Owen Thomas Tierney, DO
Family Medicine Physician · Hermantown, MN
Owen Thomas Tierney, DO is a family medicine physician with a practice address in Hermantown, Minnesota, and NPI 1558984179, issued on May 19, 2020. Check the license (Minnesota 69961, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Owen Thomas Tierney
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 69961 MN
Self-reported in NPPES; status is on the state search - Practice location
- 4855 W Arrowhead RD, Hermantown, MN 55811
- Phone
- (218) 786-3540
- Enumerated
- May 19, 2020
- Record last updated
- Aug 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20230830004408); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →
Also registered at 4855 W Arrowhead RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Baczkiewicz, LGSWSocial Worker1710172481
- Susan BensonPhysical Therapist1457388878
- Emily Bergstedt, MDFamily Medicine Physician1720721632
- April BissonettePhysical Therapist1831267889
- Heather Brown, RN, CNPFamily Nurse Practitioner1588863963
- Michelle Carl, APRN,CNPFamily Nurse Practitioner1316589591
Verify Owen Thomas Tierney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 69961Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average family medicine physician in 2024
985 Medicare Part D claims for 196 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 13 claims were for opioids.
Most prescribed
- Amlodipine Besylate57 claims
- Rosuvastatin Calcium57 claims
- Atorvastatin Calcium52 claims
- Losartan Potassium45 claims
- Omeprazole41 claims
- Tamsulosin Hcl33 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 2 group practices
- Polinsky Medical Rehabilitation CenterDuluth, MN
- The Duluth Clinic LtdHermantown, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Owen Thomas Tierney among 3,985 family medicine physician records in Minnesota
Owen Thomas Tierney, DO is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 90% of them.
- NPI issued2020 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2006 among the 2,483 with a school on file
- Record last updated2023 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 family medicine physician records list a practice address in Hermantown
They are 15 of the 343 NPPES records with a practice address in Hermantown, and 3,985 family medicine physician records in Minnesota.
All 3,985 in Minnesota → Every provider in Hermantown → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Thomas Day, M.D.Duluth, MN 558111770572695
- James Donovan, MDDuluth, MN 558111568413078
- Jocelyn Dorscher, MDHermantown, MN 558111740230929
- David HyjekHermantown, MN 558111982778064
- Benjamin Johnson, MDDuluth, MN 558111164428280
- Sean Kempke, MDHermantown, MN 558111891709531
- Bruce KnutsenHermantown, MN 558111285668855
- Elizabeth Liljeblad, MDHermantown, MN 558111104875632
Common questions
What is Owen Thomas Tierney, DO's NPI number?
Owen Thomas Tierney, DO's National Provider Identifier (NPI) is 1558984179, issued on May 19, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Owen Thomas Tierney, DO located?
The NPPES record lists a practice address at 4855 W Arrowhead RD, Hermantown, MN, 55811. Phone: (218) 786-3540. Providers update this record themselves, so call before visiting.
How can I verify Owen Thomas Tierney, DO's license?
NPPES lists Minnesota license number 69961, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Owen Thomas Tierney, DO prescribe under Medicare Part D?
In 2024, Owen Thomas Tierney, DO had 985 Medicare Part D claims for 196 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.