Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Ashley Allen, MD

Works at hospitals in Barstow, CA · La Mesa, CA · Newport Beach, CA · California

Summary

Ashley Allen, MD (Emergency Medicine) is listed by Medicare at 3 hospitals in Barstow, CA, La Mesa, CA and Newport Beach, CA. NPI 1053751875. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ashley Allen, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
University Of Utah School Of MedicineMedical school
FemaleGender (as listed)
Faculty Physicians and Surgeons of LlusmGroup practice (+3 more)

Quick answers

Which hospitals does Ashley Allen work at?
Medicare's official clinician data lists Ashley Allen at 3 hospitals: Barstow Community Hospital, Grossmont Hospital and Hoag Memorial Hospital Presbyterian. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ashley Allen see patients?
Medicare's clinician data lists 4 practice locations, including Loma Linda, CA, La Mesa, CA and Barstow, CA. Call before your visit to confirm the address.
What is Ashley Allen's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Ashley Allen accept Medicare assignment?
Yes. Medicare's clinician data says Ashley Allen 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 Ashley Allen?
(619) 465-0711, as listed in official Medicare / NPI Registry data.
What is Ashley Allen's NPI number?
1053751875. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ashley Allen works

Medicare's Facility Affiliation Data lists Ashley Allen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Ashley Allen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ashley Allen as a member of these groups (CMS data updated 2026-10-02).

  • Faculty Physicians and Surgeons of Llusm1,315 clinicians in the group
  • HMTS Inc118 clinicians in the group
  • Team Physicians of Northern California Medical Group Inc85 clinicians in the group
  • Singh MD a Professional Medical19 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Loma Linda

Clinicians with the same Medicare primary specialty in Loma Linda, CA — not a recommendation.

All emergency medicine doctors in Loma Linda →

Clinician information

CredentialMD
Medical schoolUniversity Of Utah School Of Medicine
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053751875
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians