Physician

James William Gast, MD

According to 2025 Medicare claims, James Gast, MD (NPI: 1710961529) practices family practice in the Green Bay, WI market, with the plurality of this provider's patient population coming from Brown, WI. This provider's primary affiliated billing organization is BELLIN MEMORIAL HOSPITAL INC (NPI: 1033172390; TIN: 390884478) and primary practice location at 54313-5373. Gast is affiliated with the Bellin Health Partners, Inc. (ACO ID: A4977) and THEDACARE ACO (ACO ID: A4988), participating under the MSSP model.

Gast's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 3,746 traditional Medicare patients, billed 25,724 HCPCS/CPT codes, and received $348,097 in Medicare payments. The top billing code was 80061 (Blood test, lipids (cholesterol and triglycerides)). Part D data shows 10,821 prescription claims across 812 beneficiaries totaling $754,760 in drug costs, led by Eliquis (Apixaban). DME data shows 60 claims. Open Payments data shows 1 records totaling $98. 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 risen steadily, from $79,995 to $348,097. Similarly, Part D prescription costs have moved from a lower plateau to a higher plateau, from $217,333 to $754,760. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $3,411 and ending at $7,296.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	895	5,665	$79,995
2016	1,054	6,080	$88,896
2017	2,006	10,686	$152,946
2018	2,669	16,445	$220,155
2019	3,151	19,432	$222,027
2020	3,805	25,371	$274,290
2021	18,106	58,868	$1,288,095
2022	3,953	22,781	$317,314
2023	3,764	21,641	$288,353
2024	3,746	25,724	$348,097

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	296	4,364	$217,333
2016	324	4,417	$282,281
2017	420	4,354	$340,352
2018	472	5,291	$352,325
2019	504	6,013	$434,080
2020	566	6,907	$565,088
2021	634	7,626	$675,680
2022	753	8,862	$712,905
2023	773	9,926	$759,285
2024	812	10,821	$754,760

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	69	$1,918
2016	N/R	77	$2,324
2017	N/R	105	$3,365
2018	11	96	$2,144
2019	13	155	$4,418
2020	36	116	$2,870
2021	36	129	$3,069
2022	73	174	$5,065
2023	N/R	75	$1,761
2024	N/R	60	$2,239

* / # = 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
80061	Blood test, lipids (cholesterol and triglycerides)	2,119	2,551	$13
80053	Blood test, comprehensive group of blood chemicals	2,219	3,248	$10
83036	Hemoglobin a1c level	1,139	1,828	$9
36415	Insertion of needle into vein for collection of blood sample	3,085	6,296	$9
85025	Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	1,253	1,903	$8

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	92	6,263	$119,884
Jardiance	Empagliflozin	95	6,058	$117,191
Januvia	Sitagliptin Phosphate	23	1,884	$28,993
Ozempic	Semaglutide	23	840	$28,471
Farxiga	Dapagliflozin Propanediol	22	1,563	$27,628

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
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	19	$1,274
E0601	Continuous positive airway pressure (cpap) device	Y	N/R	16	$468
E1392	Portable oxygen concentrator, rental	Y	N/R	12	$377
A7038	Filter, disposable, used with positive airway pressure device	N	N/R	13	$120

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	1	$98	Axsome Therapeutics, 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 James William Gast, MD?

Tedicare shows public-source Medicare data for James William Gast, MD (NPI 1710961529), 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 James William Gast, MD have ACO affiliation data?

James William Gast, MD is shown with ACO affiliation data for Bellin Health Partners, Inc. (MSSP, ACO ID A4977) and THEDACARE ACO (MSSP, ACO ID A4988).

What billing organization is linked to James William Gast, MD?

James William Gast, MD is linked to BELLIN MEMORIAL HOSPITAL INC (billing NPI 1033172390) in the available physician profile data.

Does James William Gast, MD have Open Payments data?

James William Gast, MD 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.