DR. MICHELLE MARY KOLTON MACKAY (M.D.) – Radiation Oncology Physician, NPI 1013179928
Radiation Oncology Physician
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NPPES metrics only — not quality of care.
186 RADIATION ONCOLOGY in WI
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Provider Addresses for DR. MICHELLE MARY KOLTON MACKAY (M.D.)
John Nolen Drive, Madison, Dane County, Wisconsin, 53713, United States
MADISON, WI 537131430
Phone: (608) 251-6868
Fax: (608) 251-4255
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2009-09-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20090923000713 | I | Radiation Oncology | WI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 425 | 75 | $0 |
| G6015 | Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 397 | 69 | $0 |
| G6012 | Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev | 204 | 36 | $0 |
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 127 | 24 | $0 |
| 77336 | Continuing radiation therapy consultation per week | 116 | 37 | $0 |
Insurance plans in this area (ZIP 53713)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | WI | 77427 | Radiation treatment management, 5 treatments | 163 | 49 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | IL | |
| Radiation Oncology | CA | |
| Radiation Oncology | WI | |
| Radiation Oncology | WI | |
| Radiation Oncology | WI | |
| Radiation Oncology | ME |
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