SHELDON FIRSTENBERG PSY.D.
NPI 1205846094
Psychologist in New York, NY
About Sheldon Firstenberg Psy.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHELDON FIRSTENBERG PSY.D. (NPI 1205846094) is an individual psychologist in New York, New York, licensed in New York (9623) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sheldon Firstenberg Psy.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sheldon Firstenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10016
- Reassigned Medicare billing, New York enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sheldon Firstenberg's NPI number?
The NPI number for Sheldon Firstenberg is 1205846094. It was assigned to this individual provider in the NPPES registry on August 8, 2006.
Where is Sheldon Firstenberg located?
Sheldon Firstenberg practices at 118 E 28th St Rm 315, New York, NY 10016. The listed phone number is (212) 545-0249.
What is Sheldon Firstenberg's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Sheldon Firstenberg enrolled in Medicare?
Yes. Sheldon Firstenberg is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sheldon Firstenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sheldon Firstenberg reassigns Medicare benefits to Sheldon Firstenberg, Psyd, PLLC (New York, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sheldon Firstenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sheldon Firstenberg was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.