ASHLEY REBEKAH ALLEN MD
NPI 1053751875
Emergency Medicine in Los Angeles, CA

Active since June 25, 2013PECOS EnrolledAccepts Medicare Assignment
2051 MARENGO ST, LOS ANGELES, CA 90033(233) 409-7053(323) 226-7927 Get Directions Write a Review

NPPES record last updated: July 15, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 15, 2024, Jul 3, 2024, Apr 16, 2020 (3 updates tracked since 2020).

About Ashley Rebekah Allen Md NPPES

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

ASHLEY REBEKAH ALLEN MD (NPI 1053751875) is an individual emergency medicine provider in Los Angeles, California, licensed in California (A186620) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS and is a graduate of University Of Utah School Of Medicine (2020).

NPPES Registry Identity

NPI1053751875
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameASHLEY REBEKAH ALLENCredential: MD
Location Address2051 MARENGO STLos Angeles, CA 90033-1352
Mailing Address82 Quincy AveLong Beach, CA 90803-3085 · (714) 362-7024
Fax(323) 226-7927
Sole ProprietorNo
Medical School CMSUniversity Of Utah School Of MedicineGraduated 2020
Enumeration DateJune 25, 2013
Last NPPES UpdateJuly 15, 20243 updates tracked since enumeration
NPPES CertifiedJuly 15, 2024
✔ NPI 1053751875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A186620
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedRegistered Nurse · Obstetric, InpatientTaxonomy 163WX0003X · License 667709 (CA)
2051 MARENGO ST, Los Angeles, CA 90033

Other Names 1

Former Name (1)Ashley Rebekah Olson Rn

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ashley Rebekah Allen Md 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 ID9739588054
PECOS Enrollment IDI20240816001035
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.

Medicare Billing Reassignments

7

Medicare enrollment records show Ashley Allen reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
1720 E CESAR E CHAVEZ AVE
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 1,204 clinicians in this Medicare group
Transplant Surgery
1505 WILSON TERRACE, SUITE 155
Glendale, CA 91206
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group
Urgent Care
16205 SAND CANYON AVE STE 100
Irvine, CA 92618
  • Reassigned Medicare billing, California enrollment
  • 89 clinicians in this Medicare group
Emergency Medicine
600 N HIGHLAND SPRINGS AVE
Banning, CA 92220
  • Reassigned Medicare billing, California enrollment
  • 50 clinicians in this Medicare group
Emergency Medicine
820 E MOUNTAIN VIEW ST
Barstow, CA 92311
  • Reassigned Medicare billing, California enrollment
  • 36 clinicians in this Medicare group
Emergency Medicine
5000 HOPYARD RD, SUITE 100
Pleasanton, CA 94588
  • Reassigned Medicare billing, California enrollment
  • 202 clinicians in this Medicare group
Emergency Medicine
3100 TONGASS AVE
Ketchikan, AK 99901
  • Reassigned Medicare billing, Alaska enrollment
  • 26 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 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.

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.

Internal Medicine
2051 MARENGO ST
LOS ANGELES, CA 90033
Clinical Nurse Specialist
2051 MARENGO ST
LOS ANGELES, CA 90033
Respiratory Therapist, Registered
2051 MARENGO ST
LOS ANGELES, CA 90033
Psychiatric Unit
2051 MARENGO ST
LOS ANGELES, CA 90033
Student in an Organized Health Care Education/Training Program
2051 MARENGO ST
LOS ANGELES, CA 90033
Respiratory Therapist, Registered (Neonatal/Pediatrics)
2051 MARENGO ST
LOS ANGELES, CA 90033
Respiratory Therapist, Registered
2051 MARENGO ST
LOS ANGELES, CA 90033
Nurse Practitioner (Acute Care)
2051 MARENGO ST
LOS ANGELES, CA 90033

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 Ashley Allen's NPI number?

The NPI number for Ashley Allen is 1053751875. It was assigned to this individual provider in the NPPES registry on June 25, 2013. The provider is also known as Ashley Rebekah Olson Rn.

Where is Ashley Allen located?

Ashley Allen practices at 2051 Marengo St, Los Angeles, CA 90033. The listed phone number is (233) 409-7053.

What is Ashley Allen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Ashley Allen enrolled in Medicare?

Yes. Ashley Allen 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.

Which organizations bill Medicare for Ashley Allen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Allen reassigns Medicare benefits to 7 organizations: Cep America-California (Los Angeles, CA), Faculty Physicians And Surgeons Of Llusm (Glendale, CA), Hmts, Inc (Irvine, CA), MD Karan Singh Professional Corp (Banning, CA), Singh MD A Professional Medical (Barstow, CA) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ashley Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ashley Allen accept?

Health plans from Moda Health Plan, Inc. list Ashley Allen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ashley Allen was last updated on July 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.