William Fitzgerald, PSY.D.
NPI 1659636496 · Clinical Psychologist · Quincy, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Fitzgerald, PSY.D. is a Clinical Psychologist provider in Quincy, MA (NPI 1659636496).
Provider details
- NPI number
- 1659636496
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
Behavioral Health & Social Service Providers
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
13 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2012-07-09
- Last updated
- 2016-09-09
Frequently asked questions
- What is William Fitzgerald's NPI number?
- William Fitzgerald's National Provider Identifier (NPI) is 1659636496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fitzgerald's specialty?
- William Fitzgerald is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Fitzgerald located?
- William Fitzgerald's practice location on file with NPPES is 1250 Hancock St, Quincy, MA 02169-4339.
- What is William Fitzgerald's phone number?
- The practice phone number listed in the NPPES registry for William Fitzgerald is (617) 774-0920.
- Does William Fitzgerald accept Medicare?
- William Fitzgerald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Fitzgerald's NPI active?
- Yes — William Fitzgerald's NPI (1659636496) is active in the NPPES registry as of the last update on 2016-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.