Internal Medicine Physician in Portland, ME

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 2026-08-25.

201 providers

Roster context

How this city fits the ME directory

Browse all Internal Medicine Physician in ME →
Listed here
201

NPPES primary-practice records

Statewide share
27.1%

of 743 listed in ME

Directory scope
a concentrated share of the statewide roster

Registration geography, not care availability

CMS NPPES currently lists 201 Internal Medicine Physician providers with a primary practice address in Portland, ME, representing 27.1% of the ME roster for this taxonomy. The page is a registry lookup, not a quality ranking or a measure of appointment availability. Confirm an address, credentials, and current practice details in the NPPES NPI Registry before making a care decision.

Elizabeth Ackerson, MD
Internal Medicine Physician
Portland, ME 04102
(207) 774-5816
Zain Alshanableh, MD
Internal Medicine Physician
Portland, ME 04102
(207) 774-5222
Jonathan Amatruda, M.D.
Internal Medicine Physician
Portland, ME 04102
(207) 774-5222
Robert Anderson, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-3157
Reid Andress, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-4618
Jennifer Aronson, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-6153
Nigel Arruda, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-4618
Victoria Ashton, M.D.
Internal Medicine Physician
Portland, ME 04102
(207) 879-8511
Cynthia Atkinson, MD
Internal Medicine Physician
Portland, ME 04101
(207) 774-5816
Niveditha Badrinarayanan, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-4618
Noemi Baffy, MD
Internal Medicine Physician
Portland, ME 04101
(207) 773-7964
David Baird, M.D.
Internal Medicine Physician
Portland, ME 04102
(207) 775-3526
Jennifer Baldwin
Internal Medicine Physician
Portland, ME 04102
(207) 662-0111
Jeffrey Balke, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-4618
Jeffrey Ball, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-3157
Ross Barman, DO
Internal Medicine Physician
Portland, ME 04102
(207) 662-2526
Douglas Barr, MD
Internal Medicine Physician
Portland, ME 04101
(207) 774-5816
Timothy Baum, MD
Internal Medicine Physician
Portland, ME 04101
(207) 774-5816
Lane Beatty, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-4618
Russell Behmer, MD
Internal Medicine Physician
Portland, ME 04102
(207) 774-9839
Bita Behrouzi, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-4618
Timothy Bender, DO
Internal Medicine Physician
Portland, ME 04102
(207) 662-4618
Kirsten Berman, M.D.
Internal Medicine Physician
Portland, ME 04102
(207) 857-8040
Shulamith Bonham, MD
Internal Medicine Physician
Portland, ME 04102
(207) 874-2141
Joel Botler, MD
Internal Medicine Physician
Portland, ME 04101
(207) 774-5816
Timothy Botler, M.D.
Internal Medicine Physician
Portland, ME 04102
(207) 662-4618
Jenna Breed, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-0111
Glenn Buchberger, MD
Internal Medicine Physician
Portland, ME 04101
(207) 774-5816
Eliza Bullis, M.D.
Internal Medicine Physician
Portland, ME 04102
(207) 662-4618
Gregory Burt, M.D.
Internal Medicine Physician
Portland, ME 04102
(207) 623-8411
Allison Buttarazzi, M.D.
Internal Medicine Physician
Portland, ME 04101
(207) 774-5816
Matthew Buttarazzi, M.D.
Internal Medicine Physician
Portland, ME 04102
(207) 662-6562
David Buzanoski, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-7060
Erin Byrt, M.D.
Internal Medicine Physician
Portland, ME 04102
(207) 662-0111
Katherine Caldwell, MD
Internal Medicine Physician
Portland, ME 04101
(207) 774-5816
Fernando Calmet, M.D.
Internal Medicine Physician
Portland, ME 04101
(207) 773-7964
Samuel Philip Caper, M.D.
Internal Medicine Physician
Portland, ME 04101
(207) 878-0685
Rosario Carrasco, M.D.
Internal Medicine Physician
Portland, ME 04102
(207) 662-4735
Charles Cathcart, MD
Internal Medicine Physician
Portland, ME 04101
(207) 774-5816
Scott Cathcart, MD
Internal Medicine Physician
Portland, ME 04101
(207) 774-5816
Wendy Cathcart, MD
Internal Medicine Physician
Portland, ME 04101
(207) 774-5816
Alexis Cavic, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-4618
Julie Cekleniak, MD
Internal Medicine Physician
Portland, ME 04101
(207) 774-5816
Katelyn Chadwick, DO
Internal Medicine Physician
Portland, ME 04102
(207) 662-0111
Phumpattra Chariyawong, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-4618
Luke Chmielecki, MD
Internal Medicine Physician
Portland, ME 04102
(207) 283-7000
Mark Cieniawski, M.D.
Internal Medicine Physician
Portland, ME 04101
(207) 879-3040
Thomas Claffey, MD
Internal Medicine Physician
Portland, ME 04101
(207) 774-5816
Christina Clark, MD
Internal Medicine Physician
Portland, ME 04102
(207) 662-0111
Matthew Clark, DO
Internal Medicine Physician
Portland, ME 04102
(207) 662-0111

Showing the first 50 of 201 providers. Browse the full Internal Medicine Physician directory for ME.

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