Registry data as of Aug 27, 2026

John Tweed, MD

Psychiatry Physician · Portland, ME

John Tweed, MD is a psychiatry physician with a practice address in Portland, Maine, and NPI 1992802003, issued on Sep 20, 2006. Check the license (Maine 015119, as entered in NPPES) on the Maine Board of Licensure in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1992802003
Name
John Tweed
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
015119 ME
Self-reported in NPPES; status is on the state search
Practice location
932 Congress St, Portland, ME 04102
Phone
(207) 662-3097
Enumerated
Sep 20, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 932 Congress St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Geraldine Bogdan, CNS, NPPsychiatric/Mental Health Clinical Nurse Specialist1336218684
  2. Julie Claffey, LSWSocial Worker1477615227
  3. Kevin Dagnese, LSWSocial Worker1508928359
  4. Carole Ewald, LCSWClinical Social Worker1609945971
  5. Barbara Fowler, LCSWClinical Social Worker1811066194

Verify John Tweed in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license 015119
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

94 psychiatry physician records list a Portland practice address

They are 94 of the 6,022 NPPES records with a Portland practice address, and 329 psychiatry physician records in Maine. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychiatry physician records in Maine

  1. Kathleen Abernathy, M.D.Yarmouth, ME1013169481
  2. Mac Abernathy, M.D.Rockport, ME1093009219
  3. Andres Abreu, MDSouth Portland, ME1871939710
  4. Stephen Adams, D.O.Augusta, ME1548352768
  5. Deepika Agrawal, M.D.Waterville, ME1689773079
  6. Arlene Almazan, MDSkowhegan, ME1053426387
  7. Vijay Amarendran, MDBrewer, ME1669660015
  8. Robert Anderson, MDWaterville, ME1073535530
  9. Hilary Andrew, MDPortland, ME1902177272
  10. Nicholas Anthony, MDBangor, ME1598261737

Common questions

What is John Tweed, MD's NPI number?

John Tweed, MD's National Provider Identifier (NPI) is 1992802003, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Tweed, MD located?

The NPPES record lists a practice address at 932 Congress St, Portland, ME, 04102. Phone: (207) 662-3097. Providers update this record themselves, so call before visiting.

How can I verify John Tweed, MD's license?

NPPES lists Maine license number 015119, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

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 Aug 27, 2026.