Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

MS. Allyson Elizabeth Klein, RN, ACNP

Individual provider Acute Care Nurse Practitioner · NPI 1609996958

MS. Allyson Elizabeth Klein, RN, ACNP is a Nurse Practitioner in West Hollywood, California. Qualified in 2006, 20 years ago. Practices with Cedars-Sinai Medical Center, a 795-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
20
Licensed in
NY
In the registry since
2007
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
ACNP — Acute Care Nurse Practitioner
A nurse practitioner who treats acutely ill patients, usually in hospital.

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Practice location Address checks out

8700 Beverly Blvd
West Hollywood, CA 90048-1804
Phone: (212) 305-9817
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 43 430332 (NY)

Record details

NPI number1609996958
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , ACNP
Sole proprietorYes
NPI enumeratedMarch 30, 2007
Last updated in NPPESMay 17, 2023
Certification dateMay 17, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Cedars-Sinai Medical Center — 795 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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