Quick answers
- Which hospitals does Alan R. Posner work at?
- Medicare's official clinician data lists Alan R. Posner at 2 hospitals: Kaleida Health and Olean General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alan R. Posner see patients?
- Medicare's clinician data lists 4 practice locations, including Buffalo, NY, North Tonawanda, NY and N Tonawanda, NY. Call before your visit to confirm the address.
- What is Alan R. Posner's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Alan R. Posner accept Medicare assignment?
- Yes. Medicare's clinician data says Alan R. Posner 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 Alan R. Posner?
- (716) 859-5600, as listed in official Medicare / NPI Registry data.
- What is Alan R. Posner's NPI number?
- 1063422020. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alan R. Posner works
Medicare's Facility Affiliation Data lists Alan R. Posner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaleida HealthBuffalo, NY · Acute Care Hospital · CCN 330005
- Olean General HospitalOlean, NY · Acute Care Hospital · CCN 330103
Practice locations
Addresses where Alan R. Posner is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 High StBuffalo, NY 14203 (716) 859‑5600
- 445 Tremont StNorth Tonawanda, NY 14120 (716) 694‑4500
- 445 Tremont St, Box 0705N Tonawanda, NY 14120 (716) 694‑4500
- 900 Hertel AveBuffalo, NY 14216 (716) 871‑1571
Group practices
Medicare enrollment lists Alan R. Posner as a member of these groups (CMS data updated 2026-10-02).
- Kaleida Health236 clinicians in the group
- University at Buffalo Surgeons Inc40 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Buffalo
Clinicians with the same Medicare primary specialty in Buffalo, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063422020 |
| 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