Physician

Douglas Hempel, M.D.

According to 2025 Medicare claims, Douglas Hempel, M.D. (NPI: 1164423844) practices rheumatology in the Milwaukee-Waukesha, WI market, with the plurality of this provider's patient population coming from Waukesha, WI. This provider's primary affiliated billing organization is WEST SUBURBAN CTR FOR ARTHRITIS (NPI: 1407857188; TIN: 391418162) and primary practice location at 53045-5929. Hempel is affiliated with the ProHealth Solutions, LLC (ACO ID: A4979), participating under the MSSP model.

Hempel's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 655 traditional Medicare patients, billed 149,000 HCPCS/CPT codes, and received $1,822,517 in Medicare payments. The top billing code was 36415 (Insertion of needle into vein for collection of blood sample). Part D data shows 7,243 prescription claims across 972 beneficiaries totaling $4,134,519 in drug costs, led by Humira(Cf) Pen (Adalimumab). Open Payments data shows 10 records totaling $199. 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 $550,685 to $1,822,517. Similarly, Part D prescription costs have moved sharply higher in recent years, from $901,349 to $4,134,519. 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	412	19,401	$550,685
2016	488	36,553	$863,180
2017	548	61,703	$1,498,579
2018	577	66,051	$1,556,190
2019	589	86,312	$1,758,566
2020	522	73,812	$1,404,451
2021	539	91,378	$1,520,530
2022	607	142,370	$1,779,571
2023	621	164,348	$2,060,218
2024	655	149,000	$1,822,517

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	498	4,418	$901,349
2016	580	4,976	$1,099,069
2017	640	5,308	$1,442,571
2018	676	5,479	$1,525,821
2019	754	5,790	$1,851,269
2020	753	5,984	$2,072,728
2021	719	5,775	$2,547,539
2022	721	5,531	$3,145,365
2023	854	6,082	$3,165,041
2024	972	7,243	$4,134,519

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
36415	Insertion of needle into vein for collection of blood sample	582	1,458	$9
85025	Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	571	1,420	$8
84450	Liver enzyme (sgot), level	571	1,419	$5
82565	Blood creatinine level	570	1,417	$5
82040	Albumin (protein) level	570	1,418	$5

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Humira(Cf) Pen	Adalimumab	99	3,248	$837,559
Enbrel Sureclick	Etanercept	42	1,400	$367,778
Orencia Clickject	Abatacept	61	1,708	$362,500
Rinvoq	Upadacitinib	40	1,200	$269,776
Xeljanz Xr	Tofacitinib Citrate	34	1,260	$243,531

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.	10	$199	AstraZeneca Pharmaceuticals LP
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 Douglas Hempel, M.D.?

Tedicare shows public-source Medicare data for Douglas Hempel, M.D. (NPI 1164423844), 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 Douglas Hempel, M.D. have ACO affiliation data?

Douglas Hempel, M.D. is shown with ACO affiliation data for ProHealth Solutions, LLC (MSSP, ACO ID A4979).

What billing organization is linked to Douglas Hempel, M.D.?

Douglas Hempel, M.D. is linked to WEST SUBURBAN CTR FOR ARTHRITIS (billing NPI 1407857188) in the available physician profile data.

Does Douglas Hempel, M.D. have Open Payments data?

Douglas Hempel, M.D. has 10 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.