Quick answers
- Which hospitals does Claire E. Rosengreen work at?
- Medicare's official clinician data lists Claire E. Rosengreen at 1 hospital: Unity Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Claire E. Rosengreen see patients?
- Medicare's clinician data lists 4 practice locations, including Batavia, NY and Rochester, NY. Call before your visit to confirm the address.
- What is Claire E. Rosengreen's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Claire E. Rosengreen accept Medicare assignment?
- Yes. Medicare's clinician data says Claire E. Rosengreen 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 Claire E. Rosengreen?
- (585) 344-5449, as listed in official Medicare / NPI Registry data.
- What is Claire E. Rosengreen's NPI number?
- 1437638541. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Claire E. Rosengreen works
Medicare's Facility Affiliation Data lists Claire E. Rosengreen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Unity HospitalRochester, NY · Acute Care Hospital · CCN 330226
Practice locations
Addresses where Claire E. Rosengreen is enrolled with Medicare (CMS data updated 2026-10-02).
- 127 N StBatavia, NY 14020 (585) 344‑5449
- 1555 Long Pond RdRochester, NY 14626
- 1565 Long Pond RdRochester, NY 14626 (585) 723‑7366
- 158 Orchard StRochester, NY 14611 (585) 368‑4500
Group practices
Medicare enrollment lists Claire E. Rosengreen as a member of these groups (CMS data updated 2026-10-02).
- The Unity Hospital of Rochester736 clinicians in the group
- United Memorial Medical Center279 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Batavia
Clinicians with the same Medicare primary specialty in Batavia, NY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437638541 |
| 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