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Elissa Siony, PSY.D.
NPI 1386723393 · Clinical Psychologist · Great Neck, NY
Elissa Siony, PSY.D. is a Clinical Psychologist provider in Great Neck, NY (NPI 1386723393).
Provider details
- NPI number
- 1386723393
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 015741 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
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
45 N Station Plz
Suite 307
Great Neck, NY 11021-5011
Phone: (917) 304-7961
Street-level locationGet directions
Mailing address
6 Orchard Rd
Great Neck, NY 11021-1021
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Elissa Siony's NPI number?
- Elissa Siony's National Provider Identifier (NPI) is 1386723393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elissa Siony's specialty?
- Elissa Siony is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Elissa Siony located?
- Elissa Siony's practice location on file with NPPES is 45 N Station Plz, Great Neck, NY 11021-5011.
- What is Elissa Siony's phone number?
- The practice phone number listed in the NPPES registry for Elissa Siony is (917) 304-7961.
- Is Elissa Siony's NPI active?
- Yes — Elissa Siony's NPI (1386723393) 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.