Dr. Allen Chen, MD
What this data tells you about Dr. Chen
Dr. Allen Chen is a radiation oncology specialist in Seattle, WA, with 18 years of NPI registration. Based on federal Medicare data, Dr. Chen performed 7,897 Medicare services across 503 unique beneficiaries.
Between the years covered by Open Payments, Dr. Chen received a total of $5,170 from 18 pharmaceutical and/or device companies across 62 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. Chen is Very High — reflecting how much public federal data is available about this provider. 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) A contrast agent containing 300-399 mg/ml of iodine used to enhance imaging studies. It is administered per milliliter to improve the visibility of internal structures. |
7,450 | $0 | $4 |
| Blood creatinine level test A blood test that measures the amount of creatinine, a waste product from muscle wear and tear, to help assess kidney function. |
64 | $5 | $39 |
| Ultrasound guidance for needle placement Use of ultrasound imaging to guide the precise placement of a needle during a medical procedure. |
52 | $25 | $85 |
| CT scan of chest blood vessels with contrast A CT scan that uses contrast dye to create detailed images of the blood vessels in the chest. |
46 | $69 | $242 |
| CT scan of abdomen and pelvis with contrast A CT scan that uses dye to create detailed images of the abdomen and pelvis. This imaging test helps doctors examine internal organs and structures in these areas. |
30 | $303 | $3,297 |
| CT scan of chest with contrast A computed tomography scan of the chest using a contrast dye to enhance the visibility of internal structures. |
26 | $126 | $2,274 |
| Contrast injection through abdominal tube for X-ray A contrast dye is injected into the abdomen through a tube to enhance visibility during an X-ray study. |
24 | $28 | $582 |
| Lumbar puncture with imaging guidance A procedure to remove spinal fluid from the lower back for diagnostic testing, performed using imaging guidance. |
24 | $68 | $732 |
| Radiologist review of CT-guided needle placement A radiologist reviews the CT imaging used to guide the placement of a needle. |
24 | $59 | $195 |
| Kidney needle biopsy A procedure in which a needle is used to remove a small sample of kidney tissue for examination. |
22 | $100 | $1,632 |
| CT scan of abdomen and pelvis, without contrast A computed tomography scan that creates detailed images of the abdominal and pelvic organs. The procedure is performed without the use of intravenous contrast dye. |
21 | $172 | $2,138 |
| Ultrasound-guided fine needle aspiration biopsy, first lesion A biopsy procedure where a thin needle is used to collect tissue samples from a growth, guided by ultrasound imaging. This code applies to the first lesion or mass sampled during the session. |
19 | $60 | $406 |
| Radiologist review of abscess or sinus study A radiologist reviews the images from a study of an abscess or sinus cavity. |
18 | $20 | $70 |
| 3D radiographic procedure A radiographic imaging technique that creates three-dimensional representations of internal structures. |
18 | $8 | $27 |
| Abdominal fluid drainage by tube with imaging guidance A procedure to remove fluid from the abdominal cavity using a tube. Imaging guidance is used to direct the placement of the tube. |
13 | $158 | $2,811 |
| CT scan of abdomen with contrast A CT scan of the abdomen using a contrast dye to create detailed images of internal organs and structures. |
12 | $52 | $170 |
| CT scan of abdomen and pelvis with contrast A CT scan of the abdomen and pelvis using contrast dye before and after administration to visualize internal structures. |
12 | $323 | $3,715 |
| Liver needle biopsy through skin A procedure in which a needle is inserted through the skin to remove a small sample of liver tissue for examination. |
11 | $76 | $938 |
| CT scan of chest, without contrast A computed tomography scan of the chest area that uses X-rays to create detailed images without the use of contrast dye. |
11 | $95 | $1,720 |
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)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (93%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 9% for radiation oncology in WA.
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 reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Chen is a mixed practice specialist, with above-average Medicare volume (top 17% in WA), with low-engagement industry engagement in the top 9% of WA peers, with 18 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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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. Data Coverage reflects 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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