Physician Profile
Steven N. Seyedin, M.D. is a healthcare provider in San Francisco, CA specializing in radiation oncology. Steven trained at University of California, Geffen School of Medicine, graduating in 2014. According to Medicare claims data, Steven cared for 688 Medicare patients across 1,757 services. 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 — free, and no identity document with a practice or institutional email.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1825 4TH ST RM L1101
San Francisco, CA 94143
200 Hawkins Dr
Iowa City, IA 52242
101 The City Dr S Bldg 23
Orange, CA 92868
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.
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
Gynecologic cancer
Head & neck cancer
Head and neck cancer
Metastatic cancer
Neurologic condition
Orthopedic conditions
Sarcoma
Skin cancer
Thoracic cancer
Urologic cancer
Vascular conditions
Most searched procedures
Advanced radiation
Benign treatment
Brain radiation
Cancer treatment
Central nervous system
Consultation
External radiation
Eye cancer treatment
Follow-up care
Heart treatments
Internal radiation
Pain and symptom relief
Particle therapy
Precision radiation
Prostate cancer treatment
Prostate protection
Radiation therapy
Skin cancer treatment
Skin lymphoma treatment
Specialized radiation
Targeted isotopes
Targeted radiation drugs
Treatment planning
1,757 services · 688 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
731 | More often than most peers in Radiation Oncology |
| Calculation of radiation therapy dose | Imaging | 77300 |
264 | More often than most peers in Radiation Oncology |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
159 | As often as other peers in Radiation Oncology |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
81 | More often than most peers in Radiation Oncology |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
68 | Less often than most peers in Radiation Oncology |
| High precision radiation therapy planning | Imaging | 77301 |
63 | More often than most peers in Radiation Oncology |
| Complex radiation therapy planning | Imaging | 77263 |
60 | As often as other peers in Radiation Oncology |
| Management of cranial lesion surgery using radiation over multiple sessions | Imaging | 77435 |
19 | As often as other peers in Radiation Oncology |
| Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | Imaging | 77280 |
11 | Less often than most peers in Radiation Oncology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
116 | 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.
Steven N. Seyedin is a radiation oncologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
Steven N. Seyedin is listed at 1825 4Th St Rm L1101, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 353-7175. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Steven N. Seyedin's National Provider Identifier is 1134513450. 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
Steven N. Seyedin attended University of California, Geffen School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Steven N. Seyedin has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Steven N. Seyedin performs imaging including 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
Not yet. This profile is built from public federal data and has not been confirmed by Steven N. Seyedin. 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.