Physician

Stephen James Arntz, M.D.

According to 2025 Medicare claims, Stephen Arntz, M.D. (NPI: 1528088614) practices family practice in the Jackson, MI market, with the plurality of this provider's patient population coming from Jackson, MI. This provider's primary affiliated billing organization is MATT T ROSENBERG PC (NPI: 1063692556; TIN: 383314067) and primary practice location at 49201-1903.

Arntz's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 327 traditional Medicare patients, billed 5,005 HCPCS/CPT codes, and received $137,319 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 14,179 prescription claims across 827 beneficiaries totaling $1,400,143 in drug costs, led by Ozempic (Semaglutide). DME data shows 160 claims. Open Payments data shows 140 records totaling $2,674. 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 risen steadily, from $686,600 to $1,400,143. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $11,926 and ending at $25,726.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	357	3,577	$110,976
2016	385	4,055	$112,059
2017	413	4,610	$126,600
2018	436	4,889	$150,210
2019	439	4,551	$156,194
2020	374	3,641	$122,530
2021	386	3,778	$154,723
2022	349	3,263	$142,819
2023	332	2,756	$141,978
2024	327	5,005	$137,319

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	448	7,787	$686,600
2016	509	8,416	$673,547
2017	544	8,762	$745,948
2018	557	9,759	$901,235
2019	626	11,115	$954,258
2020	641	12,188	$962,730
2021	757	12,654	$1,054,349
2022	845	13,336	$1,143,875
2023	835	14,045	$1,327,188
2024	827	14,179	$1,400,143

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	84	261	$10,179
2016	72	258	$5,575
2017	43	245	$4,463
2018	41	218	$4,979
2019	40	183	$4,414
2020	15	131	$4,074
2021	N/R	91	$2,989
2022	11	124	$5,598
2023	23	156	$6,571
2024	11	160	$14,422

* / # = 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	230	230	$122
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	298	1,277	$57
G0444	Annual depression screening, 5 to 15 minutes	177	177	$17
G0442	Annual alcohol misuse screening, 5 to 15 minutes	180	180	$17
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	217	770	$12

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Ozempic	Semaglutide	109	4,502	$143,984
Eliquis	Apixaban	121	7,290	$135,477
Mounjaro	Tirzepatide	102	3,570	$127,372
Jardiance	Empagliflozin	108	5,980	$112,713
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	112	5,490	$112,421

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	23	$9,223
K0823	Power wheelchair, group 2 standard, captains chair, patient weight capacity up to and including 300 pounds	Y	N/R	11	$1,153
A7030	Full face mask used with positive airway pressure device, each	N	N/R	13	$985
E0601	Continuous positive airway pressure (cpap) device	Y	N/R	28	$897
A7031	Face mask interface, replacement for full face mask, each	N	N/R	12	$766

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	140	$2,674	PFIZER 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 Stephen James Arntz, M.D.?

Tedicare shows public-source Medicare data for Stephen James Arntz, M.D. (NPI 1528088614), 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 Stephen James Arntz, M.D. have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Stephen James Arntz, M.D.?

Stephen James Arntz, M.D. is linked to MATT T ROSENBERG PC (billing NPI 1063692556) in the available physician profile data.

Does Stephen James Arntz, M.D. have Open Payments data?

Stephen James Arntz, M.D. has 140 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.