William Fox, MD
NPI 1881651560 · Internal Medicine Physician · Sandwich, MA
William Fox, MD is a Internal Medicine Physician provider in Sandwich, MA (NPI 1881651560).
Provider details
- NPI number
- 1881651560
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 59349 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-04-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Fox's NPI number?
- William Fox's National Provider Identifier (NPI) is 1881651560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fox's specialty?
- William Fox is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Fox located?
- William Fox's practice location on file with NPPES is 68b Route 6a, Sandwich, MA 02563.
- What is William Fox's phone number?
- The practice phone number listed in the NPPES registry for William Fox is (508) 833-3285.
- Is William Fox's NPI active?
- Yes — William Fox's NPI (1881651560) 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.