Provider Profile
Based in San Antonio, TX, Sylvia Zubyk, M. D. is listed in the NPI registry under radiation oncology. Sylvia graduated from University of Texas Medical Branch at Galveston in 1997. Medicare claims data shows Sylvia provided 4,296 services to 1,326 patients. The services billed most often include stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy, intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session, and radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev. NPI 1972500197 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4383 MEDICAL DR
San Antonio, TX 78229
Within Radiation Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Benign condition
Blood and lymph cancer
Bone cancer
Brain tumors
Cancer emergencies
Chest cancer
Endocrine cancer
Eye cancer
Eye conditions
Foot conditions
Gastrointestinal cancer
Gynecologic cancer
Head & neck cancer
Head and neck cancer
Metastatic cancer
Neurologic condition
Orthopedic conditions
Sarcoma
Skin cancer
Thoracic cancer
Urologic cancer
Vascular conditions
Most searched procedures
Advanced radiation
Benign treatment
Brain radiation
Cancer treatment
Central nervous system
Consultation
External radiation
Eye cancer treatment
Follow-up care
Heart treatments
Internal radiation
Pain and symptom relief
Particle therapy
Precision radiation
Prostate cancer treatment
Prostate protection
Radiation therapy
Skin cancer treatment
Skin lymphoma treatment
Specialized radiation
Targeted isotopes
Targeted radiation drugs
Treatment planning
4,296 services · 1,326 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Calculation of radiation therapy dose | Imaging | 77300 |
329 | More often than most peers in Radiation Oncology |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
241 | More often than most peers in Radiation Oncology |
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
222 | Less often than most peers in Radiation Oncology |
| Continuing radiation therapy consultation per week | Imaging | 77336 |
214 | As often as other peers in Radiation Oncology |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
172 | As often as other peers in Radiation Oncology |
| Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | Imaging | 77280 |
79 | More than most peers in Radiation Oncology |
| Complex radiation therapy planning | Imaging | 77263 |
79 | More often than most peers in Radiation Oncology |
| Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | Imaging | 77290 |
69 | More often than most peers in Radiation Oncology |
| Design and construction of simple radiation treatment device | Imaging | 77332 |
58 | More often than most peers in Radiation Oncology |
| 3d radiation therapy planning | Imaging | 77295 |
56 | More than most peers in Radiation Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Sylvia Zubyk is a radiation oncologist in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
Sylvia Zubyk is listed at 4383 Medical Dr, San Antonio, TX 78229. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (210) 593-5700. Contact the office directly to confirm availability and scheduling.
NPI registry
Sylvia Zubyk's National Provider Identifier is 1972500197. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Sylvia Zubyk attended University of Texas Medical Branch at Galveston, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
Sylvia Zubyk has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Sylvia Zubyk performs imaging including calculation of radiation therapy dose and design and construction of complex radiation treatment device, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Sylvia Zubyk. If this is you, claiming it is free.
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