Asby, M.D.
Internal Medicine Physician
Portland, OR 97213
(503) 331-7657
Chandralekha Ashangari, MD
Internal Medicine Physician
Portland, OR 97239
(503) 494-1775
Rupali Avasare, M.D.
Internal Medicine Physician
Portland, OR 97239
(503) 494-3442
Kathrine Avison, MD
Internal Medicine Physician
Portland, OR 97213
(503) 231-7747
Tanya Aylward, M.D.
Internal Medicine Physician
Portland, OR 97239
(503) 494-1164
Leesa Azar, MD
Internal Medicine Physician
Portland, OR 97225
(503) 292-9560
Aniqa Azim, MD
Internal Medicine Physician
Portland, OR 97239
(503) 494-8311
Michael Azorr, M.D.
Internal Medicine Physician
Portland, OR 97220
(503) 284-7434
Moses Azubuike, M.D
Internal Medicine Physician
Portland, OR 97239
(503) 494-7660
Michele Babaie
Internal Medicine Physician
Portland, OR 97209
(503) 988-5020
Benjamin Babb, M.D.
Internal Medicine Physician
Portland, OR 97225
(503) 216-2906
Jane Babiarz, MD
Internal Medicine Physician
Portland, OR 97239
(503) 494-8211
Keith Bachman, M.D.
Internal Medicine Physician
Portland, OR 97227
(503) 813-0379
Nathan Bachtell, MD
Internal Medicine Physician
Portland, OR 97225
(503) 216-2906
Yara Christina Badrakhan
Internal Medicine Physician
Portland, OR 97210
(503) 413-7074
Annavi Baghel
Internal Medicine Physician
Portland, OR 97239
(503) 494-3273
Aman Bagla, D.O.
Internal Medicine Physician
Portland, OR 97210
(503) 413-7074
Alistair Bahar, M.D.
Internal Medicine Physician
Portland, OR 97227
(503) 813-2000
Alison Bahr, MD
Internal Medicine Physician
Portland, OR 97210
(503) 813-2000
Shahana Baig-Lewis, M.D.
Internal Medicine Physician
Portland, OR 97225
(503) 216-2229

Showing the first 50 of 1,131 providers. Browse the full Internal Medicine Physician directory for OR.

Provider data from CMS NPPES (download.cms.gov/nppes). Specialty classification from NUCC Health Care Provider Taxonomy (nucc.org). PlainDoctor does not rate or rank providers. Methodology · About