Physician

Keith A Williamson, M.D

According to 2025 Medicare claims, Keith Williamson, M.D (NPI: 1861459380) practices ophthalmology in the Kingsport-Bristol, TN-VA market, with the plurality of this provider's patient population coming from Sullivan, TN. This provider's primary affiliated billing organization is REGIONAL EYE CENTER, PC (NPI: 1932138849; TIN: 621036721) and primary practice location at 37660-3847.

Williamson's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,124 traditional Medicare patients, billed 7,856 HCPCS/CPT codes, and received $340,471 in Medicare payments. The top billing code was 66821 (Removal of recurring cataract in lens capsule using a laser). Part D data shows 1,721 prescription claims across 598 beneficiaries totaling $426,905 in drug costs, led by Restasis (Cyclosporine). 2020 DME data shows 25 claims. Open Payments data shows 13 records totaling $257. 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 did not follow a clear longitudinal pattern. 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	1,122	4,898	$355,827
2016	1,201	5,131	$348,983
2017	1,270	5,400	$346,401
2018	1,270	4,912	$346,155
2019	1,268	4,685	$384,758
2020	1,161	3,912	$261,135
2021	1,346	5,367	$336,630
2022	1,273	5,978	$330,489
2023	1,116	5,171	$293,790
2024	1,124	7,856	$340,471

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	768	2,661	$315,717
2016	807	2,592	$346,188
2017	917	2,621	$447,613
2018	780	2,417	$527,657
2019	749	2,519	$575,002
2020	646	2,043	$453,159
2021	662	1,813	$433,874
2022	619	1,812	$434,742
2023	586	1,700	$430,815
2024	598	1,721	$426,905

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	104	104	$7,084
2016	119	121	$7,695
2017	83	85	$5,559
2018	63	63	$3,690
2019	85	86	$5,946
2020	25	25	$1,752
2021	N/R	N/R	N/R
2022	N/R	N/R	N/R
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
66821	Removal of recurring cataract in lens capsule using a laser	137	200	$249
92014	Established patient complete exam of visual system	687	770	$79
92012	Established patient problem focused exam of visual system	388	505	$58
92250	Photography of the retina	441	466	$23
92285	Photography of content of eyes	676	790	$15

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Restasis	Cyclosporine	220	13,290	$264,665
Xiidra	Lifitegrast	35	2,250	$50,337
Lumigan	Bimatoprost	61	2,889	$27,160
Cyclosporine	Cyclosporine	20	1,470	$14,581
Rocklatan	Netarsudil Mesylat/Latanoprost	31	875	$10,743

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.	13	$257	Bausch & Lomb Americas 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

Explore More Providers

FAQ

What Medicare data is available for Keith A. Williamson, M.D?

Tedicare shows public-source Medicare data for Keith A. Williamson, M.D (NPI 1861459380), 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 Keith A. Williamson, 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 Keith A. Williamson, M.D?

Keith A. Williamson, M.D is linked to REGIONAL EYE CENTER, PC (billing NPI 1932138849) in the available physician profile data.

Does Keith A. Williamson, M.D have Open Payments data?

Keith A. Williamson, M.D has 13 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.