Michael Cowles, APRN
Nurse Practitioner · Tualatin, OR
Michael Cowles, APRN is a nurse practitioner with a practice address in Tualatin, Oregon, and NPI 1891142410, issued on May 24, 2016. Check the license (Oregon 202101276NP-PP, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Cowles
- Credential
- APRN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 202101276NP-PP OR
APRN002179 NV
Self-reported in NPPES; status is on the state search - Practice location
- 19185 SW 90TH Ave, Tualatin, OR 97062
- Phone
- (800) 813-2000
- Enumerated
- May 24, 2016
- Record last updated
- Sep 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20210917000416); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 599 in Oregon → Look up another NPI →
Also registered at 19185 SW 90TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nikki Alkire, LCSWClinical Social Worker1023124195
- Kristyn Anthony, M.D.Allergy & Immunology Physician1326364753
- Susan Aslani, MSPTOrthopedic Physical Therapist1760547426
- Tin Zar AungInternal Medicine Physician1194019190
- Rick Baldwin, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1962945329
Verify Michael Cowles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 202101276NP-PPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average nurse practitioner in 2024
1,760 Medicare Part D claims for 220 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 24 claims were for opioids.
Most prescribed
- Atorvastatin Calcium103 claims
- Losartan Potassium92 claims
- Amlodipine Besylate79 claims
- Pantoprazole Sodium45 claims
- Lisinopril42 claims
- Albuterol Sulfate Hfa41 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The NorthwestTualatin, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Cowles among 599 nurse practitioner records in Oregon
Michael Cowles, APRN is one of 599 nurse practitioner records with a practice address in Oregon. 72% 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 54% of them.
- NPI issued2016 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2015 · median 2017 among the 333 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in Oregon
There are 599 nurse practitioner records in Oregon.
All 599 in Oregon → Every provider in Tualatin → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Lindsay Kleps, FNPTualatin, OR 970621750471025
- Jonathan MaldonadoTualatin, OR 970621902684491
- Christine Prentice, APRN-RXTualatin, OR 970621518530716
- Debra White, FNPTualatin, OR 970621407150949
- Julia Otterlei, N.P.Vernonia, OR 970641326511239
- Lynne Allen, MN, ARNPThe Dalles, OR 970581134183999
- Annika Brooks, ARNPThe Dalles, OR 970581558995159
- Toni Corcoran-Smith, FNPThe Dalles, OR 970581790767333
Common questions
What is Michael Cowles, APRN's NPI number?
Michael Cowles, APRN's National Provider Identifier (NPI) is 1891142410, issued on May 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Michael Cowles, APRN located?
The NPPES record lists a practice address at 19185 SW 90TH Ave, Tualatin, OR, 97062. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.
How can I verify Michael Cowles, APRN's license?
NPPES lists Oregon license number 202101276NP-PP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Cowles, APRN prescribe under Medicare Part D?
In 2024, Michael Cowles, APRN had 1,760 Medicare Part D claims for 220 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.