DR. LEONARD MARK GELMAN M.D.
NPI 1326066994
Family Medicine in Ballston Spa, NY
About Dr. Leonard Mark Gelman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LEONARD MARK GELMAN M.D. (NPI 1326066994) is an individual family medicine provider in Ballston Spa, New York, licensed in New York (166891) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Leonard Mark Gelman M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Leonard Gelman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Princess Anne, MD 21853
- Reassigned Medicare billing, New York enrollment
- 325 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 12020 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALLSTON SPA, NY 12020
BALLSTON SPA, NY 12020
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 Leonard Gelman's NPI number?
The NPI number for Leonard Gelman is 1326066994. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Leonard Gelman located?
Leonard Gelman practices at 20 Prospect St, Ballston Spa, NY 12020. The listed phone number is (518) 885-6721.
What is Leonard Gelman's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Leonard Gelman enrolled in Medicare?
Yes. Leonard Gelman is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Leonard Gelman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leonard Gelman reassigns Medicare benefits to Medical Director Services PC (Princess Anne, MD). 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 Leonard Gelman'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 Leonard Gelman was last updated on January 31, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.