MS. ALLYSON ELIZABETH KLEIN RN, ACNP
NPI 1609996958
Nurse Practitioner - Acute Care in West Hollywood, CA

Active since March 30, 2007PECOS EnrolledAccepts Medicare Assignment
87.67/100
CMS Quality Rating
8700 BEVERLY BLVD, WEST HOLLYWOOD, CA 90048(212) 305-9817 Get Directions Write a Review

NPPES record last updated: May 17, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Allyson Elizabeth Klein Rn, Acnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. ALLYSON ELIZABETH KLEIN RN, ACNP (NPI 1609996958) is an individual acute care provider in West Hollywood, California, licensed in New York (43 430332) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1609996958
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMS. ALLYSON ELIZABETH KLEINCredential: RN, ACNP
Location Address8700 BEVERLY BLVDWest Hollywood, CA 90048-1804
Mailing Address1399 Breckford CtWestlake Village, CA 91361-1707 · (818) 631-9403
Sole ProprietorYes
Medical School CMSOtherGraduated 2006
Enumeration DateMarch 30, 2007
Last NPPES UpdateMay 17, 2023
NPPES CertifiedMay 17, 2023
NPI 1609996958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in NY · 43 430332
8700 BEVERLY BLVD, West Hollywood, CA 90048

Other Names 1

Former Name (1)Allyson Elizabeth Trowbridge Rn, Acnp

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Allyson Elizabeth Klein Rn, Acnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9739257833
PECOS Enrollment IDI20230524000442
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
338 services69 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
181 services82 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.67/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.86
Promoting Interoperability99
Improvement Activities40
Cost49.42

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Acute Care)
8700 BEVERLY BLVD, NORTH TOWER ROOM 6215
WEST HOLLYWOOD, CA 90048
Psychiatry & Neurology (Psychiatry)
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Social Worker (Clinical)
8700 BEVERLY BLVD, SUITE AC1002
WEST HOLLYWOOD, CA 90048
Pediatrics
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Pathology (Anatomic Pathology & Clinical Pathology)
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Emergency Medicine
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Nurse Practitioner (Pediatrics)
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Student in an Organized Health Care Education/Training Program
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Allyson Klein's NPI number?

The NPI number for Allyson Klein is 1609996958. It was assigned to this individual provider in the NPPES registry on March 30, 2007. The provider is also known as Allyson Elizabeth Trowbridge Rn, Acnp.

Where is Allyson Klein located?

Allyson Klein practices at 8700 Beverly Blvd, West Hollywood, CA 90048. The listed phone number is (212) 305-9817.

What is Allyson Klein's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Allyson Klein enrolled in Medicare?

Yes. Allyson Klein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Allyson Klein was last updated on May 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.