Physician

Donald W Trepashko, M.D.

According to 2025 Medicare claims, Donald Trepashko, M.D. (NPI: 1396780862) practices nuclear medicine in the Chicago-Naperville-Schaumburg, IL market, with the plurality of this provider's patient population coming from Cook, IL. This provider's primary affiliated billing organization is COOK COUNTY (NPI: 1821385170; TIN: 366006541) and primary practice location at 60612-3714.

Trepashko's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 310 traditional Medicare patients, billed 328 HCPCS/CPT codes, and received $9,250 in Medicare payments. The top billing code was 78813 (Nuclear medicine study whole body). 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 started with an early spike, then settled into a lower baseline, moving from $17,030 to $9,250. Concurrently, this provider has fewer than 5 years of reported Part D prescription costs data, so a reliable trend cannot be assigned. 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	465	501	$17,030
2016	664	711	$21,966
2017	568	594	$14,929
2018	596	642	$18,671
2019	538	588	$18,741
2020	179	191	$5,648
2021	89	93	$3,044
2022	142	150	$4,886
2023	207	215	$6,794
2024	310	328	$9,250

Part D Events Trend

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

No connected Part D records

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
78813	Nuclear medicine study whole body	24	24	$74
78459	Nuclear medicine study of heart muscle with metabolic evaluation	28	30	$53
78454	Nuclear medicine studies of heart muscle at rest and with stress with single 2d image	48	48	$50
78306	Nuclear medicine study of bone and/or joint whole body	26	26	$32
77080	Dxa bone density measurement of hip, pelvis, spine	158	158	$10

Top 5 Part D drugs in 2024

By total drug costs.

No connected Part D drug-level records for 2024.

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

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 Donald W. Trepashko, M.D.?

Tedicare shows public-source Medicare data for Donald W. Trepashko, M.D. (NPI 1396780862), 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 Donald W. Trepashko, M.D. have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Donald W. Trepashko, M.D.?

Donald W. Trepashko, M.D. is linked to COOK COUNTY (billing NPI 1821385170) in the available physician profile data.

Does Donald W. Trepashko, M.D. 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.