Physician

Duane K Undeland, MD

According to 2025 Medicare claims, Duane Undeland, MD (NPI: 1811150048) practices internal medicine in the La Crosse-Onalaska, WI-MN market, with the plurality of this provider's patient population coming from Houston, MN. This provider's primary affiliated billing organization is GUNDERSEN CLINIC LTD (NPI: 1851343115; TIN: 391028657) and primary practice location at 55947-1328. Undeland is affiliated with the Gundersen ACO (ACO ID: A5094), participating under the MSSP model.

Undeland's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 355 traditional Medicare patients, billed 5,275 HCPCS/CPT codes, and received $127,920 in Medicare payments. The top billing code was G0439 (Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit). Part D data shows 12,974 prescription claims across 730 beneficiaries totaling $1,073,885 in drug costs, led by Eliquis (Apixaban). DME data shows 187 claims. 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 changed little. Concurrently, Part D prescription costs have moved sharply higher in recent years, from $327,754 to $1,073,885. In contrast, DME billing represents a smaller volume and moved from a lower plateau to a higher plateau, from $4,905 to $16,598.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	422	9,416	$121,301
2016	385	5,282	$96,484
2017	377	3,769	$117,742
2018	401	4,796	$98,168
2019	498	4,388	$120,835
2020	441	4,716	$110,079
2021	392	8,951	$129,903
2022	426	12,643	$143,782
2023	371	13,724	$149,804
2024	355	5,275	$127,920

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	437	5,894	$327,754
2016	475	6,694	$369,707
2017	470	7,190	$386,909
2018	522	8,497	$473,312
2019	534	9,096	$516,726
2020	537	9,254	$659,102
2021	588	8,857	$689,630
2022	655	9,821	$779,888
2023	676	12,135	$984,066
2024	730	12,974	$1,073,885

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	13	114	$9,438
2016	13	198	$12,473
2017	20	262	$26,585
2018	21	252	$24,522
2019	23	178	$13,668
2020	18	211	$21,517
2021	33	293	$22,768
2022	16	229	$16,610
2023	13	168	$10,468
2024	13	187	$12,555

* / # = 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
G0439	Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	215	215	$135
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	228	426	$81
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	120	157	$56
G0008	Administration of influenza virus vaccine	88	89	$31
G2211	Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	171	289	$12

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	431	18,986	$364,688
Trulicity	Dulaglutide	80	2,439	$84,031
Xarelto	Rivaroxaban	108	4,221	$77,464
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	43	1,484	$32,064
Breo Ellipta	Fluticasone/Vilanterol	58	2,400	$31,055

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
A4239	Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	N/R	13	$4,718
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	34	$3,715
B4150	Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit	N	N/R	15	$1,814
J7500	Azathioprine, oral, 50 mg	N	N/R	12	$552
E1392	Portable oxygen concentrator, rental	Y	N/R	12	$441

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 Duane K. Undeland, MD?

Tedicare shows public-source Medicare data for Duane K. Undeland, MD (NPI 1811150048), 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 Duane K. Undeland, MD have ACO affiliation data?

Duane K. Undeland, MD is shown with ACO affiliation data for Gundersen ACO (MSSP, ACO ID A5094).

What billing organization is linked to Duane K. Undeland, MD?

Duane K. Undeland, MD is linked to GUNDERSEN CLINIC LTD (billing NPI 1851343115) in the available physician profile data.

Does Duane K. Undeland, MD 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.