John Michael Tinjum, M.D.
Internal Medicine Physician · Moorhead, MN
John Michael Tinjum, M.D. is an internal medicine physician with a practice address in Moorhead, Minnesota, and NPI 1093953366, issued on Jan 26, 2009. Check the license (Minnesota 59995, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- John Michael Tinjum
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 59995 MN
12400 ND
Self-reported in NPPES; status is on the state search - Practice location
- 4000 28TH Ave S, Moorhead, MN 56560
- Phone
- (701) 234-3261
- Enumerated
- Jan 26, 2009
- Record last updated
- Mar 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (701) 417-6802
- Medicaid ID
- 81347 ND
- Medicare enrollment
- Enrolled (PECOS I20141230000908); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,632 in Minnesota → Look up another NPI →
Also registered at 4000 28TH Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Austin Anderson, DNP-FNP-CFamily Nurse Practitioner1992540595
- Mickey BaheCounselor1467254789
- Samantha Bartelt, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1013744937
- Carley Bayer, APRN, CNPNurse Practitioner1013534270
- Amy Bro, CNPNurse Practitioner1114314093
- Heather Bruggeman, MDFamily Medicine Physician1043888746
Verify John Michael Tinjum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 59995Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.5 times the Medicare Part D claims of the average internal medicine physician in 2024
14,325 Medicare Part D claims for 967 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 418 claims were for opioids.
Most prescribed
- Atorvastatin Calcium932 claims
- Lisinopril591 claims
- Amlodipine Besylate555 claims
- Rosuvastatin Calcium516 claims
- Metoprolol Succinate466 claims
- Omeprazole459 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): 83 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
- Sanford Medical Center FargoWest Fargo, ND · 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.
John Michael Tinjum among 2,632 internal medicine physician records in Minnesota
John Michael Tinjum, M.D. is one of 2,632 internal medicine physician records with a practice address in Minnesota. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 52% of them.
- NPI issued2009 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2007 · median 2008 among the 1,700 with a school on file
- Record last updated2016 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Minnesota
There are 2,632 internal medicine physician records in Minnesota.
All 2,632 in Minnesota → Every provider in Moorhead → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Sand, DOMoorhead, MN 565601154343705
- Logan Schmaltz, MDMoorhead, MN 565601891363222
- David Johnson, MDOgema, MN 565691952389306
- Michael Saber, M.D.Ogema, MN 565691336427855
- John Schatteles, MDOgema, MN 565691861422024
- David Bjork, M.D.Fergus Falls, MN 565371366470601
- Dillon BoenFergus Falls, MN 565371811798093
- Andre Genereux, M.D.Fergus Falls, MN 565371932581220
Common questions
What is John Michael Tinjum, M.D.'s NPI number?
John Michael Tinjum, M.D.'s National Provider Identifier (NPI) is 1093953366, issued on Jan 26, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Tinjum, M.D. located?
The NPPES record lists a practice address at 4000 28TH Ave S, Moorhead, MN, 56560. Phone: (701) 234-3261. Providers update this record themselves, so call before visiting.
How can I verify John Michael Tinjum, M.D.'s license?
NPPES lists Minnesota license number 59995, 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 John Michael Tinjum, M.D. prescribe under Medicare Part D?
In 2024, John Michael Tinjum, M.D. had 14,325 Medicare Part D claims for 967 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John Michael Tinjum, M.D.'s MIPS final score?
The 2023 MIPS final score is 83 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.