Quick answers
- Which hospitals does Jonathan A. Herbst work at?
- Medicare's official clinician data lists Jonathan A. Herbst at 1 hospital: Greenwich Hospital Association -. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan A. Herbst see patients?
- Medicare's clinician data lists 1 practice location in Port Chester, NY. Call before your visit to confirm the address.
- What is Jonathan A. Herbst's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Jonathan A. Herbst accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan A. Herbst 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.
- Does Jonathan A. Herbst offer telehealth?
- Medicare's clinician data says Jonathan A. Herbst offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jonathan A. Herbst?
- (914) 937-3999, as listed in official Medicare / NPI Registry data.
- What is Jonathan A. Herbst's NPI number?
- 1538188602. 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 A. Herbst works
Medicare's Facility Affiliation Data lists Jonathan A. Herbst at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · CCN 070018
Practice locations
Addresses where Jonathan A. Herbst is enrolled with Medicare (CMS data updated 2026-10-02).
- 388 Westchester Ave, Suite 1cPort Chester, NY 10573 (914) 937‑3999
Specialties
- Internal Medicineprimary
Other internal medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Virginia Commonwealth University, School Of Medicine |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1538188602 |
| 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