Physician

Andrew J Leiker

According to 2025 Medicare claims, Andrew Leiker (NPI: 1568859023) practices radiation oncology in the Columbia, MO market, with the plurality of this provider's patient population coming from Boone, MO. This provider's primary affiliated billing organization is MISSOURI CANCER ASSOCIATES LLC (NPI: 1215947338; TIN: 431763016) and primary practice location at 65201-7167.

Leiker's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 585 traditional Medicare patients, billed 3,886 HCPCS/CPT codes, and received $479,148 in Medicare payments. The top billing code was 77427 (Radiation treatment management, 5 treatment sessions). Part D data shows 116 prescription claims across 62 beneficiaries totaling $2,898 in drug costs, led by Tamsulosin Hcl (Tamsulosin Hcl). Open Payments data shows 85 records totaling $1,842. 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 sharply higher in recent years, from $103,176 to $479,148. Similarly, Part D prescription costs have moved sharply higher in recent years, from $282 to $2,898. 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	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	269	2,376	$103,176
2021	422	2,503	$167,757
2022	543	7,009	$340,150
2023	574	2,978	$322,345
2024	585	3,886	$479,148

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	16	$282
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	12	16	$361
2021	61	125	$2,010
2022	67	136	$2,375
2023	65	106	$2,337
2024	62	116	$2,898

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	163	244	$144
77014	Ct guidance for insertion of radiation therapy fields	221	846	$61
77336	Continuing radiation therapy consultation per week	126	228	$59
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	132	151	$53
77300	Calculation of radiation therapy dose	123	507	$33

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Tamsulosin Hcl	Tamsulosin Hcl	28	1,440	$432
Oxycodone Hcl	Oxycodone Hcl	19	152	$358
Memantine Hcl	Memantine Hcl	13	553	$307

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.	85	$1,842	Merck Sharp & Dohme LLC
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 Andrew J. Leiker?

Tedicare shows public-source Medicare data for Andrew J. Leiker (NPI 1568859023), 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 Andrew J. Leiker have ACO affiliation data?

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

What billing organization is linked to Andrew J. Leiker?

Andrew J. Leiker is linked to MISSOURI CANCER ASSOCIATES LLC (billing NPI 1215947338) in the available physician profile data.

Does Andrew J. Leiker have Open Payments data?

Andrew J. Leiker has 85 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.