Jean Schaffer, MD
NPI 1265450712 · Cardiovascular Disease Physician · Boston, MA
Jean Schaffer, MD is a Cardiovascular Disease Physician provider in Boston, MA (NPI 1265450712).
Provider details
- NPI number
- 1265450712
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 109775 (MO)
Specialties & taxonomies
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
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
- 2006-07-17
- Last updated
- 2020-08-19
- Certified
- 2020-08-19
Frequently asked questions
- What is Jean Schaffer's NPI number?
- Jean Schaffer's National Provider Identifier (NPI) is 1265450712, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jean Schaffer's specialty?
- Jean Schaffer is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Jean Schaffer located?
- Jean Schaffer's practice location on file with NPPES is 1 Joslin Pl, Boston, MA 02215-5394.
- What is Jean Schaffer's phone number?
- The practice phone number listed in the NPPES registry for Jean Schaffer is (617) 309-1928.
- Is Jean Schaffer's NPI active?
- Yes — Jean Schaffer's NPI (1265450712) is active in the NPPES registry as of the last update on 2020-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.