NPPES file of Aug 9, 2026

John D. Mayerhofer, MD

Hospitalist Physician · St Cloud, MN

John D. Mayerhofer, MD is a hospitalist physician with a practice address in St Cloud, Minnesota, and NPI 1144586918, issued on Apr 6, 2012. Check the license (Minnesota 108273, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144586918
Name
John D. Mayerhofer
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
108273 MN
Self-reported in NPPES; status is on the state search
Practice location
1200 Sixth Ave N, St Cloud, MN 56303
Phone
(320) 251-2700
Enumerated
Apr 6, 2012
Record last updated
Mar 28, 2023
Fax
(612) 904-4358
Medicare enrollment
Enrolled (PECOS I20150914000363); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1200 Sixth Ave N

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Olayiwola Adetunji, MBBSHospitalist Physician1578552477
  2. Oluyemi Ajayi, MBBSHospitalist Physician1972701217
  3. Chadd Allen, PA-CPhysician Assistant1699071803
  4. Sarah Babst, APRN, CNPFamily Nurse Practitioner1154799781
  5. David Benditt, MDCardiovascular Disease Physician1073559134
  6. Courtney Brever, PA-CPhysician Assistant1093120131

Verify John D. Mayerhofer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 108273
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Minnesota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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56% fewer Medicare Part D claims than the average hospitalist physician in 2024

231 Medicare Part D claims for 82 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. John Mayerhofer231
  2. Specialty average521

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

  1. Centracare ClinicSaint Cloud, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John D. Mayerhofer among 401 hospitalist physician records in Minnesota

John D. Mayerhofer, MD is one of 401 hospitalist physician records with a practice address in Minnesota. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 48% of them.

  • NPI issued2012 · 48% of these records are older, 45% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 88% of these records are
  • Graduated2012 · median 2011 among the 354 with a school on file
  • Record last updated2023 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 hospitalist physician records list a practice address in St Cloud

They are 29 of the 474 NPPES records with a practice address in St Cloud, and 401 hospitalist physician records in Minnesota.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Olayiwola Adetunji, MBBSSt Cloud, MN 563031578552477
  2. Christopher Aronson, MDSaint Cloud, MN 563031649269291
  3. Melissa Barry, MDSaint Cloud, MN 563031700846425
  4. Gregory Cooper, MDSaint Cloud, MN 563031730179870
  5. Sherrie Erickson-Birkedahl, MDSt Cloud, MN 563031407830482
  6. Gemma Lim, MD, FACPSt Cloud, MN 563031497726749
  7. Paul Marek, MD, FHMSt Cloud, MN 563031134118920
  8. Eric McFarling, MDSt Cloud, MN 563031467437251

Common questions

What is John D. Mayerhofer, MD's NPI number?

John D. Mayerhofer, MD's National Provider Identifier (NPI) is 1144586918, issued on Apr 6, 2012. An NPI identifies a provider in billing; it is not a license.

Where is John D. Mayerhofer, MD located?

The NPPES record lists a practice address at 1200 Sixth Ave N, St Cloud, MN, 56303. Phone: (320) 251-2700. Providers update this record themselves, so call before visiting.

How can I verify John D. Mayerhofer, MD's license?

NPPES lists Minnesota license number 108273, 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 D. Mayerhofer, MD prescribe under Medicare Part D?

In 2024, John D. Mayerhofer, MD had 231 Medicare Part D claims for 82 beneficiaries; the average among hospitalist physician prescribers was 521. 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.