Robyn L. Ostrander, MD
Psychiatry Physician · Portland, ME
Robyn L. Ostrander, MD is a psychiatry physician with a practice address in Portland, Maine, and NPI 1952398851, issued on Oct 5, 2005. Check the license (Maine MD21185, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Robyn L. Ostrander
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- MD21185 ME
042-0010496 VT
Self-reported in NPPES; status is on the state search - Practice location
- 66 Bramhall St, Portland, ME 04102
- Phone
- (207) 662-3101
- Enumerated
- Oct 5, 2005
- Record last updated
- Mar 21, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (207) 662-6783
- Medicaid ID
- 1009376 VT
- Medicare enrollment
- Enrolled (PECOS I20161103000357); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2000
- Entity
- Type 1 · individual
Also registered at 66 Bramhall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Anderson, MDEmergency Medicine Physician1821124025
- Jeffrey Ball, MDInternal Medicine Physician1639515711
- Ashley Bartlett, PAPhysician Assistant1326769548
- Rachael Blake, MDGeriatric Medicine (Family Medicine) Physician1831357839
- Valerie Boisvert, LCSWClinical Social Worker1184165854
- Graham Botto, LCSWClinical Social Worker1528806585
Verify Robyn L. Ostrander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD21185Check 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
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
93 psychiatry physician records list a practice address in Portland
They are 93 of the 6,022 NPPES records with a practice address in Portland, and 326 psychiatry physician records in Maine.
All 93 in Portland → All 326 in Maine → Every provider in Portland →
Other psychiatry physician records in Maine
- Kathleen Abernathy, M.D.Yarmouth, ME1013169481
- Mac Abernathy, M.D.Rockport, ME1093009219
- Andres Abreu, MDSouth Portland, ME1871939710
- Stephen Adams, D.O.Augusta, ME1548352768
- Deepika Agrawal, M.D.Waterville, ME1689773079
- Arlene Almazan, MDSkowhegan, ME1053426387
- Vijay Amarendran, MDBrewer, ME1669660015
- Harold Amsel, MDEllsworth, ME1023228327
- Robert Anderson, MDWaterville, ME1073535530
- Hilary Andrew, MDPortland, ME1902177272
Common questions
What is Robyn L. Ostrander, MD's NPI number?
Robyn L. Ostrander, MD's National Provider Identifier (NPI) is 1952398851, issued on Oct 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robyn L. Ostrander, MD located?
The NPPES record lists a practice address at 66 Bramhall St, Portland, ME, 04102. Phone: (207) 662-3101. Providers update this record themselves, so call before visiting.
How can I verify Robyn L. Ostrander, MD's license?
NPPES lists Maine license number MD21185, 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.