Vivian Mendelsohn, PH.D.
NPI 1952497505 · Clinical Psychologist · Northport, NY
Vivian Mendelsohn, PH.D. is a Clinical Psychologist provider in Northport, NY (NPI 1952497505).
Provider details
- NPI number
- 1952497505
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 006515 (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
- 2006-10-04
- Last updated
- 2007-07-11
Frequently asked questions
- What is Vivian Mendelsohn's NPI number?
- Vivian Mendelsohn's National Provider Identifier (NPI) is 1952497505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Mendelsohn's specialty?
- Vivian Mendelsohn is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Vivian Mendelsohn located?
- Vivian Mendelsohn's practice location on file with NPPES is 79 Middleville Rd, Northport, NY 11768-2200.
- What is Vivian Mendelsohn's phone number?
- The practice phone number listed in the NPPES registry for Vivian Mendelsohn is (631) 261-4400.
- Is Vivian Mendelsohn's NPI active?
- Yes — Vivian Mendelsohn's NPI (1952497505) is active in the NPPES registry as of the last update on 2007-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.