Physician

Mark Daniel Williams, D.O.

According to 2025 Medicare claims, Mark Williams, D.O. (NPI: 1821484163) practices orthopedic surgery in the Harrisonburg, VA market, with the plurality of this provider's patient population coming from Rockingham, VA. This provider's primary affiliated billing organization is RMH MEDICAL GROUP LLC (NPI: 1669844908; TIN: 271444665) and primary practice location at 22801-8679. Williams is affiliated with the Sentara Accountable Care Organization, LLC (ACO ID: A4868) and CoreHealth Alliance LLC (ACO ID: A5645), participating under the MSSP model.

Williams' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 475 traditional Medicare patients, billed 1,121 HCPCS/CPT codes, and received $212,813 in Medicare payments. The top billing code was 27447 (Replacement of knee joint, both sides of knee). Part D data shows 136 prescription claims across 91 beneficiaries totaling $741 in drug costs, led by Oxycodone Hcl (Oxycodone Hcl). Open Payments data shows 1 records totaling $127. 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 moved sharply higher in recent years, from $1,858 to $212,813. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $564 and ending at $741. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	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	16	47	$1,858
2021	184	324	$39,538
2022	371	832	$165,465
2023	426	898	$196,711
2024	475	1,121	$212,813

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	N/R	33	$564
2016	31	175	$7,376
2017	70	382	$10,795
2018	42	424	$14,216
2019	22	383	$17,803
2020	76	180	$4,341
2021	104	258	$5,980
2022	145	354	$2,647
2023	116	232	$1,792
2024	91	136	$741

DME Billing Trend

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

No connected DME records

* / # = 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
27447	Replacement of knee joint, both sides of knee	95	97	$975
0055T	Musculoskeletal surgical navigational orthopedic operation using imaging guidance	93	95	$108
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	141	149	$93
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	164	208	$43
20610	Aspiration and/or injection of fluid from large joint	102	146	$34

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Oxycodone Hcl	Oxycodone Hcl	22	206	$116
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	15	137	$89
Meloxicam	Meloxicam	24	900	$69
Amoxicillin	Amoxicillin	30	131	$36
Tramadol Hcl	Tramadol Hcl	12	111	$34

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.	1	$127	Novartis Pharmaceuticals 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 Mark Daniel Williams, D.O.?

Tedicare shows public-source Medicare data for Mark Daniel Williams, D.O. (NPI 1821484163), 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 Mark Daniel Williams, D.O. have ACO affiliation data?

Mark Daniel Williams, D.O. is shown with ACO affiliation data for Sentara Accountable Care Organization, LLC (MSSP, ACO ID A4868) and CoreHealth Alliance LLC (MSSP, ACO ID A5645).

What billing organization is linked to Mark Daniel Williams, D.O.?

Mark Daniel Williams, D.O. is linked to RMH MEDICAL GROUP LLC (billing NPI 1669844908) in the available physician profile data.

Does Mark Daniel Williams, D.O. have Open Payments data?

Mark Daniel Williams, D.O. 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.