DONALD B. FEINSOD, M.D.,P.C.
NPI 1740564574
Dermatology in Hewlett, NY
About Donald B. Feinsod, M.d.,p.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DONALD B. FEINSOD, M.D.,P.C. (NPI 1740564574) is a healthcare organization registered as a dermatology in Hewlett, New York and active in the NPI registry since September 2011. The organization lists Donald B Feinsod, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Donald B. Feinsod, M.d.,p.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Donald B. Feinsod, M.D.,p.C., which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Donald B. Feinsod, M.D.,p.C.'s NPI number?
The NPI number for Donald B. Feinsod, M.D.,p.C. is 1740564574. It was assigned to this organization in the NPPES registry on September 28, 2011.
Where is Donald B. Feinsod, M.D.,p.C. located?
Donald B. Feinsod, M.D.,p.C. is located at 1605 Broadway, Hewlett, NY 11557. The listed phone number is (516) 374-4422.
What is Donald B. Feinsod, M.D.,p.C.'s specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Donald B. Feinsod, M.D.,p.C. enrolled in Medicare?
Yes. Donald B. Feinsod, M.D.,p.C. is registered in the Medicare PECOS enrollment system.
When is Donald B. Feinsod, M.D.,p.C.'s Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New York, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Donald B. Feinsod, M.D.,p.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Dermatology) reassigns their Medicare billing to Donald B. Feinsod, M.D.,p.C.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Donald B. Feinsod, M.D.,p.C. was last updated on September 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.