Physician

Bret Keenan Stysly, M.D.

According to 2025 Medicare claims, Bret Stysly, M.D. (NPI: 1104188416) practices internal medicine 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 ASPIRUS WAUSAU HOSPITAL, INC. (NPI: 1174601876; TIN: 391138241) and primary practice location at 54401-4120. Stysly is affiliated with the ABC Network (ACO ID: A5554), participating under the MSSP model.

Stysly's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 454 traditional Medicare patients, billed 1,898 HCPCS/CPT codes, and received $112,091 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 3,816 prescription claims across 425 beneficiaries totaling $1,551,629 in drug costs, led by Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter). DME data shows 1,328 claims. Open Payments data shows 6 records totaling $273. 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 did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have moved sharply higher in recent years, from $14,505 to $1,551,629. For DME billing, reported payments did not follow a clear longitudinal pattern.

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	91	157	$10,091
2017	69	144	$6,800
2018	217	821	$58,159
2019	569	2,346	$156,575
2020	635	2,727	$217,547
2021	606	2,469	$183,071
2022	579	2,106	$130,174
2023	515	1,976	$115,477
2024	454	1,898	$112,091

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	61	301	$14,505
2016	24	57	$3,882
2017	27	101	$16,424
2018	90	314	$80,088
2019	278	1,524	$408,602
2020	467	2,812	$1,197,667
2021	513	3,549	$1,841,185
2022	541	3,837	$2,349,922
2023	461	3,522	$1,831,392
2024	425	3,816	$1,551,629

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	25	126	$11,167
2019	356	1,147	$67,775
2020	516	1,688	$132,312
2021	622	2,140	$242,466
2022	542	1,776	$153,058
2023	442	1,656	$161,164
2024	312	1,328	$97,458

* / # = 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
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	88	97	$65
99232	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	91	339	$59
94726	Test to determine lung volumes using sensors	146	147	$9
94060	Test to measure expiratory airflow and volume changes before and after medication administration	113	113	$7
94729	Test to examine how well the lungs exchange gases	153	154	$6

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	625	22,165	$468,224
Ofev	Nintedanib Esylate	11	330	$141,662
Dupixent Pen	Dupilumab	28	784	$104,424
Spiriva Respimat	Tiotropium Bromide	175	5,940	$102,391
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	162	6,300	$98,488

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
E0466	Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell)	Y	N/R	37	$35,303
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	30	196	$20,941
A7030	Full face mask used with positive airway pressure device, each	N	27	46	$4,755
J7606	Formoterol fumarate, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 20 micrograms	N	N/R	29	$4,488
E0601	Continuous positive airway pressure (cpap) device	Y	13	102	$3,912

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	6	$273	INTUITIVE SURGICAL, INC.
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for Bret Keenan Stysly, M.D.?

Tedicare shows public-source Medicare data for Bret Keenan Stysly, M.D. (NPI 1104188416), 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 Bret Keenan Stysly, M.D. have ACO affiliation data?

Bret Keenan Stysly, M.D. is shown with ACO affiliation data for ABC Network (MSSP, ACO ID A5554).

What billing organization is linked to Bret Keenan Stysly, M.D.?

Bret Keenan Stysly, M.D. is linked to ASPIRUS WAUSAU HOSPITAL, INC. (billing NPI 1174601876) in the available physician profile data.

Does Bret Keenan Stysly, M.D. have Open Payments data?

Bret Keenan Stysly, M.D. has 6 connected Open Payments records in the available 2024 summary 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.