Dr. Stephen Liaw, M.D.
What this data tells you about Dr. Liaw
Dr. Stephen Liaw is a radiation oncology in Houston, TX, with 15 years in practice. Based on federal Medicare data, Dr. Liaw performed 31,772 Medicare services across 6,253 unique beneficiaries.
Between the years covered by Open Payments, Dr. Liaw received a total of $72 from 1 pharmaceutical and/or device company across 4 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in radiation oncology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Liaw is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| MRI contrast dye injection (gadoterate) | 22,824 | $0 | $0 |
| Contrast dye for imaging (iodine-based) | 2,150 | $0 | $0 |
| Chest X-ray, 1 view | 766 | $6 | $35 |
| Mri scan of lower spinal canal without contrast | 543 | $143 | $1,600 |
| Mri scan of leg joint without contrast | 382 | $146 | $1,546 |
| X-ray of hand, minimum of 3 views | 253 | $27 | $86 |
| Mri scan of upper spinal canal without contrast | 223 | $138 | $1,516 |
| Foot X-ray, 3+ views | 219 | $24 | $86 |
| Mri scan of arm joint without contrast | 207 | $149 | $1,582 |
| Fluoroscopic guidance for needle placement | 184 | $87 | $232 |
| Technetium tc-99m medronate, diagnostic, per study dose, up to 30 millicuries | 178 | $30 | $40 |
| Shoulder X-ray, 2+ views | 152 | $24 | $92 |
| Steroid injection (triamcinolone) | 145 | $1 | $54 |
| X-ray of knee, 1-2 views | 144 | $22 | $84 |
| Nuclear medicine study of bone and/or joint whole body | 143 | $200 | $679 |
| Ct scan of lower spine without contrast | 142 | $90 | $831 |
| Ct scan of leg without contrast | 122 | $94 | $793 |
| Joint injection, major joint | 120 | $50 | $209 |
| Mri scan of middle spinal canal without contrast | 119 | $118 | $1,623 |
| X-ray of abdomen, 1 view | 108 | $6 | $35 |
| Dexamethasone injection (steroid) | 100 | $0 | $17 |
| Mri scan of leg without contrast | 98 | $165 | $1,578 |
| Hip X-ray, 2-3 views | 95 | $33 | $125 |
| Knee X-ray, 3 views | 92 | $26 | $92 |
| X-ray of wrist, minimum of 3 views | 89 | $29 | $92 |
| Chest X-ray, 2 views | 87 | $20 | $104 |
| Mri scan of lower spinal canal before and after contrast | 77 | $230 | $2,189 |
| CT scan of abdomen and pelvis with contrast | 77 | $60 | $353 |
| Ct scan of abdomen and pelvis without contrast | 76 | $59 | $337 |
| X-ray of lower and sacral spine, minimum of 4 views | 71 | $34 | $151 |
| X-ray of lower and sacral spine, 2-3 views | 70 | $26 | $109 |
| X-ray of ankle, minimum of 3 views | 69 | $25 | $86 |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | 64 | $80 | $296 |
| Ct scan of upper spine without contrast | 62 | $88 | $840 |
| X-ray of upper spine, 2-3 views | 54 | $26 | $102 |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | 47 | $189 | $684 |
| Ct scan of arm without contrast | 47 | $114 | $803 |
| Ultrasonic guidance for needle placement | 47 | $44 | $510 |
| Mri scan of pelvis without contrast | 46 | $170 | $1,579 |
| CT scan of chest, without contrast | 45 | $39 | $226 |
| Ct scan of middle spine without contrast | 42 | $88 | $838 |
| X-ray of middle spine, 2 views | 39 | $22 | $107 |
| Limited ultrasound scan behind abdominal cavity | 37 | $21 | $111 |
| Limited ultrasound scan of joint or other extremity structure except blood vessels | 36 | $30 | $175 |
| Complete x-ray of body bones | 36 | $77 | $275 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 35 | $38 | $157 |
| Ct scan of pelvis without contrast | 34 | $40 | $211 |
| X-ray of knee, 4 or more views | 34 | $30 | $108 |
| Injection into tendon or ligament | 32 | $43 | $154 |
| Ct scan of blood vessels of chest with contrast | 29 | $64 | $352 |
| Mri scan of arm without contrast | 28 | $207 | $1,606 |
| Injection of substance into lower spine canal using imaging guidance | 27 | $194 | $748 |
