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Cardiovascular Disease (Cardiology)

Michael Gardner, MD

Works at hospitals in Portland, OR · Tillamook, OR · Astoria, OR … · Oregon

Summary

Michael Gardner, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 5 hospitals in Portland, OR, Tillamook, OR and Astoria, OR and other places. NPI 1427410117. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael Gardner, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
MaleGender (as listed)
Portland Adventist Medical CenterGroup practice (+4 more)

Quick answers

Which hospitals does Michael Gardner work at?
Medicare's official clinician data lists Michael Gardner at 5 hospitals: Adventist Health Portland, Adventist Health Tillamook, Columbia Memorial Hospital, Mid-Columbia Medical Center and OHSU Hospital and Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael Gardner see patients?
Medicare's clinician data lists 7 practice locations, including Tillamook, OR, Portland, OR and White Salmon, WA. Call before your visit to confirm the address.
What is Michael Gardner's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
Does Michael Gardner accept Medicare assignment?
Yes. Medicare's clinician data says Michael Gardner accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Michael Gardner?
(503) 815-2260, as listed in official Medicare / NPI Registry data.
What is Michael Gardner's NPI number?
1427410117. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael Gardner works

Medicare's Facility Affiliation Data lists Michael Gardner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Michael Gardner is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Michael Gardner as a member of these groups (CMS data updated 2026-10-02).

  • Portland Adventist Medical Center271 clinicians in the group
  • Mid-Columbia Medical Center94 clinicians in the group
  • Northwest Medical Foundation of Tillamook82 clinicians in the group
  • Klickitat County Public Hospital District No 143 clinicians in the group
  • Public Hospital District No. 2, Klickitat County, Washington41 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Oregon →

Other cardiologists in Oregon

Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.

All cardiologists in Oregon →

Clinician information

CredentialMD
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427410117
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians