Diagnostics, LLP
NPI 1891956413 · Psychologist · Hartsdale, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diagnostics, LLP is a Psychologist organization in Hartsdale, NY (NPI 1891956413).
Provider details
- NPI number
- 1891956413
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Jonathan Sinowitz, Psychologist/Chief Executive Office(914) 946-4466
- License
- 013434-1 (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
18 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
- 2008-06-17
- Last updated
- 2008-06-17
Frequently asked questions
- What is Diagnostics, LLP's NPI number?
- Diagnostics, LLP's National Provider Identifier (NPI) is 1891956413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Diagnostics, LLP?
- Diagnostics, LLP is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Diagnostics, LLP located?
- Diagnostics, LLP's practice location on file with NPPES is 111 N Central Ave, Hartsdale, NY 10530-1903.
- What is Diagnostics, LLP's phone number?
- The practice phone number listed in the NPPES registry for Diagnostics, LLP is (914) 946-4466.
- Does Diagnostics, LLP accept Medicare?
- Diagnostics, LLP is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Diagnostics, LLP?
- The authorized official listed on Diagnostics, LLP's NPPES record is Jonathan Sinowitz, Psychologist/Chief Executive Office. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Diagnostics, LLP's NPI active?
- Yes — Diagnostics, LLP's NPI (1891956413) is active in the NPPES registry as of the last update on 2008-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.