Quick answers
- Which hospitals does Allyson E. Klein work at?
- Medicare's official clinician data lists Allyson E. Klein at 1 hospital: Cedars-Sinai Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Allyson E. Klein see patients?
- Medicare's clinician data lists 1 practice location in West Hollywood, CA. Call before your visit to confirm the address.
- What is Allyson E. Klein's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Allyson E. Klein accept Medicare assignment?
- Yes. Medicare's clinician data says Allyson E. Klein 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 Allyson E. Klein?
- (310) 423-3277, as listed in official Medicare / NPI Registry data.
- What is Allyson E. Klein's NPI number?
- 1609996958. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Allyson E. Klein works
Medicare's Facility Affiliation Data lists Allyson E. Klein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050625
Practice locations
Addresses where Allyson E. Klein is enrolled with Medicare (CMS data updated 2026-10-02).
- 8700 Beverly BlvdWest Hollywood, CA 90048 (310) 423‑3277
Group practices
Medicare enrollment lists Allyson E. Klein as a member of this group (CMS data updated 2026-10-02).
- Cedars-Sinai Medical Center799 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in West Hollywood
Clinicians with the same Medicare primary specialty in West Hollywood, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609996958 |
| 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