Alexander Tsai, M.D., PH.D.
NPI 1316047319 · Psychiatry Physician · Boston, MA
Alexander Tsai, M.D., PH.D. is a Psychiatry Physician provider in Boston, MA (NPI 1316047319).
Provider details
- NPI number
- 1316047319
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ML20008744 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 55 Fruit StBoston, MA 02114Phone: (617) 643-0795Fax: (617) 724-0354
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2019-10-21
Frequently asked questions
- What is Alexander Tsai's NPI number?
- Alexander Tsai's National Provider Identifier (NPI) is 1316047319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Tsai's specialty?
- Alexander Tsai is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Tsai located?
- Alexander Tsai's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114.
- What is Alexander Tsai's phone number?
- The practice phone number listed in the NPPES registry for Alexander Tsai is (617) 643-0795.
- Is Alexander Tsai's NPI active?
- Yes — Alexander Tsai's NPI (1316047319) is active in the NPPES registry as of the last update on 2019-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.