DR. GARY STILLWAGON (M.D) – Radiation Oncology Physician, NPI 1548244817
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
203 RADIATION ONCOLOGY in GA
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Provider Addresses for DR. GARY STILLWAGON (M.D)
698, Duluth Highway, Lawrenceville, Gwinnett County, Georgia, 30043, United States
SUITE 100
LAWRENCEVILLE, GA 300467645
Phone: (770) 962-8888
Fax: (770) 963-7447
Type: Location
PO BOX 116470
ATLANTA, GA 303686470
Phone: (404) 320-1550
Fax: (404) 728-1081
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $19.
Total Amount is formed as General ($19) + Research ($0) + Ownership ($0) = $19.
Last reported payment date: 2024-03-21 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($19).
Total Amount
$19
General + Research + Ownership
Payments
1
Total payment records
General Amount
$19
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $19 |
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: 2004-04-05
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 |
|---|---|---|---|---|
| I20040405000744 | I | Radiation Oncology | GA | 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 | 105 | 50 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 42 | 27 | $0 |
Insurance plans in this area (ZIP 30046)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | GA | |
| H O S P I T A L I S T | GA | |
| P S Y C H I A T R Y | GA | |
| - | GA | |
| - | GA | |
| Hospice/Palliative Care, Hospitalist, Internal Medicine | GA | |
| Hospitalist, Internal Medicine | GA | |
| Hospitalist, Internal Medicine | TN | |
| - | GA | |
| H O S P I T A L I S T | GA |
Reviews
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