Doctor profile · Federal record
Dr. Neilayan Sen, M.D.
Radiation Oncology Physician (CMS: Radiation Oncology) · Chicago, IL
- NPI 1407101314
- Accepts Medicare
- MIPS 0.0 / 100 · 2023
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1653 W Congress Pkwy
Chicago, IL 606123833
(312) 942-5000
Credentials & registration
- NPI registered
- July 2012 — 14 yrs on file
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- Illinois #125.061125
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407101314. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,038
Distinct HCPCS
10
Medicare allowed
$167,910
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 690 | 60 | $42 | |
77300 |
Calculation of radiation therapy dose | 218 | 65 | $31 | |
77427 |
Radiation treatment management, 5 treatment sessions | 209 | 73 | $180 | |
77334 |
Design and construction of complex radiation treatment device | 198 | 67 | $57 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 136 | 85 | $91 | |
G6002 |
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 117 | 32 | $19 | |
77263 |
Complex radiation therapy planning | 80 | 71 | $159 | |
G6017 |
Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment | 69 | 11 | $20 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 62 | 62 | $170 | |
77290 |
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 | 47 | 40 | $78 |
In context: peer comparison
Among 24 peers in this city , average services per provider: 85. This provider delivers 24× the peer median.Open Payments
Industry payments received
All-time total
$17
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genmab U.S., Inc. | 1 | $16.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
201
Patients
59
Total drug cost
$3,720
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 108 | 37 | $1,579 |
| Memantine Hcl | Generic | 30 | 0 | $1,183 |
| Dexamethasone | Generic | 26 | 22 | $387 |
| Oxycodone Hcl | Generic | 26 | 0 | $519 |
| Methylprednisolone | Generic | 11 | 0 | $50 |
Hospital affiliations
Frequently asked questions
What is Dr. Neilayan Sen's medical specialty?
Dr. Neilayan Sen practices Radiation Oncology Physician in Chicago, IL.
Where does Dr. Neilayan Sen practice?
Dr. Neilayan Sen practices at 1653 W Congress Pkwy, Chicago, IL 606123833. Office phone: 3129425000.
What is Dr. Neilayan Sen's NPI?
Dr. Neilayan Sen's National Provider Identifier (NPI) is 1407101314, issued by NPPES.
Does Dr. Neilayan Sen accept Medicare assignment?
Yes. Dr. Neilayan Sen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Neilayan Sen commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.