Sivan Erstein, PSY.D.
NPI 1952604134 · Clinical Psychologist · Great Neck, NY
Sivan Erstein, PSY.D. is a Clinical Psychologist provider in Great Neck, NY (NPI 1952604134).
Provider details
- NPI number
- 1952604134
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 017318 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
- School Psychologist103TS0200X
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
15 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
- 2010-12-10
- Last updated
- 2010-12-10
Frequently asked questions
- What is Sivan Erstein's NPI number?
- Sivan Erstein's National Provider Identifier (NPI) is 1952604134, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sivan Erstein's specialty?
- Sivan Erstein is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Sivan Erstein located?
- Sivan Erstein's practice location on file with NPPES is 105 Clover Dr, Great Neck, NY 11021-1031.
- What is Sivan Erstein's phone number?
- The practice phone number listed in the NPPES registry for Sivan Erstein is (516) 441-4970.
- Is Sivan Erstein's NPI active?
- Yes — Sivan Erstein's NPI (1952604134) is active in the NPPES registry as of the last update on 2010-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.