Physician

Timothy L Walker, M.D.

According to 2025 Medicare claims, Timothy Walker, M.D. (NPI: 1275530644) practices orthopedic surgery in the Sioux Falls, SD-MN market, with the plurality of this provider's patient population coming from Minnehaha, SD. This provider's primary affiliated billing organization is ORTHOPEDIC INSTITUTE PC (NPI: 1245263326; TIN: 460316404) and primary practice location at 57105-1012. Walker is affiliated with the Prairie Vista Care Organization (ACO ID: A3578), Avera Prairie View ACO (ACO ID: A4692), Caravan Health ACO 43 LLC (ACO ID: A4974), Caravan Health ACO 50 LLC (ACO ID: A5160), and CoreHealth Alliance LLC (ACO ID: A5645), participating under the MSSP model.

Walker's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 669 traditional Medicare patients, billed 7,221 HCPCS/CPT codes, and received $325,367 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 1,857 prescription claims across 556 beneficiaries totaling $9,640 in drug costs, led by Mupirocin (Mupirocin). DME data shows 21 claims. Open Payments data shows 2 records totaling $110. 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 $1,961 to $9,640. For DME billing, reported payments rose steadily, from $2,317 to $5,567.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	854	5,351	$327,991
2016	806	4,794	$289,568
2017	867	5,421	$307,720
2018	867	4,057	$313,394
2019	909	3,749	$339,996
2020	698	2,556	$281,248
2021	737	3,005	$360,553
2022	563	3,865	$307,815
2023	643	5,033	$320,671
2024	669	7,221	$325,367

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	137	279	$1,961
2016	129	245	$1,662
2017	131	234	$2,009
2018	139	289	$2,281
2019	179	404	$3,949
2020	188	487	$8,024
2021	223	661	$7,395
2022	253	585	$2,885
2023	419	878	$4,141
2024	556	1,857	$9,640

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	34	$350
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	14	$1,300
2021	N/R	N/R	N/R
2022	N/R	N/R	N/R
2023	N/R	12	$1,104
2024	21	21	$1,349

* / # = 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
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	144	154	$84
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	155	180	$61
73502	X-ray of hip, 2-3 views	146	182	$34
73562	X-ray of knee, 3 views	168	204	$28
73560	X-ray of knee, 1-2 views	156	185	$23

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Mupirocin	Mupirocin	224	3,338	$1,451
Tramadol Hcl	Tramadol Hcl	341	1,873	$990
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	80	400	$624
Oxycodone Hcl	Oxycodone Hcl	170	645	$609
Gabapentin	Gabapentin	123	882	$444

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
E0143	Walker, folding, wheeled, adjustable or fixed height	N	21	21	$1,349

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	2	$110	Stryker 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

Explore More Providers

FAQ

What Medicare data is available for Timothy L. Walker, M.D.?

Tedicare shows public-source Medicare data for Timothy L. Walker, M.D. (NPI 1275530644), 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 Timothy L. Walker, M.D. have ACO affiliation data?

Timothy L. Walker, M.D. is shown with ACO affiliation data for Prairie Vista Care Organization (MSSP, ACO ID A3578), Avera Prairie View ACO (MSSP, ACO ID A4692), Caravan Health ACO 43 LLC (MSSP, ACO ID A4974), Caravan Health ACO 50 LLC (MSSP, ACO ID A5160), and CoreHealth Alliance LLC (MSSP, ACO ID A5645).

What billing organization is linked to Timothy L. Walker, M.D.?

Timothy L. Walker, M.D. is linked to ORTHOPEDIC INSTITUTE PC (billing NPI 1245263326) in the available physician profile data.

Does Timothy L. Walker, M.D. have Open Payments data?

Timothy L. Walker, M.D. has 2 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.