NPPES file of Aug 9, 2026

Jacob Joseph Dirkman, DO

Emergency Medical Services (Emergency Medicine) Physician · Wausau, WI

Jacob Joseph Dirkman, DO is an emergency medical services (emergency medicine) physician with a practice address in Wausau, Wisconsin, and NPI 1053993881, issued on Apr 21, 2021. Check the license (Wisconsin 81413-21, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1053993881
Name
Jacob Joseph Dirkman
Credential
DO
Primary taxonomy
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
License number
81413-21 WI
Self-reported in NPPES; status is on the state search
Practice location
333 Pine Ridge Blvd, Wausau, WI 54401
Phone
(800) 283-2881
Enumerated
Apr 21, 2021
Record last updated
Feb 28, 2024
Medicare enrollment
Enrolled (PECOS I20240614003337); accepts Medicare assignment
Medical or professional school
Des Moines University Of Osteopathic Medicine And Health Sciences, 2021
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 333 Pine Ridge Blvd

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

  1. Olivia Addison, M.S., CF-SLPSpeech-Language Pathologist1801485420
  2. Belal Afridi, MDEmergency Medicine Physician1548218308
  3. Sydney AlexanderOccupational Therapist1124689104
  4. Alanna AmbrosiusPharmacist1558213330
  5. Katelin BagleyOncology Registered Nurse1194678284
  6. Victoria BallardGenetic Counselor (M.S.)1942872791

Verify Jacob Joseph Dirkman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 81413-21
    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 Wisconsin license search

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64% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024

106 Medicare Part D claims for 80 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Jacob Dirkman106
  2. Specialty average292

Most prescribed

  1. Prednisone16 claims
  2. Cephalexin13 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. Aspirus Wausau Hospital IncWausau, WI

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

Emergency Medical Services (Emergency Medicine) Physician providers in Wisconsin

There are 41 emergency medical services (emergency medicine) physician records in Wisconsin.

Other emergency medical services (emergency medicine) physician records in Wisconsin

  1. Mohammed AdlanMilwaukee, WI1164137121
  2. Richard Barney, MDJanesville, WI1851408041
  3. Daniel Beaver, MDBaraboo, WI1558340539
  4. Landy Bonelli, MDMilwaukee, WI1043268998
  5. Qurisha BoydWaukesha, WI1225818339
  6. Larry Brunzlick, MDMedford, WI1770646721
  7. Edward Bueno, MDBaraboo, WI1568441087
  8. Nanci Cherry, M.D.Prairie Du Chien, WI1396879268
  9. Mohammed Dodwad, MDLadysmith, WI1669407649
  10. Trevor Fenrich, EMT-BOshkosh, WI1114611969

Common questions

What is Jacob Joseph Dirkman, DO's NPI number?

Jacob Joseph Dirkman, DO's National Provider Identifier (NPI) is 1053993881, issued on Apr 21, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Jacob Joseph Dirkman, DO located?

The NPPES record lists a practice address at 333 Pine Ridge Blvd, Wausau, WI, 54401. Phone: (800) 283-2881. Providers update this record themselves, so call before visiting.

How can I verify Jacob Joseph Dirkman, DO's license?

NPPES lists Wisconsin license number 81413-21, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jacob Joseph Dirkman, DO prescribe under Medicare Part D?

In 2024, Jacob Joseph Dirkman, DO had 106 Medicare Part D claims for 80 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.