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Cardiovascular Disease (Cardiology)

Marina Z. Jansen, MD

Works at hospitals in Gig Harbor, WA · Lakewood, WA · Tacoma, WA … · Washington

Summary

Dr. Marina Z. Jansen, MD is a cardiologist at 11307 Bridgeport Way SW, Lakewood, WA 98499. Phone: (253) 426-6341. Accepts Medicare assignment. In 2024, Marina Z. Jansen had 790 Original Medicare patients and 1,899 services. NPI 1194019877. 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: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 11307 Bridgeport Way SW, Lakewood, WA 98499 · Directions (10 more locations)
  • Phone: (253) 426‑6341
  • Medicare: Accepts Medicare assignment
  • Hospitals: St Anthony Hospital, St Clare Hospital, St Joseph Medical Center and 1 more
  • Group practice: Franciscan Medical Group
  • Medical school: graduated 2008 (18 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Marina Z. Jansen, 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 Marina Z. Jansen accept Medicare assignment?
Yes. Medicare's clinician data says Marina Z. Jansen 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 Marina Z. Jansen see?
In 2024, CMS data shows 790 Original Medicare patients and 1,899 services for Marina Z. Jansen. This counts Original Medicare only and measures volume, not quality.
What is Marina Z. Jansen's NPI number?
1194019877. 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 Marina Z. Jansen, 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 patients790
Services billed to Medicare1,899
Different services or procedures37
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)656 services
  2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)268 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)246 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)166 services
  5. Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)56 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%
  • Ischemic heart disease59%
  • Heart failure52%
  • Arthritis50%
  • Atrial fibrillation50%

Hospitals where Marina Z. Jansen works

Medicare's Facility Affiliation Data lists Marina Z. Jansen 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.

  • St Anthony HospitalGig Harbor, WA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 500151
  • St Clare HospitalLakewood, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500021
  • St Joseph Medical CenterTacoma, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500108
  • St Michael Medical CenterSilverdale, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 500039

Practice locations

Addresses where Marina Z. Jansen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.

  • 11307 Bridgeport Way SWLakewood, WA 98499
  • 11315 Bridgeport Way SWLakewood, WA 98499 (253) 426‑6341
  • 11511 Canterwood BlvdGig Harbor, WA 98332
  • 11511 Canterwood Blvd NW, Suite 100Gig Harbor, WA 98332 (253) 627‑1244
  • 11567 Canterwood Blvd NWGig Harbor, WA 98332 (253) 426‑6341

Group practices

Medicare enrollment lists Marina Z. Jansen as a member of this group (CMS data updated October 2, 2026).

  • Franciscan Medical Group1,421 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Washington →

Other cardiologists in Lakewood

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

All cardiologists in Lakewood →

Other clinicians in Franciscan Medical Group

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

Clinician information

CredentialMD
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1194019877
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