ROBERT SEMIDEY M.D.
NPI 1942696257
Anesthesiology in Kenmore, NY
About Robert Semidey M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT SEMIDEY M.D. (NPI 1942696257) is an individual anesthesiology provider in Kenmore, New York, licensed in New York (296396) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Robert Semidey M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Robert Semidey reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Buffalo, NY 14214
- Reassigned Medicare billing, New York enrollment
- 117 clinicians in this Medicare group
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 21 clinicians in this Medicare group
Buffalo, NY 14203
- Reassigned Medicare billing, New York enrollment
- 182 clinicians in this Medicare group
Buffalo, NY 14220
- Reassigned Medicare billing, New York enrollment
- 40 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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KENMORE, NY 14217
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 Robert Semidey's NPI number?
The NPI number for Robert Semidey is 1942696257. It was assigned to this individual provider in the NPPES registry on April 13, 2015.
Where is Robert Semidey located?
Robert Semidey practices at 2950 Elmwood Avenue (kenmore Mercy Hospital), Kenmore, NY 14217. The listed phone number is (716) 874-1098.
What is Robert Semidey's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Robert Semidey enrolled in Medicare?
Yes. Robert Semidey is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Semidey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Semidey reassigns Medicare benefits to 4 organizations: Parkside Medical Anesthesia Associates (Buffalo, NY), Northtowns Ambulatory Surgery Center, LLC (Williamsville, NY), Great Lakes Anesthesiology, PC (Buffalo, NY) and Abbott Anesthesiologist Associates PC (Buffalo, 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 Robert Semidey'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 Robert Semidey was last updated on June 28, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.