Dr. Leechuan Andy Chen, M.D., PH.D.
What this data tells you about Dr. Chen
Dr. Leechuan Andy Chen is an internal medicine specialist in Sugar Land, TX, with 16 years of NPI registration. Based on federal Medicare data, Dr. Chen performed 5,741 Medicare services across 768 unique beneficiaries.
Between the years covered by Open Payments, Dr. Chen received a total of $2,667 from 7 pharmaceutical and/or device companies across 17 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in internal medicine. 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. Chen 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 |
|---|---|---|---|
| Contrast dye for imaging (iodine-based) | 2,657 | $0 | $3 |
| CT guidance for radiation therapy | 1,000 | $90 | $597 |
| Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 570 | $255 | $2,762 |
| Calculation of radiation therapy dose | 275 | $48 | $365 |
| Continuing radiation therapy consultation per week | 264 | $64 | $343 |
| Radiation treatment management, 5 treatment sessions | 261 | $146 | $1,067 |
| Design and construction of complex radiation treatment device | 111 | $94 | $710 |
| Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev | 99 | $178 | $700 |
| Office visit, established patient (20-29 min) | 68 | $58 | $250 |
| Complex radiation therapy planning | 53 | $121 | $1,022 |
| New patient office visit, complex (60-74 min) | 46 | $156 | $709 |
| Design and construction of radiation treatment device for high precision radiation therapy | 44 | $346 | $2,640 |
| High precision radiation therapy planning | 41 | $1,355 | $6,431 |
| X-ray during radiation therapy | 36 | $10 | $126 |
| Drug injection, under skin or into muscle | 31 | $11 | $96 |
| Administration of chemotherapy into vein, 1 hour or less | 28 | $100 | $707 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 24 | $49 | $313 |
| Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | 24 | $24 | $145 |
| Blood draw (venipuncture) | 20 | $8 | $20 |
| Ct scan of chest with contrast | 20 | $47 | $821 |
| 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 | 19 | $337 | $1,340 |
| Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | 18 | $194 | $704 |
| CT scan of abdomen and pelvis with contrast | 17 | $168 | $1,067 |
| 3d radiation therapy planning | 15 | $365 | $4,374 |
Industry Payment Transparency
Open Payments through 2024 ↗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 (2024)
Associated products mentioned in payments ›
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 2024 |
| 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. Chen is a mixed practice specialist, with above-average Medicare volume (top 6% in TX), with low-engagement industry engagement, with 16 years of NPI registration.
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. Chen experienced with contrast dye for imaging (iodine-based)?
Does Dr. Chen receive payments from pharmaceutical companies?
How do Dr. Chen's costs compare to other internal medicine physicians in Sugar Land?
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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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