Dr. Michael W. Gardner, MD
Cardiology (Cardiovascular Disease Physician)
- Medicare participating
At a glance
- Years since graduation
- 10
- In the NPI registry since
- 2016
- Medicare patients seen, 2024
- 1,012
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2016Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Cardiovascular Disease Physician primary
OR license MD209315
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Ohsu Hospital and Clinics Portland, OR
- Adventist Health Portland Portland, OR
- Columbia Memorial Hospital Astoria, OR
- Adventist Health Tillamook Tillamook, OR
- Mid-Columbia Medical Center The Dalles, OR
Medical groups
- Portland Adventist Medical Center (271 clinicians)
- Mid-Columbia Medical Center (94 clinicians)
- Northwest Medical Foundation of Tillamook (82 clinicians)
- Klickitat County Public Hospital District No 1 (43 clinicians)
- Public Hospital District No. 2, Klickitat County, Washington (41 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 1,012
- Services billed
- 1,782
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 762 | 558 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 458 | 457 |
| Established patient office or other outpatient visit, 30-39 minutes | 94 | 67 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 60 | 32 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 52 | 52 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | 36 | 35 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 32 | 32 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 32 | 32 |
| Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | 31 | 31 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 30 | 28 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 2 companies reported 2 payments worth $62.29 in total to this clinician.
| Davol Inc. | $39.98 |
|---|---|
| Boston Scientific Corporation | $22.31 |
| Food and Beverage | $62.29 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.