Quick answers
- Which hospitals does Thomas P. Erhart work at?
- Medicare's official clinician data lists Thomas P. Erhart at 2 hospitals: John T Mather Memorial Hospital of Port Jefferson and Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas P. Erhart see patients?
- Medicare's clinician data lists 1 practice location in Port Jefferson Station, NY. Call before your visit to confirm the address.
- What is Thomas P. Erhart's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Thomas P. Erhart accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas P. Erhart 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 Thomas P. Erhart offer telehealth?
- Medicare's clinician data says Thomas P. Erhart offers telehealth services. Ask the office which visits can be done by video or phone.
- What is Thomas P. Erhart's NPI number?
- 1508891425. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas P. Erhart works
Medicare's Facility Affiliation Data lists Thomas P. Erhart at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · CCN 330185
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · CCN 330393
Practice locations
Addresses where Thomas P. Erhart is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 Route 112Port Jefferson Station, NY 11776
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1508891425 |
| 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