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Emergency Medicine

Laura L. Leistiko, MD

Works at hospitals in Orange, CA · Sun City, CA · California

Summary

Dr. Laura L. Leistiko, MD is an emergency medicine doctor at 2601 E Chapman Ave, Orange, CA 92869. Phone: (714) 633-0011. Accepts Medicare assignment. In 2024, Laura L. Leistiko had 92 Original Medicare patients and 148 services. NPI 1508810185. 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: 2601 E Chapman Ave, Orange, CA 92869 · Directions
  • Phone: (714) 633‑0011
  • Medicare: Accepts Medicare assignment
  • Hospitals: Chapman Global Medical Center, Menifee Global Medical Center
  • Group practice: Seven Star Hospital Associates Inc
  • Medical school: University Of California, Geffen School Of Medicine · graduated 2002 (24 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Laura L. Leistiko, 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 Laura L. Leistiko accept Medicare assignment?
Yes. Medicare's clinician data says Laura L. Leistiko 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 Laura L. Leistiko see?
In 2024, CMS data shows 92 Original Medicare patients and 148 services for Laura L. Leistiko. This counts Original Medicare only and measures volume, not quality.
What is Laura L. Leistiko's NPI number?
1508810185. 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 Laura L. Leistiko, 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 patients92
Services billed to Medicare148
Different services or procedures11
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)49 services
  2. X-ray of chest, 1 view (71045)29 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)26 services
  4. Emergency department visit with moderate level of medical decision making (99284)24 services
  5. Critical care, first 30-74 minutes (99291)14 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 cholesterol75%
  • Depression50%
  • Diabetes49%
  • Arthritis48%
  • Anxiety47%

Hospitals where Laura L. Leistiko works

Medicare's Facility Affiliation Data lists Laura L. Leistiko 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.

Practice locations

Addresses where Laura L. Leistiko is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Laura L. Leistiko as a member of this group (CMS data updated October 2, 2026).

  • Seven Star Hospital Associates Inc126 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Orange

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

All emergency medicine doctors in Orange →

Other clinicians in Seven Star Hospital Associates Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508810185
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