NPPES file of Aug 9, 2026

Mark John Dehnel

Physician Assistant · Denmark, WI

Mark John Dehnel is a physician assistant with a practice address in Denmark, Wisconsin, and NPI 1578548947, issued on Dec 8, 2005. Check the license (Wisconsin 991, as entered in NPPES) with the Wisconsin board that licenses this profession; 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
1578548947
Name
Mark John Dehnel
Primary taxonomy
Physician Assistant 363A00000X
License number
991 WI
Self-reported in NPPES; status is on the state search
Practice location
595 County Road R, Denmark, WI 54208
Phone
(920) 863-2005
Enumerated
Dec 8, 2005
Record last updated
May 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040401000927); accepts Medicare assignment
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 595 County Road R

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

  1. Deborah Hoffman, NPFamily Nurse Practitioner1841275245

Verify Mark John Dehnel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 991
    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
Find the Wisconsin license search

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7.7 times the Medicare Part D claims of the average physician assistant in 2024

6,353 Medicare Part D claims for 506 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 217 claims were for opioids.

  1. Mark Dehnel6,353
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium566 claims
  2. Lisinopril345 claims
  3. Amlodipine Besylate296 claims
  4. Rosuvastatin Calcium237 claims
  5. Metoprolol Succinate235 claims
  6. Omeprazole196 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

  1. Bellin Memorial Hospital IncGreen Bay, WI

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

Mark John Dehnel among 3,475 physician assistant records in Wisconsin

Mark John Dehnel is one of 3,475 physician assistant records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 96% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1997 · median 2016 among the 2,491 with a school on file
  • Record last updated2021 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 physician assistant record lists a practice address in Denmark

They are 1 of the 25 NPPES records with a practice address in Denmark, and 3,475 physician assistant records in Wisconsin.

The 8 physician assistant records with the nearest ZIP codes

  1. Anna Giblin, PAEgg Harbor, WI 542091457137556
  2. Lisa Olson, PHYSICIAN ASSISTANTAlgoma, WI 542011336128081
  3. Tina Schmidt, PAAlgoma, WI 542011033194261
  4. Mark Fuss, PAKewaunee, WI 542161104811793
  5. Shanna LarochelleKewaunee, WI 542161508352311
  6. Bonnie Mueller-Waigand, PAKewaunee, WI 542161649254384
  7. Brandon Beck, PA-CManitowoc, WI 542201447546569
  8. Amanda Crooks, PA-CManitowoc, WI 542201134668221

Common questions

What is Mark John Dehnel's NPI number?

Mark John Dehnel's National Provider Identifier (NPI) is 1578548947, issued on Dec 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark John Dehnel located?

The NPPES record lists a practice address at 595 County Road R, Denmark, WI, 54208. Phone: (920) 863-2005. Providers update this record themselves, so call before visiting.

How can I verify Mark John Dehnel's license?

NPPES lists Wisconsin license number 991, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Mark John Dehnel prescribe under Medicare Part D?

In 2024, Mark John Dehnel had 6,353 Medicare Part D claims for 506 beneficiaries; the average among physician assistant prescribers was 830. 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.