Quick answers
- Which hospitals does John P. Tomasello work at?
- Medicare's official clinician data lists John P. Tomasello at 2 hospitals: Mount Sinai West and Overlook Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John P. Tomasello see patients?
- Medicare's clinician data lists 6 practice locations, including New York, NY, Paterson, NJ and Summit, NJ. Call before your visit to confirm the address.
- What is John P. Tomasello's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does John P. Tomasello accept Medicare assignment?
- Yes. Medicare's clinician data says John P. Tomasello accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John P. Tomasello?
- (212) 241-6426, as listed in official Medicare / NPI Registry data.
- What is John P. Tomasello's NPI number?
- 1265072102. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John P. Tomasello works
Medicare's Facility Affiliation Data lists John P. Tomasello at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Sinai WestNew York, NY · Acute Care Hospital · CCN 330046
- Overlook Medical CenterSummit, NJ · Acute Care Hospital · CCN 310051
Practice locations
Addresses where John P. Tomasello is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1 Gustave L Levy PlNew York, NY 10029 (212) 241‑6426
- 1000 10th AveNew York, NY 10019 (212) 241‑6426
- 16 W 25th StNew York, NY 10010 (212) 516‑8211
- 310 E 14th StNew York, NY 10003 (212) 979‑4000
- 703 Main StPaterson, NJ 07503 (973) 754‑2000
Group practices
Medicare enrollment lists John P. Tomasello as a member of these groups (CMS data updated 2026-10-02).
- Fpa Hospital Based425 clinicians in the group
- Icahn School of Medicine at Mount Sinai176 clinicians in the group
- North American Partners in Anesthesia of New Jersey LLC162 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), New York →
Other nurse anesthetists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265072102 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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