Quick answers
- Which hospitals does Gregory M. Weiss work at?
- Medicare's official clinician data lists Gregory M. Weiss at 2 hospitals: Bon Secours Harbour View Medical Center and Mary Immaculate Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory M. Weiss see patients?
- Medicare's clinician data lists 4 practice locations, including Melville, NY, Leesburg, VA and Newport News, VA. Call before your visit to confirm the address.
- What is Gregory M. Weiss's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Gregory M. Weiss accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory M. Weiss 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 Gregory M. Weiss?
- (703) 724-9950, as listed in official Medicare / NPI Registry data.
- What is Gregory M. Weiss's NPI number?
- 1750589214. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory M. Weiss works
Medicare's Facility Affiliation Data lists Gregory M. Weiss at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bon Secours Harbour View Medical CenterSuffolk, VA · Acute Care Hospital · CCN 490148
- Mary Immaculate HospitalNewport News, VA · Acute Care Hospital · CCN 490041
Practice locations
Addresses where Gregory M. Weiss is enrolled with Medicare (CMS data updated 2026-10-02).
- 1305 Walt Whitman Rd, Suite 300Melville, NY 11747
- 19455 Deerfield Ave, Suite 204Leesburg, VA 20176 (703) 724‑9950
- 2 Bernadine DrNewport News, VA 23602 (757) 886‑6000
- 5818 Harbour View BlvdSuffolk, VA 23435 (757) 673‑5800
Group practices
Medicare enrollment lists Gregory M. Weiss as a member of this group (CMS data updated 2026-10-02).
- American Anesthesiology of Virginia PC531 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Melville
Clinicians with the same Medicare primary specialty in Melville, NY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Eastern Virginia Medical School |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750589214 |
| 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