Jack Jaffe, M.D.
NPI 1891904678 · Pain Medicine (Anesthesiology) Physician · Watertown, MA
Jack Jaffe, M.D. is a Pain Medicine (Anesthesiology) Physician provider in Watertown, MA (NPI 1891904678).
Provider details
- NPI number
- 1891904678
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 44376 (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
- 2007-05-21
- Last updated
- 2008-02-26
Frequently asked questions
- What is Jack Jaffe's NPI number?
- Jack Jaffe's National Provider Identifier (NPI) is 1891904678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Jaffe's specialty?
- Jack Jaffe is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Jaffe located?
- Jack Jaffe's practice location on file with NPPES is 15 Main St, Watertown, MA 02472-4403.
- What is Jack Jaffe's phone number?
- The practice phone number listed in the NPPES registry for Jack Jaffe is (877) 476-3866.
- Is Jack Jaffe's NPI active?
- Yes — Jack Jaffe's NPI (1891904678) is active in the NPPES registry as of the last update on 2008-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.