Margaret Lothian
Family Medicine Physician · Portland, ME
Margaret Lothian is a family medicine physician with a practice address in Portland, Maine, and NPI 1720890122, issued on Jan 22, 2025. Check the license (Maine CNP251021, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Margaret Lothian
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- CNP251021 ME
Self-reported in NPPES; status is on the state search - Practice location
- 331 Veranda St Bldg 6, Portland, ME 04103
- Phone
- (207) 828-2402
- Enumerated
- Jan 22, 2025
- Record last updated
- Jan 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20250218001286); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,172 in Maine → Look up another NPI →
Also registered at 331 Veranda St Bldg 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Crothers, M.D.Family Medicine Physician1336601996
Verify Margaret Lothian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license CNP251021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Martin's Point Health Care, Inc.Portland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Lothian among 1,172 family medicine physician records in Maine
Margaret Lothian is one of 1,172 family medicine physician records with a practice address in Maine. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 99% of them.
- NPI issued2025 · 99% of these records are older, under 1% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2024 · median 2008 among the 668 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
89 family medicine physician records list a practice address in Portland
They are 89 of the 6,022 NPPES records with a practice address in Portland, and 1,172 family medicine physician records in Maine.
All 1,172 in Maine → Every provider in Portland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Christopher Bartlett, M.D.Portland, ME 041031083656961
- Steven Brewster, MDPortland, ME 041031497851307
- Cathra Chappelle, MDPortland, ME 041031912957069
- Patrick Connolly, MDPortland, ME 041031982655098
- Richard Entel, MDPortland, ME 041031760418990
- James Harper, MDPortland, ME 041031245286129
- Lewis Holmes, MDPortland, ME 041031649269184
- David Howes, MDPortland, ME 041031407802382
Common questions
What is Margaret Lothian's NPI number?
Margaret Lothian's National Provider Identifier (NPI) is 1720890122, issued on Jan 22, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Lothian located?
The NPPES record lists a practice address at 331 Veranda St Bldg 6, Portland, ME, 04103. Phone: (207) 828-2402. Providers update this record themselves, so call before visiting.
How can I verify Margaret Lothian's license?
NPPES lists Maine license number CNP251021, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.