Quick answers
- Which hospitals does Alyssa M. Rosen work at?
- Medicare's official clinician data lists Alyssa M. Rosen at 1 hospital: Chester County Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alyssa M. Rosen see patients?
- Medicare's clinician data lists 1 practice location in Scottsdale, AZ. Call before your visit to confirm the address.
- What is Alyssa M. Rosen's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Alyssa M. Rosen accept Medicare assignment?
- Medicare's clinician data says Alyssa M. Rosen may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Alyssa M. Rosen's NPI number?
- 1336285261. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alyssa M. Rosen works
Medicare's Facility Affiliation Data lists Alyssa M. Rosen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chester County HospitalWest Chester, PA · Acute Care Hospital · CCN 390179
Practice locations
Addresses where Alyssa M. Rosen is enrolled with Medicare (CMS data updated 2026-10-02).
- 4800 N Scottsdale RdScottsdale, AZ 85251
Specialties
- Psychiatryprimary
Other psychiatrists in Scottsdale
Clinicians with the same Medicare primary specialty in Scottsdale, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1336285261 |
| 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