OrganizationActive
Roy C. Grzesiak, PH.D., PC
NPI 1033357108 · Psychologist · Scotch Plains, NJ
Roy C. Grzesiak, PH.D., PC is a Psychologist organization in Scotch Plains, NJ (NPI 1033357108).
Provider details
- NPI number
- 1033357108
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Roy Grzesiak, President(908) 322-1313
- License
- SI100174900 (NJ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
567 Park Ave Ste 203
Scotch Plains, NJ 07076-1754
Phone: (908) 322-1313
Fax: (908) 322-1414
Street-level locationGet directions
Mailing address
567 Park Ave Ste 203
Scotch Plains, NJ 07076-1754
Registry dates
- Enumerated
- 2009-01-28
- Last updated
- 2009-01-28
Frequently asked questions
- What is Roy C. Grzesiak, PH.D., PC's NPI number?
- Roy C. Grzesiak, PH.D., PC's National Provider Identifier (NPI) is 1033357108, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Roy C. Grzesiak, PH.D., PC?
- Roy C. Grzesiak, PH.D., PC is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Roy C. Grzesiak, PH.D., PC located?
- Roy C. Grzesiak, PH.D., PC's practice location on file with NPPES is 567 Park Ave Ste 203, Scotch Plains, NJ 07076-1754.
- What is Roy C. Grzesiak, PH.D., PC's phone number?
- The practice phone number listed in the NPPES registry for Roy C. Grzesiak, PH.D., PC is (908) 322-1313.
- Who is the authorized official for Roy C. Grzesiak, PH.D., PC?
- The authorized official listed on Roy C. Grzesiak, PH.D., PC's NPPES record is Roy Grzesiak, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Roy C. Grzesiak, PH.D., PC's NPI active?
- Yes — Roy C. Grzesiak, PH.D., PC's NPI (1033357108) is active in the NPPES registry as of the last update on 2009-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.