Jacob Kagan, M.D.
NPI 1336282565 · Psychiatry Physician · Boston, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Kagan, M.D. is a Psychiatry Physician provider in Boston, MA (NPI 1336282565).
Provider details
- NPI number
- 1336282565
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 234622 (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
19 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-15
- Last updated
- 2021-08-17
- Certified
- 2021-08-17
Frequently asked questions
- What is Jacob Kagan's NPI number?
- Jacob Kagan's National Provider Identifier (NPI) is 1336282565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Kagan's specialty?
- Jacob Kagan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Kagan located?
- Jacob Kagan's practice location on file with NPPES is 30 Winter St, Boston, MA 02108-4720.
- What is Jacob Kagan's phone number?
- The practice phone number listed in the NPPES registry for Jacob Kagan is (617) 426-0600.
- Does Jacob Kagan accept Medicare?
- Jacob Kagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Kagan's NPI active?
- Yes — Jacob Kagan's NPI (1336282565) is active in the NPPES registry as of the last update on 2021-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.