Doctor profile · Federal record

Dr. Ramji Rajendran, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Elk Grove Village, IL

  • NPI 1982760773
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
800 Biesterfield RD, Suite 110
Elk Grove Village, IL 600073361
(847) 981-5760
fax (847) 956-5138
Additional location
1700 Luther Ln
Park Ridge, IL 600681270
(847) 723-8030
Mailing address
700 Commerce Dr, Suite 500
Oak Brook, IL 605231546

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
August 18, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Illinois #036-124964
Medicaid
IL #036124964

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982760773. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,899
Distinct HCPCS
10
Medicare allowed
$189,318
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 638 85 $46
77427 Radiation treatment management, 5 treatment sessions 206 68 $201
77334 Design and construction of complex radiation treatment device 177 74 $62
77300 Calculation of radiation therapy dose 159 50 $34
99213 Established patient office or other outpatient visit, 20-29 minutes 117 83 $69
77263 Complex radiation therapy planning 90 84 $178
99214 Established patient office or other outpatient visit, 30-39 minutes 52 41 $102
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 44 $85
77338 Design and construction of radiation treatment device for high precision radiation therapy 46 39 $233
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 43 40 $22

In context: peer comparison

Among 1 peers in this city , average services per provider: 79. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$48,520
Transactions
59
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Novocure Inc. 24 $29,374.01
AstraZeneca Pharmaceuticals LP 12 $13,704.10
Novartis Pharmaceuticals Corporation 9 $2,962.24
Bayer Healthcare Pharmaceuticals Inc. 4 $1,732.39
Elekta, Inc. 4 $290.78
BIOPROTECT MEDICAL, INC. 1 $236.78
Telix Pharmaceuticals 1 $123.62
Sumitomo Pharma America, Inc. 1 $28.47
Eisai Inc. 1 $23.45
Boston Scientific Corporation 1 $22.20
Merck Sharp & Dohme LLC 1 $22.08

By nature of payment

Consulting Fee
$17,670
Compensation for serving as faculty or as a speaker for a medical education program
$14,450
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$8,610
Honoraria
$4,175
Food and Beverage
$1,959
Travel and Lodging
$1,656

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
67
Patients
34
Total drug cost
$1,664
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 29 19 $600
Dexamethasone Generic 21 15 $881
Tamsulosin Hcl Generic 17 0 $184

Frequently asked questions

Auto-generated from federal data
What is Dr. Ramji Rajendran's medical specialty?
Dr. Ramji Rajendran practices Radiation Oncology Physician in Elk Grove Village, IL.
Where does Dr. Ramji Rajendran practice?
Dr. Ramji Rajendran practices at 800 Biesterfield RD, Elk Grove Village, IL 600073361. Office phone: 8479815760.
What is Dr. Ramji Rajendran's NPI?
Dr. Ramji Rajendran's National Provider Identifier (NPI) is 1982760773, issued by NPPES.
Does Dr. Ramji Rajendran accept Medicare assignment?
Yes. Dr. Ramji Rajendran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ramji Rajendran commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Design and construction of complex radiation treatment device (HCPCS 77334). Source: CMS Medicare Physician & Other Practitioners file.