Cynthia Leong, PH.D.
NPI 1043411846 · Clinical Psychologist · Middle Island, NY
Cynthia Leong, PH.D. is a Clinical Psychologist provider in Middle Island, NY (NPI 1043411846).
Provider details
- NPI number
- 1043411846
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 016978 (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
- 2007-05-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Cynthia Leong's NPI number?
- Cynthia Leong's National Provider Identifier (NPI) is 1043411846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Leong's specialty?
- Cynthia Leong is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Cynthia Leong located?
- Cynthia Leong's practice location on file with NPPES is 35 Longwood Rd, Middle Island, NY 11953-2045.
- What is Cynthia Leong's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Leong is (631) 924-0008.
- Is Cynthia Leong's NPI active?
- Yes — Cynthia Leong's NPI (1043411846) 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.