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

Emergency Medicine

Edward Kokosinski, DO

Works at hospitals in Marina del Rey, CA · Northridge, CA · Petaluma, CA · California

Summary

Dr. Edward Kokosinski, DO is an emergency medicine doctor at 1375 University St, Healdsburg, CA 95448. Phone: (707) 431-6500. Accepts Medicare assignment. In 2024, Edward Kokosinski had 358 Original Medicare patients and 710 services. NPI 1720321078. 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 Edward Kokosinski, 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 Edward Kokosinski accept Medicare assignment?
Yes. Medicare's clinician data says Edward Kokosinski 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 Edward Kokosinski see?
In 2024, CMS data shows 358 Original Medicare patients and 710 services for Edward Kokosinski. This counts Original Medicare only and measures volume, not quality.
What is Edward Kokosinski's NPI number?
1720321078. 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 Edward Kokosinski, 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 patients358
Services billed to Medicare710
Different services or procedures31
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)285 services
  2. Emergency department visit with high level of medical decision making (99285)208 services
  3. Critical care, first 30-74 minutes (99291)144 services
  4. Emergency department visit with moderate level of medical decision making (99284)19 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%
  • Arthritis66%
  • Ischemic heart disease65%
  • Heart failure56%
  • Diabetes54%

Hospitals where Edward Kokosinski works

Medicare's Facility Affiliation Data lists Edward Kokosinski 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.

  • Cedar-Sinai Marina del Rey HospitalMarina del Rey, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050740
  • Northridge Hospital Medical CenterNorthridge, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050116
  • Petaluma Valley HospitalPetaluma, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 050136

Practice locations

Addresses where Edward Kokosinski is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Edward Kokosinski as a member of these groups (CMS data updated October 2, 2026).

  • Ridgeline Emergency Physicians Medical Group, Inc.41 clinicians in the group
  • Mission Viejo Emergency Medical Associates, Inc.30 clinicians in the group
  • Sonoma Valley Emergency Physicians Medical Group, Inc6 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Healdsburg

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

All emergency medicine doctors in Healdsburg →

Other clinicians in Ridgeline Emergency Physicians Medical Group, Inc.

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

Clinician information

CredentialDO
Medical schoolArizona College Of Osteopathic Medicine Mid Western University
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1720321078
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