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

Cardiac Electrophysiology

Adam H. Zivin, MD

Works at hospitals in Port Angeles, WA · Edmonds, WA · Issaquah, WA … · Washington

Summary

Dr. Adam H. Zivin, MD is a cardiac electrophysiologist at 550 17th Ave, Fl 6, Seattle, WA 98122. Phone: (206) 861-8550. Accepts Medicare assignment. In 2024, Adam H. Zivin had 1,332 Original Medicare patients and 4,700 services. NPI 1578670154. 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 Adam H. Zivin, 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 Adam H. Zivin accept Medicare assignment?
Yes. Medicare's clinician data says Adam H. Zivin 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 Adam H. Zivin see?
In 2024, CMS data shows 1,332 Original Medicare patients and 4,700 services for Adam H. Zivin. This counts Original Medicare only and measures volume, not quality.
What is Adam H. Zivin's NPI number?
1578670154. 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 Adam H. Zivin, 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 patients1,332
Services billed to Medicare4,700
Different services or procedures63
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)1,179 services
  2. Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)709 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)558 services
  4. Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (93295)479 services
  5. Heart rhythm review and interpretation of continous external ekg over 8-15 days (93248)211 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%
  • Atrial fibrillation61%
  • Ischemic heart disease46%
  • Arthritis45%
  • Heart failure44%

Hospitals where Adam H. Zivin works

Medicare's Facility Affiliation Data lists Adam H. Zivin 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.

  • Olympic Medical CenterPort Angeles, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500072
  • Swedish Edmonds HospitalEdmonds, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500026
  • Swedish IssaquahIssaquah, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500152
  • Swedish Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500027
  • Swedish Medical Center / Cherry HillSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500025

Practice locations

Addresses where Adam H. Zivin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Adam H. Zivin as a member of this group (CMS data updated October 2, 2026).

  • Swedish Health Services79 clinicians in the group

Specialties

Find other Cardiac Electrophysiology doctors in Washington →

Other cardiac electrophysiologists in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

All cardiac electrophysiologists in Seattle →

Other clinicians in Swedish Health Services

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

Clinician information

CredentialMD
Medical schoolOregon Health Sciences University School Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578670154
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