Quick answers
- Which hospitals does Mary E. Greco work at?
- Medicare's official clinician data lists Mary E. Greco at 4 hospitals: Oneida Health Hospital, Rome Memorial Hospital, Inc, University Hospital S U N y Health Science Center and Wynn Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary E. Greco see patients?
- Medicare's clinician data lists 1 practice location in Oneida, NY. Call before your visit to confirm the address.
- What is Mary E. Greco's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Mary E. Greco accept Medicare assignment?
- Yes. Medicare's clinician data says Mary E. Greco 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 Mary E. Greco's NPI number?
- 1194899310. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary E. Greco works
Medicare's Facility Affiliation Data lists Mary E. Greco at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Oneida Health HospitalOneida, NY · Acute Care Hospital · CCN 330115
- Rome Memorial Hospital, IncRome, NY · Acute Care Hospital · CCN 330215
- University Hospital S U N y Health Science CenterSyracuse, NY · Acute Care Hospital · CCN 330241
- Wynn HospitalUtica, NY · Acute Care Hospital · CCN 330044
Practice locations
Addresses where Mary E. Greco is enrolled with Medicare (CMS data updated 2026-10-02).
- 321 Genesee StOneida, NY 13421
Specialties
- General Surgeryprimary
Other general surgeons in Oneida
Clinicians with the same Medicare primary specialty in Oneida, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1991 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194899310 |
| 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