William Winchell, MD
NPI 1831169531 · Rheumatology Physician · Newton, MA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Winchell, MD is a Rheumatology Physician provider in Newton, MA (NPI 1831169531).
Provider details
- NPI number
- 1831169531
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 49127 (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
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
- 2006-01-25
- Last updated
- 2008-03-26
Frequently asked questions
- What is William Winchell's NPI number?
- William Winchell's National Provider Identifier (NPI) is 1831169531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Winchell's specialty?
- William Winchell is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Winchell located?
- William Winchell's practice location on file with NPPES is 2000 Washington St, Newton, MA 02462-1650.
- What is William Winchell's phone number?
- The practice phone number listed in the NPPES registry for William Winchell is (617) 964-8497.
- Does William Winchell accept Medicare?
- William Winchell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Winchell's NPI active?
- Yes — William Winchell's NPI (1831169531) is active in the NPPES registry as of the last update on 2008-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.