Physician Profile
Unclaimed ProfileAbout 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.
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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (312) 942-5000
- Email not available
Practice Locations
1653 W CONGRESS PKWY
Chicago, IL 60612
Procedures Most Often Billed to Medicare
2,048 services · 800 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
666 |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
242 |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
197 |
| Calculation of radiation therapy dose | Imaging | 77300 |
195 |
| Complex radiation therapy planning | Imaging | 77263 |
92 |
| 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 |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
43 |
| High precision radiation therapy planning | Imaging | 77301 |
39 |
| Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | Imaging | 77280 |
36 |
| 3d radiation therapy planning | Imaging | 77295 |
34 |
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 oncology specialists 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 Dr. Sen specialize in?
Dr. Sen is a radiation oncology in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RADIATION ONCOLOGY”.
NPI registry
Where is Dr. Sen located?
Dr. 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 Dr. Sen's phone number?
The number on file is (312) 942-5000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Sen's NPI number?
Dr. 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 Dr. Sen go to medical school?
Dr. Sen attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Sen been practicing?
Dr. Sen has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Sen do most often?
According to Medicare billing data, Dr. 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 Dr. Sen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sen. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.