Irene C. Stadnyk, MD

Medicare activity in 2024

Official CMS public-use data for Irene C. Stadnyk, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Insertion of artery tube for blood sampling or infusion through skin (36620)41 services
2. Ultrasound of heart with probe in esophagus, with report (93312)27 services
3. Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)24 services
4. Ultrasound of heart blood flow, valves and chambers (93320)16 services
5. Anesthesia for other procedure on large bowel using an endoscope (00811)14 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol63%
• Arthritis47%
• Ischemic heart disease36%
• Diabetes34%
• Atrial fibrillation32%

Hospitals where Irene C. Stadnyk works

Medicare's Facility Affiliation Data lists Irene C. Stadnyk at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Cooperman Barnabas Medical CenterLivingston, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310076

Practice locations

Addresses where Irene C. Stadnyk is enrolled with Medicare (CMS data updated October 2, 2026).

• 94 Old Short Hills RdLivingston, NJ 07039 (732) 369‑5994

Group practices

Medicare enrollment lists Irene C. Stadnyk as a member of this group (CMS data updated October 2, 2026).

• RWJBH Observation Associates LLC1,008 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in New Jersey →

Other anesthesiologists in Livingston

Clinicians with the same Medicare primary specialty in Livingston, NJ — not a recommendation.

• Andrey Apinis, MD
• Navdeep Singh, MD
• Raymond K. Patterson, MD
• Gabor Simon, MD
• David G. Conyack, MD
• David Schaner, MD
• Kevin Klebba, MD
• Jerald Gomes, MD

All anesthesiologists in Livingston →

Other clinicians in RWJBH Observation Associates LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Alexandra Rozhitsky, CNA
• Denise Fernandez, MD
• Hasmukh C. Tank, MD
• Michele H. Nisnevitz, PA
• Sigrid A. Marfo, CNA
• Lev Pukin, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians