Physician

Brian J Demaster, MD

According to 2025 Medicare claims, Brian Demaster, MD (NPI: 1043325293) practices family practice in the Sheboygan, WI market, with the plurality of this provider's patient population coming from Sheboygan, WI. This provider's primary affiliated billing organization is AURORA MEDICAL GROUP, INC. (NPI: 1427271378; TIN: 391678306) and primary practice location at 53013-1611. Demaster is affiliated with the Advocate Physician Partners Accountable Care, Inc. (ACO ID: A1033) and Accountable Care Organization of Advocate Aurora Health, LLC (ACO ID: D0260), participating under both the MSSP and REACH models.

Demaster's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 434 traditional Medicare patients, billed 1,845 HCPCS/CPT codes, and received $93,719 in Medicare payments. The top billing code was G0439 (Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit). Part D data shows 11,688 prescription claims across 663 beneficiaries totaling $785,081 in drug costs, led by Eliquis (Apixaban). DME data shows 252 claims. No Open Payments records. 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 $86,326 to $93,719. Similarly, Part D prescription costs have risen steadily, from $647,227 to $785,081. For DME billing, reported payments moved up and down with repeated peaks and valleys, starting at $10,123 and ending at $25,369.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	395	1,841	$86,326
2016	387	2,082	$63,470
2017	382	2,184	$57,454
2018	351	1,514	$58,144
2019	371	1,419	$58,257
2020	384	1,511	$63,872
2021	430	1,859	$81,612
2022	399	1,821	$88,405
2023	407	1,762	$91,640
2024	434	1,845	$93,719

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	436	9,048	$647,227
2016	433	9,211	$568,373
2017	456	8,729	$530,712
2018	487	9,238	$603,080
2019	515	9,779	$620,328
2020	558	9,955	$624,121
2021	642	9,699	$663,873
2022	653	10,317	$727,081
2023	669	11,074	$906,432
2024	663	11,688	$785,081

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	64	252	$3,688
2016	53	203	$5,182
2017	41	220	$13,300
2018	41	235	$7,705
2019	28	214	$4,701
2020	46	245	$8,465
2021	45	204	$6,294
2022	53	175	$2,773
2023	53	198	$4,770
2024	54	252	$17,098

* / # = 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
G0439	Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	204	204	$121
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	172	272	$74
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	226	301	$51
G0008	Administration of influenza virus vaccine	85	85	$30
36415	Insertion of needle into vein for collection of blood sample	330	577	$9

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	162	6,895	$135,874
Jardiance	Empagliflozin	109	5,380	$104,983
Ozempic	Semaglutide	47	2,576	$85,011
Trulicity	Dulaglutide	29	1,036	$33,832
Xarelto	Rivaroxaban	25	1,552	$27,611

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
A4239	Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	N/R	27	$12,884
A7030	Full face mask used with positive airway pressure device, each	N	N/R	14	$903
A4253	Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips	N	27	68	$737
K0007	Extra heavy duty wheelchair	Y	N/R	12	$641
A7034	Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap	N	N/R	11	$572

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

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FAQ

What Medicare data is available for Brian J. Demaster, MD?

Tedicare shows public-source Medicare data for Brian J. Demaster, MD (NPI 1043325293), 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 Brian J. Demaster, MD have ACO affiliation data?

Brian J. Demaster, MD is shown with ACO affiliation data for Advocate Physician Partners Accountable Care, Inc. (MSSP, ACO ID A1033) and Accountable Care Organization of Advocate Aurora Health, LLC (REACH, ACO ID D0260).

What billing organization is linked to Brian J. Demaster, MD?

Brian J. Demaster, MD is linked to AURORA MEDICAL GROUP, INC. (billing NPI 1427271378) in the available physician profile data.

Does Brian J. Demaster, MD have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests 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.