DR. MICHAEL WINSLOW GARDNER MD
NPI 1427410117
Internal Medicine - Cardiovascular Disease in Portland, OR

Active since March 22, 2016PECOS EnrolledAccepts Medicare Assignment
10000 SE MAIN ST STE 60, PORTLAND, OR 97216(503) 257-0959(503) 256-7757 Get Directions Write a Review

NPPES record last updated: February 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 25, 2025, Aug 3, 2022, Apr 11, 2019 and 1 more (4 updates tracked since 2016).

About Dr. Michael Winslow Gardner Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHAEL WINSLOW GARDNER MD (NPI 1427410117) is an individual cardiovascular disease provider in Portland, Oregon, licensed in Oregon (MD209315) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Mid-columbia Medical Center, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1427410117
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. MICHAEL WINSLOW GARDNERCredential: MD
Location Address10000 SE MAIN ST STE 60Portland, OR 97216-2474
Mailing Address10000 Se Main St Ste 60Portland, OR 97216-2474 · (503) 257-0959
Fax(503) 256-7757
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 22, 2016
Last NPPES UpdateFebruary 25, 20254 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2025
NPI 1427410117 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in OR · MD209315
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
10000 SE MAIN ST STE 60, Portland, OR 97216

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael Winslow Gardner Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6800182791
PECOS Enrollment IDI20220810002131, I20220810002477
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 18

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
697 services522 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
207 services203 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
157 services155 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
111 services71 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
86 services41 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
49 services49 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mid-Columbia Medical Center

Acute Care Hospitals · The Dalles, OR
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380001
Location1700 E 19th StreetThe Dalles, OR 97058 · Wasco County
Emergency services Birthing friendly

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Adventist Health Portland

Acute Care Hospitals · Portland, OR
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380060
Location10123 SE Market StreetPortland, OR 97216 · Multnomah County
Emergency services Birthing friendly

Adventist Health Tillamook

Critical Access Hospitals · Tillamook, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number381317
Location1000 Third StreetTillamook, OR 97141 · Tillamook County
Emergency services

Klickitat Valley Hospital

Critical Access Hospitals · Goldendale, WA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501316
Location310 South Roosevelt StGoldendale, WA 98620 · Klickitat County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97216 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant (Medical)
10000 SE MAIN ST STE 60
PORTLAND, OR 97216
Internal Medicine (Interventional Cardiology)
10000 SE MAIN ST STE 60
PORTLAND, OR 97216
Nurse Practitioner
10000 SE MAIN ST STE 60
PORTLAND, OR 97216
Internal Medicine (Cardiovascular Disease)
10000 SE MAIN ST STE 60
PORTLAND, OR 97216
Internal Medicine (Cardiovascular Disease)
10000 SE MAIN ST STE 60
PORTLAND, OR 97216
Internal Medicine (Cardiovascular Disease)
10000 SE MAIN ST STE 60
PORTLAND, OR 97216
Internal Medicine (Clinical Cardiac Electrophysiology)
10000 SE MAIN ST STE 60
PORTLAND, OR 97216
Internal Medicine (Cardiovascular Disease)
10000 SE MAIN ST STE 60
PORTLAND, OR 97216

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Gardner's NPI number?

The NPI number for Michael Gardner is 1427410117. It was assigned to this individual provider in the NPPES registry on March 22, 2016.

Where is Michael Gardner located?

Michael Gardner practices at 10000 SE Main St Ste 60, Portland, OR 97216. The listed phone number is (503) 257-0959.

What is Michael Gardner's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Michael Gardner enrolled in Medicare?

Yes. Michael Gardner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Michael Gardner accept?

Health plans from Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Michael Gardner as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Michael Gardner affiliated with any hospitals?

According to CMS data, Michael Gardner is affiliated with Mid-Columbia Medical Center, Ohsu Hospital And Clinics, Adventist Health Portland, Adventist Health Tillamook and Klickitat Valley Hospital.

When was this NPI record last updated?

The NPPES record for Michael Gardner was last updated on February 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.