Physician

Adam Piotr Karewicz, MD

Internal medicine Fond du Lac, WI Agnesian Healthcare Inc

According to 2025 Medicare claims, Adam Piotr Karewicz, MD (NPI: 1114035755) practices internal medicine in the Fond du Lac, WI market, with the plurality of this provider's patient population coming from Fond Du Lac, WI. This provider's primary affiliated billing organization is Agnesian Healthcare Inc (NPI: 1730162991; TIN: ).

Karewicz's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 332 traditional Medicare patients, billed 1,337 HCPCS/CPT codes, and received $108,714 in Medicare payments. Part D data shows 9,545 prescription claims across 822 beneficiaries totaling $502,670 in drug costs, and DME data shows 138 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	307	1,093	$63,115
2015	318	1,136	$67,826
2016	317	1,084	$68,229
2017	343	1,372	$66,540
2018	347	1,169	$70,253
2019	367	1,588	$93,825
2020	356	1,237	$83,894
2021	408	1,398	$109,110
2022	506	1,599	$114,811
2023	332	1,337	$108,714

10-Year Trend of Part D records

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

Year	Patients	Claims	Drug Cost
2014	550	8,828	$370,536
2015	659	8,256	$365,730
2016	601	7,808	$368,072
2017	652	8,239	$389,400
2018	690	9,082	$460,083
2019	741	8,728	$437,663
2020	749	8,206	$389,216
2021	744	9,081	$452,680
2022	786	9,453	$473,007
2023	822	9,545	$502,670

10-Year Trend of DME records

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

Year	Patients	Claims	Medicare Payment
2014	73	241	$20,151
2015	64	178	$12,920
2016	59	206	$9,049
2017	67	262	$5,603
2018	64	202	$7,287
2019	52	166	$5,180
2020	45	174	$17,431
2021	44	170	$7,597
2022	45	154	$5,903
2023	45	138	$6,846

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	157	2,352	$12,944
Durable medical equipment	39	138	426	$6,846
DME drugs	Not reported for this year	21	1,670	$193
Prosthetics, orthotics, and supplies	Not reported for this year	12	256	$5,905

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

Physician Data Export

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

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