Physician

Jeff R Willis, M.D.

According to 2025 Medicare claims, Jeff Willis, M.D. (NPI: 1356385991) practices gastroenterology in the Missoula, MT market, with the plurality of this provider's patient population coming from Missoula, MT. This provider's primary affiliated billing organization is MONTANA GASTROENTEROLOGY, PLLC (NPI: 1821612946; TIN: 850698549) and primary practice location at 59808-1820. Willis is affiliated with the Caravan Collaborative Pathways (ACO ID: A4604) and CoreHealth Alliance LLC (ACO ID: A5645), participating under the MSSP model.

Willis' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 595 traditional Medicare patients, billed 5,214 HCPCS/CPT codes, and received $169,125 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 795 prescription claims across 493 beneficiaries totaling $279,156 in drug costs, led by Linzess (Linaclotide). 2015 DME data shows 15 claims. Open Payments data shows 2 records totaling $31. 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 moved up and down with repeated peaks and valleys, starting at $354,035 and ending at $279,156. 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	957	1,758	$157,906
2016	1,080	2,004	$156,247
2017	933	1,660	$155,263
2018	624	1,086	$135,696
2019	645	1,266	$159,896
2020	572	1,191	$137,098
2021	561	1,043	$122,606
2022	583	1,181	$123,859
2023	560	1,014	$112,129
2024	595	5,214	$169,125

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	219	997	$354,035
2016	211	983	$459,650
2017	390	1,168	$185,141
2018	434	699	$44,685
2019	406	713	$38,670
2020	341	787	$204,434
2021	310	672	$187,184
2022	493	886	$581,745
2023	475	882	$374,793
2024	493	795	$279,156

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	15	$375
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	N/R	N/R	N/R
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
45385	Removal of polyps or growths of large bowel using an endoscope with mechanical snare	184	185	$196
45380	Biopsy of large bowel using a flexible endoscope	210	212	$93
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	48	$85
43235	Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	39	42	$79
43239	Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	112	121	$77

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Linzess	Linaclotide	22	960	$16,626
Peg 3350-Electrolyte	Sodium Chloride/Nahco3/Kcl/Peg	350	570	$9,167
Sutab	Sod Sulf/Pot Chloride/Mag Sulf	23	41	$3,651
Omeprazole	Omeprazole	103	5,662	$954
Pantoprazole Sodium	Pantoprazole Sodium	69	4,033	$880

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.	2	$31	ABBVIE 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

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FAQ

What Medicare data is available for Jeff R. Willis, M.D.?

Tedicare shows public-source Medicare data for Jeff R. Willis, M.D. (NPI 1356385991), 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 Jeff R. Willis, M.D. have ACO affiliation data?

Jeff R. Willis, M.D. is shown with ACO affiliation data for Caravan Collaborative Pathways (MSSP, ACO ID A4604) and CoreHealth Alliance LLC (MSSP, ACO ID A5645).

What billing organization is linked to Jeff R. Willis, M.D.?

Jeff R. Willis, M.D. is linked to MONTANA GASTROENTEROLOGY, PLLC (billing NPI 1821612946) in the available physician profile data.

Does Jeff R. Willis, M.D. have Open Payments data?

Jeff R. Willis, 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.