DR. JOHN MICHAEL CILNYK M.D.
NPI 1003109000
Anesthesiology in Niagara Falls, NY
About Dr. John Michael Cilnyk M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN MICHAEL CILNYK M.D. (NPI 1003109000) is an individual anesthesiology provider in Niagara Falls, New York, licensed in New York (279588) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, is affiliated with Niagara Falls Memorial Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Michael Cilnyk M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show John Cilnyk 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
Buffalo, NY 14215
- Reassigned Medicare billing, New York enrollment
- 66 clinicians in this Medicare group
Buffalo, NY 14220
- Reassigned Medicare billing, New York enrollment
- 40 clinicians in this Medicare group
Melville, NY 11747
- Reassigned Medicare billing, New York enrollment
- 508 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Niagara Falls Memorial Medical Center
Acute Care Hospitals · Niagara Falls, NYSisters Of Charity Hospital
Acute Care Hospitals · Buffalo, NYOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NIAGARA FALLS, NY 14301
NIAGARA FALLS, NY 14301
NIAGARA FALLS, NY 14301
NIAGARA FALLS, NY 14301
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 John Cilnyk's NPI number?
The NPI number for John Cilnyk is 1003109000. It was assigned to this individual provider in the NPPES registry on May 24, 2011.
Where is John Cilnyk located?
John Cilnyk practices at 621 10th St, Niagara Falls, NY 14301. The listed phone number is (716) 278-4000.
What is John Cilnyk's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Cilnyk enrolled in Medicare?
Yes. John Cilnyk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Cilnyk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Cilnyk reassigns Medicare benefits to 4 organizations: Parkside Medical Anesthesia Associates (Buffalo, NY), Anesthesiology Medical Consultants, PLLC (Buffalo, NY), Abbott Anesthesiologist Associates PC (Buffalo, NY) and North American Partners In Anesthesia LLP (Melville, 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 John Cilnyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Cilnyk affiliated with any hospitals?
According to CMS data, John Cilnyk is affiliated with Niagara Falls Memorial Medical Center and Sisters Of Charity Hospital.
When was this NPI record last updated?
The NPPES record for John Cilnyk was last updated on May 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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. John Michael Cilnyk, M.D. · NPI 1003109000
Anesthesiology physician in Niagara Falls, New York. Individual provider, active in the CMS NPPES registry since May 24, 2011.
## Identity
- **NPI:** 1003109000 (Entity type: Individual)
- **Enumerated:** May 24, 2011
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 279588 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 621 10TH ST, Niagara Falls, NY 14301-1813
- **Phone:** (716) 278-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Parkside Medical Anesthesia Associates (NPI 1871537464, Buffalo, NY); Anesthesiology Medical Consultants, PLLC (NPI 1366487555, Buffalo, NY); Abbott Anesthesiologist Associates PC (NPI 1902025513, Buffalo, NY); North American Partners In Anesthesia LLP (NPI 1649264706, Melville, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** May 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1003109000) · Data from the CMS NPPES public registry.