William Flanagan, PSY.D.
NPI 1407058035 · Marriage & Family Therapist · Springfield, MA
William Flanagan, PSY.D. is a Marriage & Family Therapist provider in Springfield, MA (NPI 1407058035).
Provider details
- NPI number
- 1407058035
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 179 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-06-05
- Last updated
- 2025-09-11
Frequently asked questions
- What is William Flanagan's NPI number?
- William Flanagan's National Provider Identifier (NPI) is 1407058035, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Flanagan's specialty?
- William Flanagan is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Flanagan located?
- William Flanagan's practice location on file with NPPES is 300 Carew St, Springfield, MA 01104-2485.
- What is William Flanagan's phone number?
- The practice phone number listed in the NPPES registry for William Flanagan is (413) 781-5050.
- Is William Flanagan's NPI active?
- Yes — William Flanagan's NPI (1407058035) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.