Physician

William S Stevens, M.D.

According to 2025 Medicare claims, William Stevens, M.D. (NPI: 1548241250) practices thoracic surgery in the Springfield, IL market, with the plurality of this provider's patient population coming from Sangamon, IL. This provider's primary affiliated billing organization is SIU PHYSICIANS & SURGEONS, INC (NPI: 1558385989; TIN: 36-4143823) and primary practice location at 62702-5324. Stevens is affiliated with the IRCCO (ACO ID: A2619), SSM IL ACO, LLC (ACO ID: A4832), Collaborative ACO 30, LLC (ACO ID: A5483), and Quality Health Partners, LLC (ACO ID: A5553), participating under the MSSP model.

Stevens' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 267 traditional Medicare patients, billed 581 HCPCS/CPT codes, and received $287,618 in Medicare payments. The top billing code was 33533 (Coronary artery bypass using artery graft, 1 graft). Part D data shows 327 prescription claims across 124 beneficiaries totaling $11,173 in drug costs, led by Warfarin Sodium (Warfarin Sodium). 2022 DME data shows 18 claims. Open Payments data shows 3 records totaling $357. 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 $480,507 to $287,618. In contrast, Part D prescription costs have moved from a lower plateau to a higher plateau, from $10,232 to $11,173. For DME billing, this smaller-volume category started with an early spike, then settled into a lower baseline, moving from $11,702 to $1,417.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	388	792	$480,507
2016	384	789	$445,986
2017	358	763	$434,445
2018	346	722	$403,043
2019	324	707	$400,298
2020	277	670	$373,979
2021	246	553	$298,435
2022	248	525	$283,111
2023	261	566	$295,054
2024	267	581	$287,618

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	173	1,037	$10,232
2016	166	895	$7,764
2017	173	982	$11,053
2018	209	986	$17,537
2019	202	965	$25,536
2020	183	1,098	$21,663
2021	182	926	$31,913
2022	156	677	$25,266
2023	124	440	$17,679
2024	124	327	$11,173

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	12	36	$2,321
2021	N/R	15	$1,692
2022	N/R	18	$1,967
2023	N/R	N/R	N/R
2024	N/R	N/R	N/R

* / # = 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
33533	Coronary artery bypass using artery graft, 1 graft	53	53	$1,337
99205	New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	128	128	$160
99223	Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	57	58	$131
99212	Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	47	48	$39
33508	Harvest of vein using an endoscope	66	66	$13

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Warfarin Sodium	Warfarin Sodium	100	6,188	$710
Gabapentin	Gabapentin	15	582	$251
Potassium Chloride	Potassium Chloride	21	651	$216
Metoprolol Tartrate	Metoprolol Tartrate	21	1,090	$78
Cephalexin	Cephalexin	15	134	$72

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	3	$357	Edwards Lifesciences Corporation
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 William S. Stevens, M.D.?

Tedicare shows public-source Medicare data for William S. Stevens, M.D. (NPI 1548241250), 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 William S. Stevens, M.D. have ACO affiliation data?

William S. Stevens, M.D. is shown with ACO affiliation data for IRCCO (MSSP, ACO ID A2619), SSM IL ACO, LLC (MSSP, ACO ID A4832), Collaborative ACO 30, LLC (MSSP, ACO ID A5483), and Quality Health Partners, LLC (MSSP, ACO ID A5553).

What billing organization is linked to William S. Stevens, M.D.?

William S. Stevens, M.D. is linked to SIU PHYSICIANS & SURGEONS, INC (billing NPI 1558385989) in the available physician profile data.

Does William S. Stevens, M.D. have Open Payments data?

William S. Stevens, M.D. has 3 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.