IndividualActive
Walter Willett, M.D.
NPI 1932220001 · Internal Medicine Physician · Boston, MA
Walter Willett, M.D. is a Internal Medicine Physician provider in Boston, MA (NPI 1932220001).
Provider details
- NPI number
- 1932220001
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 33645 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
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
Harv Schl of Public Hlth
677 Huntington Avenue
Boston, MA 02115
Phone: (617) 432-4680
Approximate (ZIP-level) locationGet directions
Mailing address
72 Chestnut St
Cambridge, MA 02139-4836
Registry dates
- Enumerated
- 2007-04-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Walter Willett's NPI number?
- Walter Willett's National Provider Identifier (NPI) is 1932220001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Willett's specialty?
- Walter Willett is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Willett located?
- Walter Willett's practice location on file with NPPES is Harv Schl of Public Hlth, Boston, MA 02115.
- What is Walter Willett's phone number?
- The practice phone number listed in the NPPES registry for Walter Willett is (617) 432-4680.
- Is Walter Willett's NPI active?
- Yes — Walter Willett's NPI (1932220001) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.