IndividualActive
Tirrell De Gannes, PSY.D.
NPI 1336794742 · Psychologist · Hicksville, NY
Tirrell De Gannes, PSY.D. is a Psychologist provider in Hicksville, NY (NPI 1336794742).
Provider details
- NPI number
- 1336794742
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1629175039 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(66/100 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
400 S Oyster Bay Rd Ste 102
Hicksville, NY 11801-3500
Phone: (516) 818-8383
Street-level locationGet directions
Mailing address
10750 164th St
Jamaica, NY 11433-2435
Registry dates
- Enumerated
- 2019-08-03
- Last updated
- 2019-08-03
Frequently asked questions
- What is Tirrell De Gannes's NPI number?
- Tirrell De Gannes's National Provider Identifier (NPI) is 1336794742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tirrell De Gannes's specialty?
- Tirrell De Gannes is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Tirrell De Gannes located?
- Tirrell De Gannes's practice location on file with NPPES is 400 S Oyster Bay Rd Ste 102, Hicksville, NY 11801-3500.
- What is Tirrell De Gannes's phone number?
- The practice phone number listed in the NPPES registry for Tirrell De Gannes is (516) 818-8383.
- Is Tirrell De Gannes's NPI active?
- Yes — Tirrell De Gannes's NPI (1336794742) is active in the NPPES registry as of the last update on 2019-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.