Quick answers
- Does Jason L. Feinman accept Medicare assignment?
- Yes. Medicare's clinician data says Jason L. Feinman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Jason L. Feinman's NPI number?
- 1104321074. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jason L. Feinman works
Medicare's Facility Affiliation Data lists Jason L. Feinman 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.
- Mount Sinai HospitalNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330024
- Mount Sinai WestNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330046
Practice locations
Addresses where Jason L. Feinman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Gustave L Levy PlNew York, NY 10029 (212) 731‑7822
Group practices
Medicare enrollment lists Jason L. Feinman as a member of this group (CMS data updated October 2, 2026).
- Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
Specialties
Find other Advanced Heart Failure and Transplant Cardiology doctors in New York →
Other heart failure and transplant cardiologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
- Sean P. Pinney, MD
- Nir Uriel, MD
- Kyung Taek Oh, MD
- Arushi Singh
- Marc E. Richmond, MD
- Mathew S. Maurer, MD
- Kiran Mahmood, MD
- Warren A. Zuckerman, MD
All heart failure and transplant cardiologists in New York →
Other clinicians in Icahn School of Medicine at Mount Sinai
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers, Robert Woood Johnson Medical School |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104321074 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians