DR. PETER S GELFAND DO
NPI 1639252299
Internal Medicine in Hicksville, NY
About Dr. Peter S Gelfand Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER S GELFAND DO (NPI 1639252299) is an individual internal medicine provider in Hicksville, New York, licensed in New York (1992861) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Peter S Gelfand Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Peter Gelfand reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hicksville, NY 11801
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Family And Children's Association
- 15 clinicians in this Medicare group
Brooklyn, NY 11201
- Reassigned Medicare billing, New York enrollment
- 4 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HICKSVILLE, NY 11801
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 Peter Gelfand's NPI number?
The NPI number for Peter Gelfand is 1639252299. It was assigned to this individual provider in the NPPES registry on October 24, 2006.
Where is Peter Gelfand located?
Peter Gelfand practices at 180 Broadway, Hicksville, NY 11801. The listed phone number is (516) 935-6858.
What is Peter Gelfand's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Peter Gelfand enrolled in Medicare?
Yes. Peter Gelfand is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Peter Gelfand's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Gelfand reassigns Medicare benefits to 2 organizations: Family And Children's Association - Hicksville (Hicksville, NY) and Center For Community Alternatives, Inc. (Brooklyn, NY). Each 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 Peter Gelfand'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 Peter Gelfand was last updated on September 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Peter S Gelfand, DO · NPI 1639252299
Internal Medicine physician in Hicksville, New York. Individual provider, active in the CMS NPPES registry since October 24, 2006.
## Identity
- **NPI:** 1639252299 (Entity type: Individual)
- **Enumerated:** October 24, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 1992861 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 180 BROADWAY, Hicksville, NY 11801-4230
- **Phone:** (516) 935-6858
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Family And Children's Association - Hicksville (NPI 1528159217, Hicksville, NY); Center For Community Alternatives, Inc. (NPI 1003008301, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 20, 2022
- **Other identifiers:** Medicaid 01751106 (NY); Medicaid 00384134 (NY); Other 1639252299 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1639252299) · Data from the CMS NPPES public registry.