Roslyn Gerwin, D.O.
Psychiatry Physician · South Portland, ME
Roslyn Gerwin, D.O. is a psychiatry physician with a practice address in South Portland, Maine, and NPI 1710274709, issued on Jun 29, 2011. Check the license (Maine DO2494, 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.
- Name
- Roslyn Gerwin
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- DO2494 ME
248075 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Southborough Dr, South Portland, ME 04106
- Phone
- (207) 661-2000
- Enumerated
- Jun 29, 2011
- Record last updated
- Aug 18, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 326 in Maine → Look up another NPI →
Also registered at 300 Southborough Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christen Spicer, AGACNPGerontology Nurse Practitioner1760158406
Verify Roslyn Gerwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license DO2494Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Roslyn Gerwin among 326 psychiatry physician records in Maine
Roslyn Gerwin, D.O. is one of 326 psychiatry physician records with a practice address in Maine. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2011, is newer than 74% of them.
- NPI issued2011 · 74% of these records are older, 24% newer
- In a Medicare fileNo · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 44% of these records are
- Record last updated2016 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Maine
There are 326 psychiatry physician records in Maine. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 326 in Maine → Every provider in South Portland → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Andres Abreu, MDSouth Portland, ME 041061871939710
- Fernando Barrera, M.D.South Portland, ME 041061023420221
- Edward Bilotti, MDSouth Portland, ME 041061740344902
- Francine Blattner, MDSouth Portland, ME 041061265442826
- Sarah Kim, M.D.South Portland, ME 041061467779181
- John Newcomb, M.D.South Portland, ME 041061699975151
- Nicholas Piotrowski, MDSouth Portland, ME 041061134440803
- John Powell, MDSouth Portland, ME 041061730619610
Common questions
What is Roslyn Gerwin, D.O.'s NPI number?
Roslyn Gerwin, D.O.'s National Provider Identifier (NPI) is 1710274709, issued on Jun 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Roslyn Gerwin, D.O. located?
The NPPES record lists a practice address at 300 Southborough Dr, South Portland, ME, 04106. Phone: (207) 661-2000. Providers update this record themselves, so call before visiting.
How can I verify Roslyn Gerwin, D.O.'s license?
NPPES lists Maine license number DO2494, 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. 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.