NPPES file of Aug 9, 2026

Michael Winslow Gardner, MD

Cardiovascular Disease Physician · Portland, OR

Michael Winslow Gardner, MD is a cardiovascular disease physician with a practice address in Portland, Oregon, and NPI 1427410117, issued on Mar 22, 2016. Check the license (Oregon MD209315, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427410117
Name
Michael Winslow Gardner
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
MD209315 OR
Self-reported in NPPES; status is on the state search
Practice location
10000 SE Main St Ste 60, Portland, OR 97216
Phone
(503) 257-0959
Enumerated
Mar 22, 2016
Record last updated
Feb 25, 2025
Fax
(503) 256-7757
Medicare enrollment
Enrolled (PECOS I20220810002131); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10000 SE Main St Ste 60

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Fawaz Alhumaid, M.D.Clinical Cardiac Electrophysiology Physician1255515938
  2. Steven Beardsley, DNPFamily Nurse Practitioner1457903239
  3. Erin Boehm, MDCardiovascular Disease Physician1164788808
  4. Chad Carr, M.D.Cardiovascular Disease Physician1912119603
  5. Ronald Chelsky, M.D.Cardiovascular Disease Physician1851383707
  6. Daniel Feldman, MDInterventional Cardiology Physician1033351093

Verify Michael Winslow Gardner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD209315
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

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22% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

2,406 Medicare Part D claims for 379 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Michael Gardner2,406
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate318 claims
  2. Eliquis294 claims
  3. Atorvastatin Calcium257 claims
  4. Losartan Potassium176 claims
  5. Spironolactone146 claims
  6. Furosemide119 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

4 hospitals and group practices

  1. Mid-Columbia Medical CenterHood River, OR · Acute Care Hospitals4 of 5 stars
  2. Klickitat County Public Hospital District NO 1Goldendale, WA
  3. Northwest Medical Foundation OF TillamookTillamook, OR
  4. Portland Adventist Medical CenterPortland, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Michael Winslow Gardner among 265 cardiovascular disease physician records in Oregon

Michael Winslow Gardner, MD is one of 265 cardiovascular disease physician records with a practice address in Oregon. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 92% of them.

  • NPI issued2016 · 92% of these records are older, 7% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2016 · median 2001 among the 182 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Oregon

There are 265 cardiovascular disease physician records in Oregon.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Erin Boehm, MDPortland, OR 972161164788808
  2. Samuel Camacho, M.D.Portland, OR 972161598757452
  3. Chad Carr, M.D.Portland, OR 972161912119603
  4. Ronald Chelsky, M.D.Portland, OR 972161851383707
  5. Douglas Dawley, MDPortland, OR 972161205838091
  6. Mark Hart, M.D.Portland, OR 972161134111669
  7. Gail Jones, MDPortland, OR 972161356636351
  8. Lauren Lee, M.D.Portland, OR 972161164811931

Common questions

What is Michael Winslow Gardner, MD's NPI number?

Michael Winslow Gardner, MD's National Provider Identifier (NPI) is 1427410117, issued on Mar 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Michael Winslow Gardner, MD located?

The NPPES record lists a practice address at 10000 SE Main St Ste 60, Portland, OR, 97216. Phone: (503) 257-0959. Providers update this record themselves, so call before visiting.

How can I verify Michael Winslow Gardner, MD's license?

NPPES lists Oregon license number MD209315, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Winslow Gardner, MD prescribe under Medicare Part D?

In 2024, Michael Winslow Gardner, MD had 2,406 Medicare Part D claims for 379 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.