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Cardiovascular Disease (Cardiology)

Stephen R. Corday, MD

Works at hospitals in Los Angeles, CA · Tarzana, CA · Mission Hills, CA … · California

Summary

Dr. Stephen R. Corday, MD is a cardiologist at 8635 W 3rd St, Suite 485w, Los Angeles, CA 90048. Phone: (310) 855-8081. Accepts Medicare assignment. In 2024, Stephen R. Corday had 693 Original Medicare patients and 110,250 services. NPI 1194759803. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Stephen R. Corday, 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 Stephen R. Corday accept Medicare assignment?
Yes. Medicare's clinician data says Stephen R. Corday 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 Stephen R. Corday see?
In 2024, CMS data shows 693 Original Medicare patients and 110,250 services for Stephen R. Corday. This counts Original Medicare only and measures volume, not quality.
What is Stephen R. Corday's NPI number?
1194759803. 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 Stephen R. Corday, 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 patients693
Services billed to Medicare110,250
Different services or procedures88
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Injection, inclisiran, 1 mg (J1306)66,172 services
  2. Injection, denosumab, 1 mg (J0897)3,060 services
  3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)2,491 services
  4. Insertion of needle into vein for collection of blood sample (36415)2,470 services
  5. Red blood cell sedimentation rate, to detect inflammation, non-automated (85651)2,385 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 cholesterol75%
  • High blood pressure68%
  • Arthritis51%
  • Ischemic heart disease40%
  • Heart failure33%
  • Atrial fibrillation24%

Hospitals where Stephen R. Corday works

Medicare's Facility Affiliation Data lists Stephen R. Corday 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 Stephen R. Corday is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Los Angeles

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

All cardiologists in Los Angeles →

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year1974 (52 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1194759803
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