IRENE STADNYK MD
NPI 1235136045
Anesthesiology in New York, NY
About Irene Stadnyk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IRENE STADNYK MD (NPI 1235136045) is an individual anesthesiology provider in New York, New York, licensed in New York (221637) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS, is affiliated with Cooperman Barnabas Medical Center, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
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
Irene Stadnyk Md 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 Irene Stadnyk reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 247 clinicians in this Medicare group
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 clinicians in this Medicare group
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 45 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 12
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cooperman Barnabas Medical Center
Acute Care Hospitals · Livingston, NJMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
NEW YORK, NY 10065
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 Irene Stadnyk's NPI number?
The NPI number for Irene Stadnyk is 1235136045. It was assigned to this individual provider in the NPPES registry on July 7, 2005.
Where is Irene Stadnyk located?
Irene Stadnyk practices at 525 E 68th St # P3, New York, NY 10065. The listed phone number is (646) 962-4328.
What is Irene Stadnyk's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Irene Stadnyk enrolled in Medicare?
Yes. Irene Stadnyk 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 Irene Stadnyk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irene Stadnyk reassigns Medicare benefits to 4 organizations: Weill Medical College Of Cornell (New York, NY), Rwjbh Observation Associates LLC (Livingston, NJ), Rwjbh Emergency Medicine Associates, LLC (Somerset, NJ) and Anesthesia Partners Of Montana PC (Billings, MT). 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 Irene Stadnyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Irene Stadnyk accept?
Health plans from Blue Cross and Blue Shield of Montana list Irene Stadnyk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Irene Stadnyk affiliated with any hospitals?
According to CMS data, Irene Stadnyk is affiliated with Cooperman Barnabas Medical Center.
When was this NPI record last updated?
The NPPES record for Irene Stadnyk was last updated on June 5, 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.
# Irene Stadnyk, MD · NPI 1235136045
Anesthesiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since July 7, 2005.
## Identity
- **NPI:** 1235136045 (Entity type: Individual)
- **Enumerated:** July 7, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 221637 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 525 E 68TH ST # P3, New York, NY 10065
- **Phone:** (646) 962-4328
## 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): Weill Medical College Of Cornell (NPI 1619917341, New York, NY); Rwjbh Observation Associates LLC (NPI 1760095806, Livingston, NJ); Rwjbh Emergency Medicine Associates, LLC (NPI 1912510041, Somerset, NJ); Anesthesia Partners Of Montana PC (NPI 1255330791, Billings, MT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** June 5, 2018
- **Other identifiers:** Medicaid 02632979 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1235136045) · Data from the CMS NPPES public registry.