Jay W. Baer, MD
Psychiatry Physician · Boston, MA
Jay W. Baer, MD is a psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1427014323, issued on Apr 21, 2006. Check the license (Massachusetts 59476, 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
- Jay W. Baer
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 59476 MA
Self-reported in NPPES; status is on the state search - Practice location
- 221 Longwood Avenue, Boston, MA 02115
- Phone
- (617) 732-6753
- Enumerated
- Apr 21, 2006
- Record last updated
- Jun 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
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Verify Jay W. 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 59476Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jay W. Baer among 2,736 psychiatry physician records in Massachusetts
Jay W. Baer, MD is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 51% newer
- In a Medicare fileNo · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2012 · 62% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
845 psychiatry physician records list a practice address in Boston
They are 845 of the 41,865 NPPES records with a practice address in Boston, and 2,736 psychiatry physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,736 in Massachusetts → Every provider in Boston → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Susan Block, MDBoston, MA 021151083681563
- Ilana Braun, M.D.Boston, MA 021151760443006
- Alison Fife, MDBoston, MA 021151477545143
- Melissa Frumin, MD MSBoston, MA 021151659337871
- David Gitlin, MDBoston, MA 021151720078967
- Randy Glassman, MDBoston, MA 021151316937543
- Christine Kim, MDBoston, MA 021151942266283
- Sarah Minden, MDBoston, MA 021151629059142
Common questions
What is Jay W. Baer, MD's NPI number?
Jay W. Baer, MD's National Provider Identifier (NPI) is 1427014323, issued on Apr 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jay W. Baer, MD located?
The NPPES record lists a practice address at 221 Longwood Avenue, Boston, MA, 02115. Phone: (617) 732-6753. Providers update this record themselves, so call before visiting.
How can I verify Jay W. Baer, MD's license?
NPPES lists Massachusetts license number 59476, 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.