Tamar Katz, MD, PHD
NPI 1235577230 · Psychiatry Physician · Boston, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tamar Katz, MD, PHD is a Psychiatry Physician provider in Boston, MA (NPI 1235577230).
Provider details
- NPI number
- 1235577230
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 265889 (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
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- Massachusetts General Hospital55 Fruit St.Boston, MA 02114Phone: (617) 724-5600
- 680 Centre StBrockton, MA 02302-3308Phone: (508) 941-7851Fax: (508) 941-6494
Registry dates
- Enumerated
- 2013-06-12
- Last updated
- 2019-08-22
Frequently asked questions
- What is Tamar Katz's NPI number?
- Tamar Katz's National Provider Identifier (NPI) is 1235577230, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tamar Katz's specialty?
- Tamar Katz is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Tamar Katz located?
- Tamar Katz's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115.
- What is Tamar Katz's phone number?
- The practice phone number listed in the NPPES registry for Tamar Katz is (617) 355-6000.
- Does Tamar Katz accept Medicare?
- Tamar Katz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tamar Katz's NPI active?
- Yes — Tamar Katz's NPI (1235577230) is active in the NPPES registry as of the last update on 2019-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.