Physician

Michelle Mary Kolton Mackay, M.D.

According to 2025 Medicare claims, Michelle Mackay, M.D. (NPI: 1013179928) practices radiation oncology in the Madison, WI market, with the plurality of this provider's patient population coming from Dane, WI. This provider's primary affiliated billing organization is SHARED MAGNETIC RESONANCE IMAGING FACILITY, INC (NPI: 1780640532; TIN: 391534744) and primary practice location at 53713-1430.

Mackay's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 191 traditional Medicare patients, billed 3,047 HCPCS/CPT codes, and received $533,707 in Medicare payments. The top billing code was G6015 (Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session). Part D data shows 122 prescription claims across 50 beneficiaries totaling $1,662 in drug costs, led by Lidocaine Hcl Viscous (Lidocaine 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 $386,655 and ending at $533,707. Concurrently, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $992 to $1,662. 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.

Part B Carrier Billing Trend. X-axis: year 2015-2024. Y-axis: Medicare payment, unit: USD. Field: Tot_Mdcr_Pymt_Amt. Source: Medicare Physician & Other Practitioners by Provider.0$267K$534K2015 Medicare payment: $386,655 (USD; Tot_Mdcr_Pymt_Amt)2016 Medicare payment: $463,945 (USD; Tot_Mdcr_Pymt_Amt)2017 Medicare payment: $364,460 (USD; Tot_Mdcr_Pymt_Amt)2018 Medicare payment: $369,823 (USD; Tot_Mdcr_Pymt_Amt)2019 Medicare payment: $294,646 (USD; Tot_Mdcr_Pymt_Amt)2020 Medicare payment: $310,447 (USD; Tot_Mdcr_Pymt_Amt)2021 Medicare payment: $413,704 (USD; Tot_Mdcr_Pymt_Amt)2022 Medicare payment: $466,513 (USD; Tot_Mdcr_Pymt_Amt)2023 Medicare payment: $359,223 (USD; Tot_Mdcr_Pymt_Amt)2024 Medicare payment: $533,707 (USD; Tot_Mdcr_Pymt_Amt)2015201620172018201920202021202220232024
YearPatientsClm LinesPayment
20151712,406$386,655
20161562,629$463,945
20171772,094$364,460
20181742,049$369,823
20191561,731$294,646
20201561,767$310,447
20211432,495$413,704
20221612,705$466,513
20231562,019$359,223
20241913,047$533,707

Part D Events Trend

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

Part D Events Trend. X-axis: year 2015-2024. Y-axis: Drug cost, unit: USD. Field: Tot_Drug_Cst. Source: Medicare Part D Prescribers by Provider.0$1.5K$3.1K2015 Drug cost: $992 (USD; Tot_Drug_Cst)2016 Drug cost: $3,088 (USD; Tot_Drug_Cst)2017 Drug cost: $1,628 (USD; Tot_Drug_Cst)2018 Drug cost: $558 (USD; Tot_Drug_Cst)2019 Drug cost: $544 (USD; Tot_Drug_Cst)2020 Drug cost: $571 (USD; Tot_Drug_Cst)2021 Drug cost: $746 (USD; Tot_Drug_Cst)2022 Drug cost: $839 (USD; Tot_Drug_Cst)2023 Drug cost: $769 (USD; Tot_Drug_Cst)2024 Drug cost: $1,662 (USD; Tot_Drug_Cst)2015201620172018201920202021202220232024
YearPatientsClaimsDrug Cost
20151931$992
20162972$3,088
20172143$1,628
20182742$558
20191836$544
20202133$571
20212552$746
20222553$839
20233981$769
202450122$1,662

DME Billing Trend

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

No connected DME records

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.

CodeDescriptionPatientsClm LinesTotal Payment
G6015Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session84557$287
77263Complex radiation therapy planning5561$134
77014Ct guidance for insertion of radiation therapy fields88573$97
77336Continuing radiation therapy consultation per week58179$71
77300Calculation of radiation therapy dose56162$53

Top 5 Part D drugs in 2024

By total drug costs.

DrugGenericClaimsTotal Day SupplyTotal Drug Cost
Lidocaine Hcl ViscousLidocaine Hcl1378$335
DexamethasoneDexamethasone21434$291
Tamsulosin HclTamsulosin Hcl26943$207
Ondansetron HclOndansetron Hcl15301$201

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.

FAQ

What Medicare data is available for Michelle Mary Kolton Mackay, M.D.?

Tedicare shows public-source Medicare data for Michelle Mary Kolton Mackay, M.D. (NPI 1013179928), 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 Michelle Mary Kolton Mackay, 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 Michelle Mary Kolton Mackay, M.D.?

Michelle Mary Kolton Mackay, M.D. is linked to SHARED MAGNETIC RESONANCE IMAGING FACILITY, INC (billing NPI 1780640532) in the available physician profile data.

Does Michelle Mary Kolton Mackay, 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.