Stephen Baer, MD
Obstetrics & Gynecology Physician · Boston, MA
Stephen Baer, MD is an obstetrics & gynecology physician with a practice address in Boston, Massachusetts, and NPI 1578528568, issued on Apr 20, 2006. Check the license (Massachusetts 36391, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Stephen Baer
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 36391 MA
Self-reported in NPPES; status is on the state search - Practice location
- 165 Dartmouth St, Boston, MA 02116
- Phone
- (617) 859-5250
- Enumerated
- Apr 20, 2006
- Record last updated
- Jun 20, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (617) 859-5250
- Medicaid ID
- 2040379 MA
- Entity
- Type 1 · individual
Also registered at 165 Dartmouth St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bryan Bordeaux, D.O.Internal Medicine Physician1972560696
- Mary Carson, MDObstetrics & Gynecology Physician1356308787
- Mackenzie Casey, FNP-BC, RNPrimary Care Nurse Practitioner1033897731
- Michelle Chan, FNP-BCFamily Nurse Practitioner1952003386
- Sameer Chinoy, MDFamily Medicine Physician1770677767
- Linda Cohen, M.D.Pediatrics Physician1144207887
Verify Stephen Baer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 36391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Obstetrics & Gynecology Physician providers in Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other obstetrics & gynecology physician records in Massachusetts
- Mary Kathryn Abel, ABBoston, MA1699415778
- Marie Elise Abi Antoun, MDBoston, MA1356042626
- Ashley Ackerman, MDBrookline, MA1205930625
- Christina Acocella, M.D.Framingham, MA1487090023
- Kirsten AdamsBoston, MA1477203446
- Tejumola Adegoke, MDBoston, MA1356768600
- David Adelstein, D.O.Wareham, MA1619994290
- William Agel, MDHyannis, MA1871560375
- Agnes Ahn, DONorwood, MA1508848722
- Tracey Akanbi, M.D.Boston, MA1649686874
Common questions
What is Stephen Baer, MD's NPI number?
Stephen Baer, MD's National Provider Identifier (NPI) is 1578528568, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Baer, MD located?
The NPPES record lists a practice address at 165 Dartmouth St, Boston, MA, 02116. Phone: (617) 859-5250. Providers update this record themselves, so call before visiting.
How can I verify Stephen Baer, MD's license?
NPPES lists Massachusetts license number 36391, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. 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.