Quick answers
- Which hospitals does Jonathan P. Ungar work at?
- Medicare's official clinician data lists Jonathan P. Ungar at 2 hospitals: Mount Sinai Beth Israel and Mount Sinai Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan P. Ungar see patients?
- Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
- What is Jonathan P. Ungar's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Jonathan P. Ungar accept Medicare assignment?
- Medicare's clinician data says Jonathan P. Ungar may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Jonathan P. Ungar's NPI number?
- 1154664530. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan P. Ungar works
Medicare's Facility Affiliation Data lists Jonathan P. Ungar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Sinai Beth IsraelNew York, NY · Acute Care Hospital · closed, according to its website · CCN 330169
- Mount Sinai HospitalNew York, NY · Acute Care Hospital · CCN 330024
Practice locations
Addresses where Jonathan P. Ungar is enrolled with Medicare (CMS data updated 2026-10-02).
- 150 E 42nd StNew York, NY 10017
Specialties
- Dermatologyprimary
Other dermatologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1154664530 |
| 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