Gregory Petrosky, ED.D
NPI 1538228838 · Psychologist · South Hadley, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Petrosky, ED.D is a Psychologist provider in South Hadley, MA (NPI 1538228838).
Provider details
- NPI number
- 1538228838
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- ED.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6943 (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
- 2006-12-06
- Last updated
- 2015-03-31
Frequently asked questions
- What is Gregory Petrosky's NPI number?
- Gregory Petrosky's National Provider Identifier (NPI) is 1538228838, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Petrosky's specialty?
- Gregory Petrosky is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Gregory Petrosky located?
- Gregory Petrosky's practice location on file with NPPES is 29 College St, South Hadley, MA 01075-1156.
- What is Gregory Petrosky's phone number?
- The practice phone number listed in the NPPES registry for Gregory Petrosky is (413) 532-3125.
- Does Gregory Petrosky accept Medicare?
- Gregory Petrosky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Petrosky's NPI active?
- Yes — Gregory Petrosky's NPI (1538228838) is active in the NPPES registry as of the last update on 2015-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.