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Emergency Medicine

Seth M. Oskie, MD

Works at hospitals in Marina del Rey, CA · California

Summary

Dr. Seth M. Oskie, MD is an emergency medicine doctor at 4650 Lincoln Blvd, Marina Del Rey, CA 90292. Phone: (310) 118-5200. Accepts Medicare assignment. In 2024, Seth M. Oskie had 418 Original Medicare patients and 619 services. NPI 1194903450. 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: 4650 Lincoln Blvd, Marina Del Rey, CA 90292 · Directions
  • Phone: (310) 118‑5200
  • Medicare: Accepts Medicare assignment
  • Hospital: Cedar-Sinai Marina del Rey Hospital
  • Group practice: Mission Viejo Emergency Medical Associates, Inc.
  • Medical school: University Of Minnesota, Duluth School Of Medicine · graduated 2007 (19 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Seth M. Oskie, 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 Seth M. Oskie accept Medicare assignment?
Yes. Medicare's clinician data says Seth M. Oskie 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 Seth M. Oskie see?
In 2024, CMS data shows 418 Original Medicare patients and 619 services for Seth M. Oskie. This counts Original Medicare only and measures volume, not quality.
What is Seth M. Oskie's NPI number?
1194903450. 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 Seth M. Oskie, 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 patients418
Services billed to Medicare619
Different services or procedures29
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)214 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)147 services
  3. Emergency department visit with moderate level of medical decision making (99284)114 services
  4. Critical care, first 30-74 minutes (99291)97 services
  5. Emergency department visit with low level of medical decision making (99283)16 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%
  • Arthritis59%
  • Ischemic heart disease46%
  • Diabetes41%
  • Heart failure41%

Hospitals where Seth M. Oskie works

Medicare's Facility Affiliation Data lists Seth M. Oskie 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 Seth M. Oskie is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Mission Viejo Emergency Medical Associates, Inc.30 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Marina Del Rey

Clinicians with the same Medicare primary specialty in Marina Del Rey, CA — not a recommendation.

All emergency medicine doctors in Marina Del Rey →

Other clinicians in Mission Viejo Emergency Medical Associates, Inc.

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

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota, Duluth School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194903450
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