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Emergency Medicine

Ashkon M. Ansari, MD

Works at hospitals in Lancaster, CA · California

Summary

Dr. Ashkon M. Ansari, MD is an emergency medicine doctor at 1600 W Ave J, Lancaster, CA 93534. Phone: (661) 949-5000. Accepts Medicare assignment. In 2024, Ashkon M. Ansari had 446 Original Medicare patients and 780 services. NPI 1730551607. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1600 W Ave J, Lancaster, CA 93534 · Directions
  • Phone: (661) 949‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Antelope Valley Hospital
  • Group practice: Antelope Valley Emergency Medical Associates Inc
  • Medical school: Temple University School Of Medicine · graduated 2014 (12 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ashkon M. Ansari, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ashkon M. Ansari accept Medicare assignment?
Yes. Medicare's clinician data says Ashkon M. Ansari accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Ashkon M. Ansari see?
In 2024, CMS data shows 446 Original Medicare patients and 780 services for Ashkon M. Ansari. This counts Original Medicare only and measures volume, not quality.
What is Ashkon M. Ansari's NPI number?
1730551607. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ashkon M. Ansari, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients446
Services billed to Medicare780
Different services or procedures43
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)267 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)149 services
  3. Critical care, first 30-74 minutes (99291)100 services
  4. Emergency department visit with moderate level of medical decision making (99284)96 services
  5. Ultrasound of heart, follow-up (93308)32 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol71%
  • Arthritis56%
  • Diabetes52%
  • COPD40%
  • Anxiety39%

Hospitals where Ashkon M. Ansari works

Medicare's Facility Affiliation Data lists Ashkon M. Ansari at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Antelope Valley HospitalLancaster, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050056

Practice locations

Addresses where Ashkon M. Ansari is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ashkon M. Ansari as a member of this group (CMS data updated October 2, 2026).

  • Antelope Valley Emergency Medical Associates Inc33 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Lancaster

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

All emergency medicine doctors in Lancaster →

Other clinicians in Antelope Valley Emergency Medical Associates Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolTemple University School Of Medicine
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730551607
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians