Physician

Nicolas Tiva Kummer, M.D.-PH.D.

According to 2025 Medicare claims, Nicolas Kummer, M.D.-PH.D. (NPI: 1033403852) practices radiation oncology in the Wenatchee-East Wenatchee, WA market, with the plurality of this provider's patient population coming from Douglas, WA. This provider's primary affiliated billing organization is CENTRAL WASHINGTON HEALTH SERVICES ASSOCIATION (NPI: 1881642239; TIN: 910171250) and primary practice location at 98801-2028. Kummer is affiliated with the CVS ACO (ACO ID: A5407), Collaborative ACO 30, LLC (ACO ID: A5483), and CoreHealth Alliance LLC (ACO ID: A5645), participating under the MSSP model.

Kummer's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 343 traditional Medicare patients, billed 4,370 HCPCS/CPT codes, and received $772,964 in Medicare payments. The top billing code was 77427 (Radiation treatment management, 5 treatment sessions). Part D data shows 287 prescription claims across 84 beneficiaries totaling $8,171 in drug costs, led by Tamsulosin Hcl (Tamsulosin Hcl). 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 moved up and down with repeated peaks and valleys, starting at $298,010 and ending at $772,964. Concurrently, Part D prescription costs have risen steadily, from $139 to $8,171. 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	N/R	N/R	N/R
2016	121	1,568	$298,010
2017	274	5,071	$891,868
2018	302	5,583	$1,015,714
2019	315	6,965	$1,153,242
2020	307	3,934	$684,856
2021	294	6,091	$909,558
2022	317	6,095	$921,713
2023	353	5,456	$952,850
2024	343	4,370	$772,964

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	N/R	14	$139
2016	24	32	$913
2017	55	106	$2,110
2018	62	156	$3,932
2019	60	156	$4,998
2020	58	134	$2,180
2021	73	225	$6,488
2022	74	251	$4,615
2023	86	234	$4,247
2024	84	287	$8,171

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
77427	Radiation treatment management, 5 treatment sessions	129	241	$150
77334	Design and construction of complex radiation treatment device	105	290	$98
77336	Continuing radiation therapy consultation per week	110	256	$72
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	107	171	$68
77300	Calculation of radiation therapy dose	98	346	$52

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Tamsulosin Hcl	Tamsulosin Hcl	85	3,930	$1,103
Pentoxifylline	Pentoxifylline	18	660	$547
Oxybutynin Chloride Er	Oxybutynin Chloride	19	787	$268
Fluconazole	Fluconazole	16	224	$231
Finasteride	Finasteride	14	1,260	$206

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 Nicolas Tiva Kummer, M.D.-PH.D.?

Tedicare shows public-source Medicare data for Nicolas Tiva Kummer, M.D.-PH.D. (NPI 1033403852), 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 Nicolas Tiva Kummer, M.D.-PH.D. have ACO affiliation data?

Nicolas Tiva Kummer, M.D.-PH.D. is shown with ACO affiliation data for CVS ACO (MSSP, ACO ID A5407), Collaborative ACO 30, LLC (MSSP, ACO ID A5483), and CoreHealth Alliance LLC (MSSP, ACO ID A5645).

What billing organization is linked to Nicolas Tiva Kummer, M.D.-PH.D.?

Nicolas Tiva Kummer, M.D.-PH.D. is linked to CENTRAL WASHINGTON HEALTH SERVICES ASSOCIATION (billing NPI 1881642239) in the available physician profile data.

Does Nicolas Tiva Kummer, M.D.-PH.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.