William F. Flynn Jr. MD PC
NPI 1023209186 · Surgery Physician · Arlington, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William F. Flynn Jr. MD PC is a Surgery Physician organization in Arlington, MA (NPI 1023209186).
Provider details
- NPI number
- 1023209186
- Entity type
- Organization
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Flynn, President(781) 643-6313
- License
- 32293 (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
18 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
- 2007-08-05
- Last updated
- 2007-08-05
Frequently asked questions
- What is William F. Flynn Jr. MD PC's NPI number?
- William F. Flynn Jr. MD PC's National Provider Identifier (NPI) is 1023209186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William F. Flynn Jr. MD PC?
- William F. Flynn Jr. MD PC is classified in the NPPES registry as Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William F. Flynn Jr. MD PC located?
- William F. Flynn Jr. MD PC's practice location on file with NPPES is 22 Mill St, Arlington, MA 02476-4784.
- What is William F. Flynn Jr. MD PC's phone number?
- The practice phone number listed in the NPPES registry for William F. Flynn Jr. MD PC is (781) 643-6313.
- Does William F. Flynn Jr. MD PC accept Medicare?
- William F. Flynn Jr. MD PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for William F. Flynn Jr. MD PC?
- The authorized official listed on William F. Flynn Jr. MD PC's NPPES record is William Flynn, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William F. Flynn Jr. MD PC's NPI active?
- Yes — William F. Flynn Jr. MD PC's NPI (1023209186) is active in the NPPES registry as of the last update on 2007-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.