Physician

Marcio A Shiokawa, MD

According to 2025 Medicare claims, Marcio Shiokawa, MD (NPI: 1629388475) practices hospitalist 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: 390807236) and primary practice location at 54935-4560. Shiokawa is affiliated with the SSM WI ACO LLC (ACO ID: A5124), participating under the MSSP model.

Shiokawa's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 217 traditional Medicare patients, billed 593 HCPCS/CPT codes, and received $47,117 in Medicare payments. The top billing code was 99223 (Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes). Part D data shows 1,243 prescription claims across 242 beneficiaries totaling $92,532 in drug costs, led by Eliquis (Apixaban). DME data shows 34 claims. Open Payments data shows 1 records totaling $19. 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 declined steadily, from $96,441 to $47,117. In contrast, Part D prescription costs have moved from a lower plateau to a higher plateau, from $24,614 to $92,532. For DME billing, this smaller-volume category started with an early spike, then settled into a lower baseline, moving from $14,035 to $2,356.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	503	1,154	$96,441
2016	381	916	$71,025
2017	375	821	$58,801
2018	379	840	$64,582
2019	385	954	$66,266
2020	343	779	$55,773
2021	337	868	$54,473
2022	285	880	$51,304
2023	251	691	$52,599
2024	217	593	$47,117

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	160	447	$24,614
2016	194	558	$18,394
2017	186	637	$27,510
2018	223	839	$44,955
2019	284	1,047	$52,680
2020	208	750	$33,163
2021	228	1,159	$66,484
2022	253	1,101	$63,125
2023	239	1,183	$85,394
2024	242	1,243	$92,532

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	102	$8,788
2016	N/R	46	$2,428
2017	N/R	56	$935
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
2022	N/R	N/R	N/R
2023	N/R	22	$1,520
2024	N/R	34	$2,167

* / # = 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
99223	Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	77	79	$125
99233	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	104	242	$86
99239	Hospital discharge day management, more than 30 minutes	91	97	$83
99232	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	45	88	$57
93016	Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	18	18	$14

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	36	905	$17,594
Jardiance	Empagliflozin	12	508	$9,632
Breo Ellipta	Fluticasone/Vilanterol	11	330	$4,527
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	16	480	$2,952
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	12	599	$827

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
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	17	$1,825
E0431	Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing	Y	N/R	17	$342

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	1	$19	ABBVIE 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 Marcio A. Shiokawa, MD?

Tedicare shows public-source Medicare data for Marcio A. Shiokawa, MD (NPI 1629388475), 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 Marcio A. Shiokawa, MD have ACO affiliation data?

Marcio A. Shiokawa, MD is shown with ACO affiliation data for SSM WI ACO LLC (MSSP, ACO ID A5124).

What billing organization is linked to Marcio A. Shiokawa, MD?

Marcio A. Shiokawa, MD is linked to AGNESIAN HEALTHCARE INC (billing NPI 1730162991) in the available physician profile data.

Does Marcio A. Shiokawa, MD have Open Payments data?

Marcio A. Shiokawa, MD has 1 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.