Physician

Justin Gabriel Hartke, M.D.

According to 2025 Medicare claims, Justin Hartke, M.D. (NPI: 1154689685) practices gastroenterology in the Wausau, WI market, with the plurality of this provider's patient population coming from Marathon, WI. This provider's primary affiliated billing organization is GASTROINTESTINAL ASSOCIATES S.C. (NPI: 1760546949; TIN: 391735324) and primary practice location at 54401-4152. Hartke is affiliated with the THEDACARE ACO (ACO ID: A4988), participating under the MSSP model.

Hartke's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 293 traditional Medicare patients, billed 5,749 HCPCS/CPT codes, and received $143,448 in Medicare payments. The top billing code was 45385 (Removal of polyps or growths of large bowel using an endoscope with mechanical snare). Part D data shows 1,496 prescription claims across 322 beneficiaries totaling $2,088,318 in drug costs, led by Stelara (Ustekinumab). No Open Payments records. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has moved up and down with repeated peaks and valleys, starting at $59,539 and ending at $143,448. Concurrently, Part D prescription costs have risen steadily, from $27,422 to $2,088,318. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	83	3,531	$59,539
2019	218	5,298	$141,958
2020	212	4,928	$101,333
2021	293	8,612	$168,897
2022	261	4,546	$130,021
2023	229	8,662	$119,333
2024	293	5,749	$143,448

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	60	304	$27,422
2016	26	47	$681
2017	34	37	$1,783
2018	56	119	$68,368
2019	102	373	$55,252
2020	162	590	$184,828
2021	233	878	$197,205
2022	269	1,066	$526,547
2023	280	1,125	$1,084,596
2024	322	1,496	$2,088,318

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

No connected DME records

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
45385	Removal of polyps or growths of large bowel using an endoscope with mechanical snare	105	107	$179
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$116
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	32	$90
45380	Biopsy of large bowel using a flexible endoscope	46	47	$59
43239	Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	71	74	$52

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Stelara	Ustekinumab	54	2,156	$1,496,382
Creon	Lipase/Protease/Amylase	40	1,150	$109,922
Linzess	Linaclotide	97	3,390	$60,003
Zenpep	Lipase/Protease/Amylase	17	750	$52,379
Ursodiol	Ursodiol	39	2,232	$8,270

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

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FAQ

What Medicare data is available for Justin Gabriel Hartke, M.D.?

Tedicare shows public-source Medicare data for Justin Gabriel Hartke, M.D. (NPI 1154689685), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Justin Gabriel Hartke, M.D. have ACO affiliation data?

Justin Gabriel Hartke, M.D. is shown with ACO affiliation data for THEDACARE ACO (MSSP, ACO ID A4988).

What billing organization is linked to Justin Gabriel Hartke, M.D.?

Justin Gabriel Hartke, M.D. is linked to GASTROINTESTINAL ASSOCIATES S.C. (billing NPI 1760546949) in the available physician profile data.

Does Justin Gabriel Hartke, M.D. have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.