MARC SADOVNIC MD
NPI 1245313899
Internal Medicine - Nephrology in Geneva, NY
About Marc Sadovnic Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARC SADOVNIC MD (NPI 1245313899) is an individual nephrology provider in Geneva, New York, licensed in New York (190338) and active in the NPI registry since October 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)
Marc Sadovnic Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marc Sadovnic reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Geneva, NY 14456
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Western New York Medical Practice PC
- 1,030 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 14456 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 3
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Marc Sadovnic's NPI number?
The NPI number for Marc Sadovnic is 1245313899. It was assigned to this individual provider in the NPPES registry on October 24, 2006.
Where is Marc Sadovnic located?
Marc Sadovnic practices at 200 North St Suite 101, Geneva, NY 14456. The listed phone number is (315) 787-5100.
What is Marc Sadovnic's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Marc Sadovnic enrolled in Medicare?
Yes. Marc Sadovnic is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marc Sadovnic's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Sadovnic reassigns Medicare benefits to Western New York Medical Practice, P.C. (Geneva, 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 Marc Sadovnic'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 Marc Sadovnic was last updated on June 28, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.