William Heasley, PSY.D.
NPI 1588728513 · Clinical Psychologist · Gloucester, MA
William Heasley, PSY.D. is a Clinical Psychologist provider in Gloucester, MA (NPI 1588728513).
Provider details
- NPI number
- 1588728513
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 7033 (MA)
Specialties & taxonomies
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
- 2006-12-21
- Last updated
- 2013-06-20
Frequently asked questions
- What is William Heasley's NPI number?
- William Heasley's National Provider Identifier (NPI) is 1588728513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Heasley's specialty?
- William Heasley is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Heasley located?
- William Heasley's practice location on file with NPPES is 85 Eastern Ave, Gloucester, MA 01930-1869.
- What is William Heasley's phone number?
- The practice phone number listed in the NPPES registry for William Heasley is (978) 282-8281.
- Is William Heasley's NPI active?
- Yes — William Heasley's NPI (1588728513) is active in the NPPES registry as of the last update on 2013-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.