IndividualActive
John Oleski, PHD
NPI 1265641369 · Psychologist · Rockland, MA
John Oleski, PHD is a Psychologist provider in Rockland, MA (NPI 1265641369).
Provider details
- NPI number
- 1265641369
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 3707 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
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
100 Ledgewood Pl
Suite 202
Rockland, MA 02370-1075
Phone: (781) 871-6550
Street-level locationGet directions
Mailing address
399 Marsh St
Belmont, MA 02478-1107
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Oleski's NPI number?
- John Oleski's National Provider Identifier (NPI) is 1265641369, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Oleski's specialty?
- John Oleski is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is John Oleski located?
- John Oleski's practice location on file with NPPES is 100 Ledgewood Pl, Rockland, MA 02370-1075.
- What is John Oleski's phone number?
- The practice phone number listed in the NPPES registry for John Oleski is (781) 871-6550.
- Is John Oleski's NPI active?
- Yes — John Oleski's NPI (1265641369) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.