Gary Mandell, PH.D.
NPI 1497884563 · Clinical Psychologist · Great Neck, NY
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Mandell, PH.D. is a Clinical Psychologist provider in Great Neck, NY (NPI 1497884563).
Provider details
- NPI number
- 1497884563
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6168-1 (NY)
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
- 2007-03-05
- Last updated
- 2007-07-09
Frequently asked questions
- What is Gary Mandell's NPI number?
- Gary Mandell's National Provider Identifier (NPI) is 1497884563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Mandell's specialty?
- Gary Mandell is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gary Mandell located?
- Gary Mandell's practice location on file with NPPES is 39 Maple Dr, Great Neck, NY 11021-1239.
- What is Gary Mandell's phone number?
- The practice phone number listed in the NPPES registry for Gary Mandell is (516) 466-0618.
- Does Gary Mandell accept Medicare?
- Gary Mandell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Mandell's NPI active?
- Yes — Gary Mandell's NPI (1497884563) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.