Sheldon Firstenberg, Psyd, PLLC
NPI 1164254470 · Psychologist · New York, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sheldon Firstenberg, Psyd, PLLC is a Psychologist organization in New York, NY (NPI 1164254470).
Provider details
- NPI number
- 1164254470
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Sheldon Firstenberg, Psychologist(917) 859-5877
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
1 yr 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
- 2024-08-15
- Last updated
- 2024-08-26
- Certified
- 2024-08-26
Frequently asked questions
- What is Sheldon Firstenberg, Psyd, PLLC's NPI number?
- Sheldon Firstenberg, Psyd, PLLC's National Provider Identifier (NPI) is 1164254470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sheldon Firstenberg, Psyd, PLLC?
- Sheldon Firstenberg, Psyd, PLLC is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Sheldon Firstenberg, Psyd, PLLC located?
- Sheldon Firstenberg, Psyd, PLLC's practice location on file with NPPES is 150 E 27th St Apt 2d, New York, NY 10016-9051.
- What is Sheldon Firstenberg, Psyd, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Sheldon Firstenberg, Psyd, PLLC is (917) 859-5877.
- Does Sheldon Firstenberg, Psyd, PLLC accept Medicare?
- Sheldon Firstenberg, Psyd, PLLC 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 Sheldon Firstenberg, Psyd, PLLC?
- The authorized official listed on Sheldon Firstenberg, Psyd, PLLC's NPPES record is Sheldon Firstenberg, Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sheldon Firstenberg, Psyd, PLLC's NPI active?
- Yes — Sheldon Firstenberg, Psyd, PLLC's NPI (1164254470) is active in the NPPES registry as of the last update on 2024-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.