Alison Tam, M.D.
Psychiatry Physician · Boston, MA
Alison Tam, M.D. is a psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1427378777, issued on Jun 9, 2010. Check the license (Massachusetts 259291, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Alison Tam
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 259291 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Boston Medical Ctr PL, Boston, MA 02118
- Phone
- (617) 414-5245
- Enumerated
- Jun 9, 2010
- Record last updated
- Sep 1, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141010000792); may accept Medicare assignment
- Medical or professional school
- Florida State University College Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Also registered at 1 Boston Medical Ctr PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Priscilla AguilarStudent in an Organized Health Care Education/Training Program1033838792
Verify Alison Tam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 259291Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average psychiatry physician in 2024
996 Medicare Part D claims for 84 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Sertraline Hcl91 claims
- Quetiapine Fumarate73 claims
- Venlafaxine Hcl Er63 claims
- Duloxetine Hcl61 claims
- Aripiprazole45 claims
- Trazodone Hcl44 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 3 group practices
- Manet Community Health Center, Inc.Quincy, MA
- Mattapan Community Health Center, Inc.Boston, MA
- Uphams Corner Health Committee IncDorchester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alison Tam among 2,736 psychiatry physician records in Massachusetts
Alison Tam, M.D. 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. Its NPI, issued in 2010, is newer than 68% of them.
- NPI issued2010 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2010 · median 2005 among the 1,219 with a school on file
- Record last updated2015 · 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.
All 2,736 in Massachusetts → Every provider in Boston → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Isidore Berenbaum, M.D.Boston, MA 021181245256668
- James Bonnar, MDBoston, MA 021181285662023
- Andrew Brown, M.D.Boston, MA 021181508805698
- Anne Calabresi, MDBoston, MA 021181245296441
- Todd Carranza, M.D.Boston, MA 021181659313047
- David Henderson, MDBoston, MA 021181699759076
- Karen Henley, MDBoston, MA 021181215919766
- Robert Irvin, M.D.Boston, MA 021181063459170
Common questions
What is Alison Tam, M.D.'s NPI number?
Alison Tam, M.D.'s National Provider Identifier (NPI) is 1427378777, issued on Jun 9, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Alison Tam, M.D. located?
The NPPES record lists a practice address at 1 Boston Medical Ctr PL, Boston, MA, 02118. Phone: (617) 414-5245. Providers update this record themselves, so call before visiting.
How can I verify Alison Tam, M.D.'s license?
NPPES lists Massachusetts license number 259291, 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.
How much does Alison Tam, M.D. prescribe under Medicare Part D?
In 2024, Alison Tam, M.D. had 996 Medicare Part D claims for 84 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.