Dr. Aria Sasaki, M.D.
What this data tells you about Dr. Sasaki
Dr. Aria Sasaki is a radiation oncology specialist in Sacramento, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Sasaki performed 4,308 Medicare services across 387 unique beneficiaries.
Between the years covered by Open Payments, Dr. Sasaki received a total of $3,088 from 13 pharmaceutical and/or device companies across 56 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. Sasaki 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. |
3,946 | $0 | $1 |
| Ultrasound of arm and leg arteries This procedure uses sound waves to create images of the blood vessels in the arms and legs. It allows healthcare providers to examine the structure and blood flow within these arteries. |
78 | $57 | $421 |
| Ultrasound of leg arteries or grafts An imaging test that uses sound waves to create pictures of the blood vessels in the legs or any surgical grafts present. |
66 | $191 | $884 |
| Ultrasound of arm or leg veins An ultrasound exam of the veins in the arm or leg. The test uses sound waves to check blood flow and may include compression and other maneuvers. |
35 | $152 | $871 |
| Ultrasound of arm or leg veins An ultrasound exam of the veins in one arm or leg using compression and other maneuvers to assess blood flow and check for blockages. |
28 | $89 | $544 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
24 | $133 | $461 |
| 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. |
20 | $100 | $525 |
| Sedation by physician, initial 15 minutes Administration of a drug to induce depression of consciousness by the physician performing a procedure. This code covers the initial 15 minutes of sedation for patients aged 5 years or older. |
15 | $44 | $215 |
| Abdominal fluid drainage with imaging guidance Removal of fluid from the abdominal cavity using imaging technology to guide the procedure. |
13 | $232 | $1,310 |
| Fluoroscopic guidance for central vein access device Use of live X-ray imaging to guide the placement or removal of a central vein access device. |
13 | $90 | $683 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
13 | $84 | $343 |
| CT scan of abdominal aorta and leg arteries with contrast A CT scan that uses contrast dye to create detailed images of the abdominal aorta and the arteries in both legs. |
12 | $241 | $2,381 |
| Ultrasound guidance for blood vessel access Use of ultrasound imaging to help locate and access a blood vessel. This guidance assists healthcare providers in performing procedures such as inserting IV lines or drawing blood. |
12 | $35 | $202 |
| Central venous port insertion A surgical procedure to place a small reservoir under the skin for long-term access to the bloodstream. The device is connected to a vein to allow for repeated medication administration or blood draws. |
11 | $876 | $5,203 |
| CT scan of abdominal and pelvic blood vessels with contrast A computed tomography scan that uses contrast dye to visualize the blood vessels in the abdomen and pelvis. |
11 | $351 | $2,592 |
| Ultrasound of leg arteries or grafts An ultrasound exam that uses sound waves to create images of the arteries in one leg or any grafts present in that leg. |
11 | $113 | $565 |
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 (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 reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Sasaki is a mixed practice specialist, with moderate Medicare volume, with low-engagement industry engagement in the top 15% of CA peers, with 19 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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