IndividualActive
William Shrank, MD
NPI 1164409629 · Internal Medicine Physician · Boston, MA
William Shrank, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1164409629).
Provider details
- NPI number
- 1164409629
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 226451 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
55 Francis St
Boston, MA 02115-6105
Phone: (617) 732-6049
Street-level locationGet directions
Mailing address
111 Cypress St
Brookline, MA 02445-6801
Registry dates
- Enumerated
- 2005-12-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Shrank's NPI number?
- William Shrank's National Provider Identifier (NPI) is 1164409629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Shrank's specialty?
- William Shrank is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Shrank located?
- William Shrank's practice location on file with NPPES is 55 Francis St, Boston, MA 02115-6105.
- What is William Shrank's phone number?
- The practice phone number listed in the NPPES registry for William Shrank is (617) 732-6049.
- Is William Shrank's NPI active?
- Yes — William Shrank's NPI (1164409629) 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.