Alison Tam, M.D.
NPI 1427378777 · Psychiatry Physician · Boston, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alison Tam, M.D. is a Psychiatry Physician provider in Boston, MA (NPI 1427378777).
Provider details
- NPI number
- 1427378777
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 259291 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 91 | 20 |
| Quetiapine Fumarate | 73 | 13 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 63 | — |
| Duloxetine Hcl | 61 | — |
| Aripiprazole | 45 | 15 |
| Trazodone Hcl | 44 | — |
| Fluoxetine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-09
- Last updated
- 2015-09-01
Frequently asked questions
- What is Alison Tam's NPI number?
- Alison Tam's National Provider Identifier (NPI) is 1427378777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alison Tam's specialty?
- Alison Tam is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Alison Tam located?
- Alison Tam's practice location on file with NPPES is 1 Boston Medical Ctr Pl, Boston, MA 02118-2908.
- What is Alison Tam's phone number?
- The practice phone number listed in the NPPES registry for Alison Tam is (617) 414-5245.
- Does Alison Tam accept Medicare?
- Alison Tam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alison Tam's NPI active?
- Yes — Alison Tam's NPI (1427378777) is active in the NPPES registry as of the last update on 2015-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.