| X-ray of pelvis, 1-2 views | 24 | $6 | $34 |
| X-ray of thigh bone, minimum 2 views | 24 | $27 | $98 |
| X-ray of sacrum and tailbone, minimum of 2 views | 22 | $23 | $91 |
| Ultrasound scan of head and neck soft tissue | 22 | $76 | $304 |
| 3D screening mammography (tomosynthesis) | 22 | $51 | $171 |
| Screening mammography | 22 | $123 | $268 |
| Nuclear medicine study of bone and/or joint limited area | 22 | $159 | $708 |
| X-ray of both hips, minimum of 5 views | 21 | $41 | $172 |
| Double contrast x-ray of esophagus | 21 | $75 | $330 |
| Ct scan of chest with contrast | 20 | $37 | $240 |
| X-ray of upper spine, 4-5 views | 20 | $35 | $149 |
| Aspiration and/or injection of fluid from small joint | 19 | $50 | $206 |
| Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance | 19 | $99 | $880 |
| X-ray of hand, 2 views | 19 | $24 | $80 |
| Review by radiologist of ct guidance for needle placement | 19 | $109 | $998 |
| Ct scan of lower spine with contrast | 18 | $124 | $990 |
| X-ray of forearm, 2 views | 18 | $4 | $33 |
| Ct scan of arm with contrast | 18 | $150 | $925 |
| Limited ultrasound scan of abdomen | 18 | $20 | $114 |
| Bone density scan (DEXA) | 18 | $9 | $39 |
| Aspiration and/or injection of fluid from medium joint | 17 | $42 | $159 |
| X-ray of ribs on side of body, 2 views | 17 | $25 | $99 |
| Mri scan of upper spinal canal before and after contrast | 17 | $230 | $2,240 |
| Mri scan of arm joint before and after contrast | 17 | $289 | $2,129 |
| X-ray of lower leg, 2 views | 17 | $24 | $84 |
| Mri scan of leg before and after contrast | 17 | $260 | $2,243 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 17 | $25 | $133 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 17 | $82 | $466 |
| Injection of contrast for imaging of shoulder joint | 16 | $131 | $422 |
| X-ray of spine, 1 view | 16 | $15 | $71 |
| X-ray of ribs on side of body, minimum of 3 views | 15 | $9 | $53 |
| X-ray of joint between lower spine and hip bone, 1-2 views | 15 | $22 | $85 |
| X-ray of both hips, 3-4 views | 15 | $33 | $148 |
| Complete ultrasound scan of abdomen | 15 | $68 | $377 |
| Mri scan of middle spinal canal before and after contrast | 14 | $250 | $2,175 |
| Mri scan of pelvis before and after contrast | 14 | $233 | $2,218 |
| X-ray of joint between lower spine and hip bone, 3 or more views | 14 | $26 | $99 |
| X-ray of elbow, 2 views | 14 | $22 | $82 |
| X-ray of elbow, minimum of 3 views | 14 | $5 | $34 |
| X-ray of foot, 2 views | 14 | $18 | $80 |
| Mri scan of leg joint before and after contrast | 14 | $293 | $2,127 |
| Treatment of broken lower spine bone with placement of stabilizing device | 13 | $4,386 | $22,224 |
| Injection of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidance, single level | 13 | $204 | $703 |
| X-ray lower and sacral spine, minimum of 6 views | 12 | $44 | $193 |
| X-ray of upper arm, minimum of 2 views | 12 | $25 | $91 |
| X-ray of lower spinal canal with review by radiologist | 11 | $191 | $731 |
| Ct scan of upper spine with contrast | 11 | $105 | $993 |
| Ct scan of leg with contrast material | 11 | $39 | $226 |
| Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes | 11 | $8 | $33 |
Industry Payment Transparency
Open Payments through 2021 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2021)
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2021 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Liaw is a mixed practice specialist, with above-average Medicare volume (top 1% in TX), and low-engagement industry engagement, with 15 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Liaw experienced with mri contrast dye injection (gadoterate)?
Does Dr. Liaw receive payments from pharmaceutical companies?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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