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Edit this profileAt a glance
- 101 Nicolls Rd, Levle 2 Radiation Oncology, Stony Brook, NY 11794
About Dr. Ryu
Samuel Ryu, M.D. practices radiation oncology in Stony Brook, NY. Medicare claims data shows Samuel provided 592 services to 274 patients. The services billed most often include stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy, calculation of radiation therapy dose, and design and construction of complex radiation treatment device. The provider's National Provider Identifier (NPI) is 1639239049.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (631) 444-7770
- Email not available
Practice Locations
101 NICOLLS RD LEVLE 2 RADIATION ONCOLOGY
Stony Brook, NY 11794
Conditions Commonly Evaluated or Treated
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.
Conditions
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
- Anal cancer
- Bile duct cancer
- Colon cancer
- Esophageal cancer
- Gallbladder cancer
- Liver cancer
- Pancreatic cancer
- Stomach 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
Procedures & services
Most searched procedures
Advanced radiation
Benign treatment
Brain radiation
Cancer treatment
Central nervous system
Consultation
External radiation
- Electron beam therapy
- Image-guided radiation (IGRT)
- IMRT (Targeted intensity radiation)
- RapidArc / VMAT radiation
- Total body irradiation (TBI)
Eye cancer treatment
Follow-up care
Heart treatments
Internal radiation
Pain and symptom relief
Particle therapy
Precision radiation
- Adaptive radiation therapy
- Heart-sparing breath hold radiation (DIBH)
- Spine radiosurgery
- Stereotactic body radiation (SBRT)
- Stereotactic radiosurgery (SRS)
- Tattoo-free radiation
Prostate cancer treatment
Prostate protection
Radiation therapy
Skin cancer treatment
Skin lymphoma treatment
Specialized radiation
Targeted isotopes
Targeted radiation drugs
Treatment planning
Procedures Most Often Billed to Medicare
592 services · 274 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Calculation of radiation therapy dose | Imaging | 77300 |
122 | Less often than most peers in Radiation Oncology |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
54 | Less 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 |
37 | More often than most peers in Radiation Oncology |
| Complex radiation therapy planning | Imaging | 77263 |
37 | Less often than most peers in Radiation Oncology |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
35 | As often as other peers in Radiation Oncology |
| High precision radiation therapy planning | Imaging | 77301 |
35 | As often as other peers in Radiation Oncology |
| Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | Billing code | G6002 |
190 | As often as other peers in Radiation Oncology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
48 | As often as other peers in Radiation Oncology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
18 | More often than most peers in Radiation Oncology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
16 | Less often than most peers in Radiation Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other radiation oncologists in Stony Brook 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Calculation of radiation therapy dose 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Samuel Ryu specialize in?
Samuel Ryu is a radiation oncologist in Stony Brook, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
Where is Samuel Ryu located?
Samuel Ryu is listed at 101 Nicolls Rd Levle 2 Radiation Oncology, Stony Brook, NY 11794. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Samuel Ryu's phone number?
The number on file is (631) 444-7770. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Samuel Ryu?
Samuel Ryu's National Provider Identifier is 1639239049. 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
Where did Samuel Ryu train?
Samuel Ryu attended Other, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Samuel Ryu have?
Samuel Ryu has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does Samuel Ryu do most often?
According to Medicare billing data, Samuel Ryu 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
Is Samuel Ryu's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Samuel Ryu. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.