Physician

Ahsley J Wirtz, MD

Family practice Wausau, WI Aspirus Medical Group Inc

According to 2025 Medicare claims, Ahsley J. Wirtz, MD (NPI: 1598104911) practices family practice 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 Medical Group Inc (NPI: 1659452878; TIN: ).

Wirtz's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 255 traditional Medicare patients, billed 2,718 HCPCS/CPT codes, and received $86,481 in Medicare payments. Part D data shows 8,786 prescription claims across 583 beneficiaries totaling $618,596 in drug costs, and DME data shows 170 claims. No Open Payments records.

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10-Year Trend of Part B billing

Medicare payment trend, with patients and services in the table.

Year	Patients	Services	Medicare Payment
2014	Not reported for this year	Not reported for this year	Not reported for this year
2015	Not reported for this year	Not reported for this year	Not reported for this year
2016	61	346	$9,595
2017	113	900	$20,470
2018	205	3,429	$51,598
2019	220	2,052	$58,977
2020	339	3,009	$75,378
2021	324	3,063	$85,534
2022	302	2,527	$72,356
2023	255	2,718	$86,481

10-Year Trend of Part D records

Prescription claims trend, with patients and drug cost in the table.

Year	Patients	Claims	Drug Cost
2014	Not reported for this year	Not reported for this year	Not reported for this year
2015	Not reported for this year	22	$358
2016	75	305	$7,860
2017	154	1,346	$44,790
2018	263	2,820	$144,523
2019	376	5,112	$311,719
2020	544	8,002	$505,888
2021	606	9,163	$678,464
2022	616	8,747	$637,817
2023	583	8,786	$618,596

10-Year Trend of DME records

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

Year	Patients	Claims	Medicare Payment
2014	Not reported for this year	Not reported for this year	Not reported for this year
2015	Not reported for this year	Not reported for this year	Not reported for this year
2016	Not reported for this year	Not reported for this year	Not reported for this year
2017	13	37	$1,711
2018	26	102	$4,419
2019	26	116	$3,420
2020	45	115	$9,357
2021	61	228	$13,487
2022	47	156	$10,815
2023	45	170	$26,033

Top 5 Part B billing codes in 2023

By N of patients.

No connected Part B code-level records for 2023.

Top 5 Part D drugs in 2023

By N of patients.

No connected Part D drug-level records for 2023.

Top 5 DME in 2023

By N of patients.

DME	Patients	Claims	Services	Medicare Payment
All DME supplier activity	45	180	4,089	$28,324
Durable medical equipment	43	170	472	$26,033

DME category summary is shown when item-level DME rows are not connected.

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Part B billing, Part D prescribing, DME records, yearly summaries, source JSON, and source notes.

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