Justin Gabriel Hartke, M.D.
Gastroenterology Physician · Wausau, WI
Justin Gabriel Hartke, M.D. is a gastroenterology physician with a practice address in Wausau, Wisconsin, and NPI 1154689685, issued on May 3, 2012. Check the license (Wisconsin 69359-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Justin Gabriel Hartke
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 69359-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 411 Westwood Dr, Wausau, WI 54401
- Phone
- (715) 847-2558
- Enumerated
- May 3, 2012
- Record last updated
- Jul 3, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (715) 847-2557
- Medicare enrollment
- Enrolled (PECOS I20180820001506); accepts Medicare assignment
- Medical or professional school
- Wright State University Boonshoft School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
Also registered at 411 Westwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Brown, M.D.Pediatric Gastroenterology Physician1477627149
- Veronika Gagovic, M.D.Gastroenterology Physician1154504538
- Adam GodseyGastroenterology Physician1932465523
- Raymond Hartke, M.D.Gastroenterology Physician1952475931
- Vance Hartke, MDGastroenterology Physician1295260453
- Michael Hein, CRNACertified Registered Nurse Anesthetist1104821651
Verify Justin Gabriel Hartke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 69359-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average gastroenterology physician in 2024
1,496 Medicare Part D claims for 322 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Omeprazole281 claims
- Pantoprazole Sodium149 claims
- Linzess97 claims
- Colestipol Hcl88 claims
- Sucralfate81 claims
- Famotidine68 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Gastrointestinal Associates S.C.Wausau, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Gabriel Hartke among 340 gastroenterology physician records in Wisconsin
Justin Gabriel Hartke, M.D. is one of 340 gastroenterology physician records with a practice address in Wisconsin. 83% 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 75% of them.
- NPI issued2012 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2012 · median 2003 among the 239 with a school on file
- Record last updated2018 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Wisconsin
There are 340 gastroenterology physician records in Wisconsin.
All 340 in Wisconsin → Every provider in Wausau → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Veronika Gagovic, M.D.Wausau, WI 544011154504538
- Adam GodseyWausau, WI 544011932465523
- Raymond Hartke, M.D.Wausau, WI 544011952475931
- Vance Hartke, MDWausau, WI 544011295260453
- Andrew Johannes, D.O.Wausau, WI 544011821437229
- Eric Johnson, M.D.Wausau, WI 544011245276534
- James Schlais, M.D.Wausau, WI 544011740354745
- Benjamin Schneeberger, M.D.Wausau, WI 544011982778700
Common questions
What is Justin Gabriel Hartke, M.D.'s NPI number?
Justin Gabriel Hartke, M.D.'s National Provider Identifier (NPI) is 1154689685, issued on May 3, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Justin Gabriel Hartke, M.D. located?
The NPPES record lists a practice address at 411 Westwood Dr, Wausau, WI, 54401. Phone: (715) 847-2558. Providers update this record themselves, so call before visiting.
How can I verify Justin Gabriel Hartke, M.D.'s license?
NPPES lists Wisconsin license number 69359-20, 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 Justin Gabriel Hartke, M.D. prescribe under Medicare Part D?
In 2024, Justin Gabriel Hartke, M.D. had 1,496 Medicare Part D claims for 322 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Justin Gabriel Hartke, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.