Physician

Michael D Williams, MD

According to 2025 Medicare claims, Michael Williams, MD (NPI: 1750334470) practices gastroenterology in the Columbia, MO market, with the plurality of this provider's patient population coming from Boone, MO. This provider's primary affiliated billing organization is GASTROINTESTINAL ASSOCIATES, LLC (NPI: 1912950585; TIN: 43-1851309) and primary practice location at 65201-6677. Williams is affiliated with the Aledade 98 MO MSSP Enhanced (ACO ID: A4998), Aledade 93 National MSSP Enhanced (ACO ID: A5206), and The Rural Advantage LLC (ACO ID: A5257), participating under the MSSP model.

Williams' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 719 traditional Medicare patients, billed 23,136 HCPCS/CPT codes, and received $548,725 in Medicare payments. The top billing code was 45385 (Removal of polyps or growths of large bowel using an endoscope with mechanical snare). Part D data shows 964 prescription claims across 253 beneficiaries totaling $361,064 in drug costs, led by Linzess (Linaclotide). Open Payments data shows 193 records totaling $72,969. 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 $92,001 to $548,725. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $167,543 and ending at $361,064. 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	356	667	$92,001
2016	401	745	$86,275
2017	367	2,568	$81,106
2018	559	8,351	$182,237
2019	471	14,443	$244,658
2020	387	12,036	$260,617
2021	526	14,472	$386,708
2022	511	12,094	$324,709
2023	500	23,965	$534,308
2024	719	23,136	$548,725

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	197	458	$167,543
2016	232	548	$358,378
2017	212	535	$405,453
2018	244	502	$60,893
2019	232	657	$61,865
2020	241	741	$54,785
2021	208	872	$148,642
2022	177	729	$138,074
2023	223	837	$251,635
2024	253	964	$361,064

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
45385	Removal of polyps or growths of large bowel using an endoscope with mechanical snare	232	235	$189
43239	Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	192	208	$69
45380	Biopsy of large bowel using a flexible endoscope	231	231	$64
88313	Special stained specimen slides to examine tissue including interpretation and report	127	334	$47
88305	Pathology examination of tissue using a microscope, intermediate complexity	348	828	$23

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Linzess	Linaclotide	37	1,110	$21,310
Viberzi	Eluxadoline	11	330	$17,855
Trulance	Plecanatide	15	450	$8,069
Mesalamine	Mesalamine	22	1,020	$6,884
Omeprazole	Omeprazole	405	17,040	$3,344

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.	189	$40,124	Phathom Pharmaceuticals, Inc.
Research Payments	Reported research-related payment or transfer-of-value amount.	4	$32,846	Boehringer Ingelheim International GmbH
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 Michael D. Williams, MD?

Tedicare shows public-source Medicare data for Michael D. Williams, MD (NPI 1750334470), 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 Michael D. Williams, MD have ACO affiliation data?

Michael D. Williams, MD is shown with ACO affiliation data for Aledade 98 MO MSSP Enhanced (MSSP, ACO ID A4998), Aledade 93 National MSSP Enhanced (MSSP, ACO ID A5206), and The Rural Advantage LLC (MSSP, ACO ID A5257).

What billing organization is linked to Michael D. Williams, MD?

Michael D. Williams, MD is linked to GASTROINTESTINAL ASSOCIATES, LLC (billing NPI 1912950585) in the available physician profile data.

Does Michael D. Williams, MD have Open Payments data?

Michael D. Williams, MD has 193 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.