Mark R. Johnston, DPM
Podiatrist · Willmar, MN
Mark R. Johnston, DPM is a podiatrist with a practice address in Willmar, Minnesota, and NPI 1912973058, issued on Feb 28, 2006. Check the license (Minnesota 546, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark R. Johnston
- Credential
- DPM
- Primary taxonomy
- Podiatrist 213E00000X
- License number
- 546 MN
Self-reported in NPPES; status is on the state search - Practice location
- 101 Willmar Ave SW, Willmar, MN 56201
- Phone
- (320) 231-5000
- Enumerated
- Feb 28, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (320) 231-5067
- Medicare enrollment
- Enrolled (PECOS I20091230000566); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest podiatrist records → All 147 in Minnesota → Look up another NPI →
Also registered at 101 Willmar Ave SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott Abrams, M.D.Family Medicine Physician1265498430
- Yasin AhmedPhysician Assistant1760103345
- Katherine AndersonPharmacist1730798760
- Michael Anderson, MDInternal Medicine Physician1760459127
- Norris Anderson, MDFamily Medicine Physician1598732893
- James Andresen, PHYSICAL THERAPISTPhysical Therapist1386708907
Verify Mark R. Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license 546Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average podiatrist in 2024
155 Medicare Part D claims for 84 beneficiaries, against an average of 314 among the 6,407 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ammonium Lactate44 claims
- Clotrimazole35 claims
- Cephalexin19 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
- Centracare Clinic Southwest LLCWillmar, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark R. Johnston among 147 podiatrist records in Minnesota
Mark R. Johnston, DPM is one of 147 podiatrist records with a practice address in Minnesota. 79% 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 18% of them.
- NPI issued2006 · 18% of these records are older, 39% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1980 · median 2003 among the 99 with a school on file
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213E00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Podiatrist providers in Minnesota
There are 147 podiatrist records in Minnesota.
All 147 in Minnesota → Every provider in Willmar → Podiatrist nationwide →
The 8 podiatrist records with the nearest ZIP codes
- Steven Saccoman, DPMWillmar, MN 562011841241775
- Brandon Tucker, DPMWillmar, MN 562011598142457
- Bennen BiermanWorthington, MN 561871255953675
- Amee Gibson, DPMMorris, MN 562671639372675
- Bruce Neumann, DPMOlivia, MN 562771679667554
- Walter Ellis, DPMSt Cloud, MN 563031588625958
- Joel Syvrud, DPMSaint Cloud, MN 563031356355630
- James Mann, DPMAlexandria, MN 563081992785844
Common questions
What is Mark R. Johnston, DPM's NPI number?
Mark R. Johnston, DPM's National Provider Identifier (NPI) is 1912973058, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Johnston, DPM located?
The NPPES record lists a practice address at 101 Willmar Ave SW, Willmar, MN, 56201. Phone: (320) 231-5000. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Johnston, DPM's license?
NPPES lists Minnesota license number 546, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Mark R. Johnston, DPM prescribe under Medicare Part D?
In 2024, Mark R. Johnston, DPM had 155 Medicare Part D claims for 84 beneficiaries; the average among podiatrist prescribers was 314. 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.