DR. SYLVIA ZUBYK (M. D.) – Radiation Oncology Physician, NPI 1972500197
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
450 RADIATION ONCOLOGY in TX
Provider Addresses for DR. SYLVIA ZUBYK (M. D.)
4383 MEDICAL DR
SAN ANTONIO, TX 782293307
Phone: (210) 593-5700
Fax: (210) 593-5992
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)
CMS reports 4 Open Payments records for all available years, with a total value of $87.
Total Amount is formed as General ($87) + Research ($0) + Ownership ($0) = $87.
Last reported payment date: 2024-07-30 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($25).
Total Amount
$87
General + Research + Ownership
Payments
4
Total payment records
General Amount
$87
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $25 |
| Merck Sharp & Dohme LLC | $24 |
| Seagen Inc. | $20 |
| Tactile Systems Technology Inc | $17 |
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: 2004-10-08
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 |
|---|---|---|---|---|
| I20041008000880 | I | Radiation Oncology | TX | 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 |
|---|---|---|---|---|
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 1,141 | 262 | $0 |
| G6015 | Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 872 | 170 | $0 |
| G6013 | Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev | 455 | 86 | $0 |
| G6012 | Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev | 338 | 83 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 306 | 84 | $0 |
Insurance plans in this area (ZIP 78229)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| Medical Oncology | TX | |
| - | TX | |
| Surgical Oncology, General Surgery | TX | |
| - | TX | |
| General Surgery | TX | |
| Gynecological Oncology, Obstetrics/Gynecology | NY | |
| Medical Oncology, Internal Medicine | TX | |
| Medical Oncology | TX | |
| Gynecological Oncology | TX |
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