Daniel Simpson Crothers, M.D.
Family Medicine Physician · Portland, ME
Daniel Simpson Crothers, M.D. is a family medicine physician with a practice address in Portland, Maine, and NPI 1336601996, issued on Apr 3, 2019. Check the license (Maine MD26333, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Daniel Simpson Crothers
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD26333 ME
Self-reported in NPPES; status is on the state search - Practice location
- 331 Veranda St Bldg 6, Portland, ME 04103
- Phone
- (207) 409-5211
- Enumerated
- Apr 3, 2019
- Record last updated
- Mar 9, 2023
- Medicare enrollment
- Enrolled (PECOS I20221031000908); may accept 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.
- Margaret LothianFamily Medicine Physician1720890122
Verify Daniel Simpson Crothers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD26333Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average family medicine physician in 2024
2,640 Medicare Part D claims for 348 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 104 claims were for opioids.
Most prescribed
- Atorvastatin Calcium190 claims
- Lisinopril134 claims
- Rosuvastatin Calcium103 claims
- Levothyroxine Sodium96 claims
- Losartan Potassium96 claims
- Metformin Hcl69 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Martin's Point Health Care, Inc.Portland, ME
- Riverview Physical Therapy Limited PartnershipYarmouth, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Simpson Crothers among 1,172 family medicine physician records in Maine
Daniel Simpson Crothers, M.D. 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 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2019 · median 2008 among the 668 with a school on file
- Record last updated2023 · 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 Daniel Simpson Crothers, M.D.'s NPI number?
Daniel Simpson Crothers, M.D.'s National Provider Identifier (NPI) is 1336601996, issued on Apr 3, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Simpson Crothers, M.D. located?
The NPPES record lists a practice address at 331 Veranda St Bldg 6, Portland, ME, 04103. Phone: (207) 409-5211. Providers update this record themselves, so call before visiting.
How can I verify Daniel Simpson Crothers, M.D.'s license?
NPPES lists Maine license number MD26333, 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.
How much does Daniel Simpson Crothers, M.D. prescribe under Medicare Part D?
In 2024, Daniel Simpson Crothers, M.D. had 2,640 Medicare Part D claims for 348 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.