Physician Profile
Mark K. Buyyounouski, M.D.
Unclaimed ProfileAbout Dr. Buyyounouski
Mark K. Buyyounouski, M.D. practices radiation oncology in Stanford, CA. Mark is a 2000 graduate of Rutgers New Jersey Medical School. Mark is also listed as specializing in specialist. Medicare claims data shows Mark provided 1,537 services to 694 patients. The services billed most often include ct guidance for insertion of radiation therapy fields, calculation of radiation therapy dose, and radiation treatment management, 5 treatment sessions.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (650) 723-4000
- Email not available
Practice Locations
300 PASTEUR DR
Stanford, CA 94305
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
- Dupuytren's contracture
- Keloid scars
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
1,537 services · 694 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle or tube into prostate for radiation therapy | Procedure | 55875 |
52 | More often than most peers in Radiation Oncology |
| Placement of device in prostate for radiation therapy | Procedure | 55876 |
21 | As often as other peers in Radiation Oncology |
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
565 | As often as other peers in Radiation Oncology |
| Calculation of radiation therapy dose | Imaging | 77300 |
220 | As often as other peers in Radiation Oncology |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
139 | As often as other peers in Radiation Oncology |
| Complex radiation therapy planning | Imaging | 77263 |
83 | More often than most peers in Radiation Oncology |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
58 | More often than most peers in Radiation Oncology |
| High precision radiation therapy planning | Imaging | 77301 |
58 | More often than most peers in Radiation Oncology |
| 3d radiation therapy planning | Imaging | 77295 |
58 | More than most peers in Radiation Oncology |
| High dose radiation therapy, more than 12 channels | Imaging | 77772 |
52 | More 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 2
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 Stanford 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Rutgers New Jersey Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Rutgers New Jersey Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle or tube into prostate for radiation therapy 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Mark K. Buyyounouski specialize in?
Mark K. Buyyounouski is a radiation oncologist in Stanford, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
Where is Mark K. Buyyounouski located?
Mark K. Buyyounouski is listed at 300 Pasteur Dr, Stanford, CA 94305. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark K. Buyyounouski's phone number?
The number on file is (650) 723-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Mark K. Buyyounouski?
Mark K. Buyyounouski's National Provider Identifier is 1912927021. 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 Mark K. Buyyounouski train?
Mark K. Buyyounouski attended Rutgers New Jersey Medical School, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark K. Buyyounouski have?
Mark K. Buyyounouski has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Mark K. Buyyounouski do most often?
According to Medicare billing data, Mark K. Buyyounouski performs procedures including insertion of needle or tube into prostate for radiation therapy and placement of device in prostate for radiation therapy; reads or performs imaging such as ct guidance for insertion of radiation therapy fields and calculation of radiation therapy dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark K. Buyyounouski's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark K. Buyyounouski. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.