Quick answers
- Which hospitals does Peter A. Rienzi work at?
- Medicare's official clinician data lists Peter A. Rienzi at 4 hospitals: Ellis Hospital, Saratoga Hospital, St Peter's Hospital and Sunnyview Hospital and Rehabilitation Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter A. Rienzi see patients?
- Medicare's clinician data lists 1 practice location in Schenectady, NY. Call before your visit to confirm the address.
- What is Peter A. Rienzi's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Peter A. Rienzi accept Medicare assignment?
- Yes. Medicare's clinician data says Peter A. Rienzi 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 Peter A. Rienzi?
- (518) 374-1444, as listed in official Medicare / NPI Registry data.
- What is Peter A. Rienzi's NPI number?
- 1336177823. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter A. Rienzi works
Medicare's Facility Affiliation Data lists Peter A. Rienzi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ellis HospitalSchenectady, NY · Acute Care Hospital · CCN 330153
- Saratoga HospitalSaratoga Springs, NY · Acute Care Hospital · CCN 330222
- St Peter's HospitalAlbany, NY · Acute Care Hospital · CCN 330057
- Sunnyview Hospital and Rehabilitation CenterSchenectady, NY · Acute Care Hospital · CCN 330406
Practice locations
Addresses where Peter A. Rienzi is enrolled with Medicare (CMS data updated 2026-10-02).
- 2546 Balltown Rd, Suite 200Schenectady, NY 12309 (518) 374‑1444
Group practices
Medicare enrollment lists Peter A. Rienzi as a member of this group (CMS data updated 2026-10-02).
- Community Care Physicians PLLC368 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Schenectady
Clinicians with the same Medicare primary specialty in Schenectady, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336177823 |
| 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