Thomas J. Viren, MD
Emergency Medicine Physician · Grand Rapids, MN
Thomas J. Viren, MD is an emergency medicine physician with a practice address in Grand Rapids, Minnesota, and NPI 1699745331, issued on Jan 25, 2006. Check the license (Minnesota 44286, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Thomas J. Viren
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 44286 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Golf Course RD, Grand Rapids, MN 55744
- Phone
- (218) 326-5000
- Enumerated
- Jan 25, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20100608000944); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1998
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,348 in Minnesota → Look up another NPI →
Also registered at 1601 Golf Course RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suzanne Aldrich, NP-CAdult Health Nurse Practitioner1265872261
- Edwin Anderson, MDFamily Medicine Physician1083691828
- Derek Beyer, MDObstetrics & Gynecology Physician1265492912
- Marit Bjordal, PHARMDPharmacist1629303417
- Andrew BlairCertified Registered Nurse Anesthetist1205559754
- Katrina Boden, CNPNurse Practitioner1336020882
Verify Thomas J. Viren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 44286Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average emergency medicine physician in 2024
163 Medicare Part D claims for 109 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 17 claims were for opioids.
Most prescribed
- Cefuroxime16 claims
- Azithromycin11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Grand Itasca Clinic And HospitalGrand Rapids, MN · Acute Care Hospitals4 of 5 stars
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.
Thomas J. Viren among 1,348 emergency medicine physician records in Minnesota
Thomas J. Viren, MD is one of 1,348 emergency medicine physician records with a practice address in Minnesota. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 63% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1998 · median 2012 among the 818 with a school on file
- Record last updated2026 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Minnesota
There are 1,348 emergency medicine physician records in Minnesota.
All 1,348 in Minnesota → Every provider in Grand Rapids → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Johnson, MDGrand Rapids, MN 557441952371189
- Erika Kuehn, D.O.Grand Rapids, MN 557441770804445
- Bradford Wankhede Langenfeld, M.D.Grand Rapids, MN 557441811350093
- Ikemefuna AjaeloHibbing, MN 557461417988445
- Andrea Jolley-Paulet, M.D.Hibbing, MN 557461154301463
- Paul Kindamo, D.O.Hibbing, MN 557461144210071
- Arun Shankar, M.D.Moose Lake, MN 557671164471108
- David Anderson, MDCloquet, MN 557201124249743
Common questions
What is Thomas J. Viren, MD's NPI number?
Thomas J. Viren, MD's National Provider Identifier (NPI) is 1699745331, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas J. Viren, MD located?
The NPPES record lists a practice address at 1601 Golf Course RD, Grand Rapids, MN, 55744. Phone: (218) 326-5000. Providers update this record themselves, so call before visiting.
How can I verify Thomas J. Viren, MD's license?
NPPES lists Minnesota license number 44286, 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 Thomas J. Viren, MD prescribe under Medicare Part D?
In 2024, Thomas J. Viren, MD had 163 Medicare Part D claims for 109 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Thomas J. Viren, MD's MIPS final score?
The 2023 MIPS final score is 90.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.