Mark A. Wikenheiser, M.D.
Orthopaedic Surgery Physician · Fairmont, MN
Mark A. Wikenheiser, M.D. is an orthopaedic surgery physician with a practice address in Fairmont, Minnesota, and NPI 1629161757, issued on Oct 2, 2006. Check the license on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Mark A. Wikenheiser
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 40564 WI
Self-reported in NPPES; status is on the state search - Practice location
- 800 Medical Center Dr, Fairmont, MN 56031
- Phone
- (507) 238-8100
- Enumerated
- Oct 2, 2006
- Record last updated
- Jul 26, 2024
- Medicaid IDs
- 32555900 WI
493363000 MN - Medicare enrollment
- Enrolled (PECOS I20240925004179); accepts Medicare assignment
- Medical or professional school
- University Of North Dakota School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 647 in Minnesota → Look up another NPI →
Also registered at 800 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Anderson, PHD LPPsychologist1942285192
- Robin Arndorfer, RN, CDEDiabetes Educator Registered Nurse1700861309
- Timothy Bachenberg, MDFamily Medicine Physician1093799603
- Perry Berhow, P.A.Physician Assistant1710961958
- Stephen Berthelsen, MDOrthopaedic Surgery Physician1225046246
- Elizabeth Bertrand, RDN, LDRegistered Dietitian1295355022
Verify Mark A. Wikenheiser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical PracticeCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
72 Medicare Part D claims for 37 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 23 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen18 claims
- Amoxicillin14 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
- Coastal Plains Physician AssociatesVarnville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Wikenheiser among 647 orthopaedic surgery physician records in Minnesota
Mark A. Wikenheiser, M.D. is one of 647 orthopaedic surgery physician records with a practice address in Minnesota. 76% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 51% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1987 · median 2008 among the 420 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 orthopaedic surgery physician records list a practice address in Fairmont
They are 3 of the 212 NPPES records with a practice address in Fairmont, and 647 orthopaedic surgery physician records in Minnesota.
All 647 in Minnesota → Every provider in Fairmont → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Stephen Berthelsen, MDFairmont, MN 560311225046246
- Corey Welchlin, D.O.Fairmont, MN 560311649241977
- K. Stephen Kazi, M.D.Blue Earth, MN 560131932396678
- Mark Ciota, M.D.Albert Lea, MN 560071184603581
- Michael Eckstrom, M.D.Albert Lea, MN 560071841279197
- Scott Riester, MDAlbert Lea, MN 560071700042710
- Scott Allen, MDMankato, MN 560011134573975
- Taylor Beahrs, MDMankato, MN 560011255690996
Common questions
What is Mark A. Wikenheiser, M.D.'s NPI number?
Mark A. Wikenheiser, M.D.'s National Provider Identifier (NPI) is 1629161757, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Wikenheiser, M.D. located?
The NPPES record lists a practice address at 800 Medical Center Dr, Fairmont, MN, 56031. Phone: (507) 238-8100. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Wikenheiser, M.D.'s license?
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 Mark A. Wikenheiser, M.D. prescribe under Medicare Part D?
In 2024, Mark A. Wikenheiser, M.D. had 72 Medicare Part D claims for 37 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.