Quick answers
- Which hospitals does Eric Ruff work at?
- Medicare's official clinician data lists Eric Ruff at 1 hospital: Mercy Hospital of Buffalo. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric Ruff see patients?
- Medicare's clinician data lists 2 practice locations, including Orchard Park, NY and Williamsville, NY. Call before your visit to confirm the address.
- What is Eric Ruff's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Eric Ruff accept Medicare assignment?
- Yes. Medicare's clinician data says Eric Ruff 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 Eric Ruff?
- (716) 631-3300, as listed in official Medicare / NPI Registry data.
- What is Eric Ruff's NPI number?
- 1073075396. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric Ruff works
Medicare's Facility Affiliation Data lists Eric Ruff at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital of BuffaloBuffalo, NY · Acute Care Hospital · CCN 330279
Practice locations
Addresses where Eric Ruff is enrolled with Medicare (CMS data updated 2026-10-02).
- 3670 S Benzing Rd, Suite JOrchard Park, NY 14127 (716) 631‑3300
- 7 Limestone Dr, Suite BWilliamsville, NY 14221 (716) 631‑3300
Group practices
Medicare enrollment lists Eric Ruff as a member of this group (CMS data updated 2026-10-02).
- Ophthalmic Consultants of Long Island105 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Orchard Park
Clinicians with the same Medicare primary specialty in Orchard Park, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073075396 |
| 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