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Edit this profileAt a glance
- 1653 W Congress Pkwy, Chicago, IL 60612
About Dr. Sen
Neilayan Sen, M.D. is a healthcare provider in Chicago, IL specializing in radiation oncology. According to Medicare claims data, Neilayan cared for 800 Medicare patients across 2,048 services. The services billed most often include ct guidance for insertion of radiation therapy fields, radiation treatment management, 5 treatment sessions, and design and construction of complex radiation treatment device. This provider record is associated with NPI 1407101314.
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
- (312) 942-5000
- Email not available
Practice Locations
1653 W CONGRESS PKWY
Chicago, IL 60612
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
Cancer care
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
2,048 services · 800 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
666 | More often than most peers in Radiation Oncology |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
242 | More often than most peers in Radiation Oncology |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
197 | More often than most peers in Radiation Oncology |
| Calculation of radiation therapy dose | Imaging | 77300 |
195 | As often as other peers in Radiation Oncology |
| Complex radiation therapy planning | Imaging | 77263 |
92 | More 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 |
48 | More often than most peers in Radiation Oncology |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
43 | As often as other peers in Radiation Oncology |
| High precision radiation therapy planning | Imaging | 77301 |
39 | As often as other peers in Radiation Oncology |
| Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | Imaging | 77280 |
36 | As often as other peers in Radiation Oncology |
| 3d radiation therapy planning | Imaging | 77295 |
34 | 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 3
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 Chicago 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 2012 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ct guidance for insertion of radiation therapy fields 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Neilayan Sen specialize in?
Neilayan Sen is a radiation oncologist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
Where is Neilayan Sen located?
Neilayan Sen is listed at 1653 W Congress Pkwy, Chicago, IL 60612. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Neilayan Sen's phone number?
The number on file is (312) 942-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Neilayan Sen's NPI number?
Neilayan Sen's National Provider Identifier is 1407101314. 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 Neilayan Sen train?
Neilayan Sen attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Neilayan Sen been practicing?
Neilayan Sen has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What does Neilayan Sen do most often?
According to Medicare billing data, Neilayan Sen performs imaging including ct guidance for insertion of radiation therapy fields and radiation treatment management, 5 treatment sessions, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Neilayan Sen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Neilayan Sen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.