IndividualActive
Gerard Mcnicholas, PSY.D.
NPI 1558995613 · Clinical Psychologist · Islandia, NY
Gerard Mcnicholas, PSY.D. is a Clinical Psychologist provider in Islandia, NY (NPI 1558995613).
Provider details
- NPI number
- 1558995613
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 023665 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(64/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
3760 Expressway Dr S Fl 1
Islandia, NY 11749-5522
Phone: (516) 302-7599
Street-level locationGet directions
Mailing address
3760 Expressway Dr S Fl 1
Islandia, NY 11749-5522
Registry dates
- Enumerated
- 2020-02-27
- Last updated
- 2020-02-27
- Certified
- 2020-02-27
Frequently asked questions
- What is Gerard Mcnicholas's NPI number?
- Gerard Mcnicholas's National Provider Identifier (NPI) is 1558995613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerard Mcnicholas's specialty?
- Gerard Mcnicholas is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gerard Mcnicholas located?
- Gerard Mcnicholas's practice location on file with NPPES is 3760 Expressway Dr S Fl 1, Islandia, NY 11749-5522.
- What is Gerard Mcnicholas's phone number?
- The practice phone number listed in the NPPES registry for Gerard Mcnicholas is (516) 302-7599.
- Is Gerard Mcnicholas's NPI active?
- Yes — Gerard Mcnicholas's NPI (1558995613) is active in the NPPES registry as of the last update on 2020-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.