Quick answers
- Which hospitals does Gregory R. Ball work at?
- Medicare's official clinician data lists Gregory R. Ball at 5 hospitals: Kenmore Mercy Hospital, Mount St. Mary's Hospital & Health Center, Niagara Falls Memorial Medical Center, Sisters of Charity Hospital and Wyoming County. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory R. Ball see patients?
- Medicare's clinician data lists 3 practice locations, including Amherst, NY, North Tonawanda, NY and Lewiston, NY. Call before your visit to confirm the address.
- What is Gregory R. Ball's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Gregory R. Ball accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory R. Ball 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 R. Ball?
- (716) 633-8675, as listed in official Medicare / NPI Registry data.
- What is Gregory R. Ball's NPI number?
- 1861786030. 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 R. Ball works
Medicare's Facility Affiliation Data lists Gregory R. Ball at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kenmore Mercy HospitalKenmore, NY · Acute Care Hospital · CCN 330102
- Mount St. Mary's Hospital & Health CenterLewiston, NY · Acute Care Hospital · CCN 330188
- Niagara Falls Memorial Medical CenterNiagara Falls, NY · Acute Care Hospital · CCN 330065
- Sisters of Charity HospitalBuffalo, NY · Acute Care Hospital · CCN 330078
- Wyoming CountyWarsaw, NY · Critical Access Hospital · CCN 331323
Practice locations
Addresses where Gregory R. Ball is enrolled with Medicare (CMS data updated 2026-10-02).
- 3730 Sheridan DrAmherst, NY 14226 (716) 633‑8675
- 3799 Commerce Ct, Suite 200North Tonawanda, NY 14120 (716) 332‑1320
- 5300 Military RdLewiston, NY 14092 (716) 297‑4800
Group practices
Medicare enrollment lists Gregory R. Ball as a member of these groups (CMS data updated 2026-10-02).
- Trinity Medical Wny PC207 clinicians in the group
- Niagara Frontier Radiologic Associates PC23 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Amherst
Clinicians with the same Medicare primary specialty in Amherst, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861786030 |
| 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