DR. RAMJI RAMASWAMY RAJENDRAN MD
NPI 1982760773
Radiology - Radiation Oncology in Elk Grove Village, IL

Q: What is Ramji Rajendran's NPI number?

The NPI number for Ramji Rajendran is 1982760773. It was assigned to this individual provider in the NPPES registry on December 28, 2006.

Q: What is Ramji Rajendran's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Ramji Rajendran was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 28, 2006PECOS EnrolledAccepts Medicare Assignment

86.25/100

CMS Quality Rating

800 BIESTERFIELD RD, SUITE 110, ELK GROVE VILLAGE, IL 60007(847) 981-5760(847) 956-5138 Get Directions Write a Review

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 18, 2026, Dec 25, 2021, Oct 11, 2016 (3 updates tracked since 2016).

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About Dr. Ramji Ramaswamy Rajendran Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RAMJI RAMASWAMY RAJENDRAN MD (NPI 1982760773) is an individual radiation oncology provider in Elk Grove Village, Illinois, licensed in Illinois (036-124964) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Alexian Brothers Medical Center 1, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1982760773

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. RAMJI RAMASWAMY RAJENDRANCredential: MD

Location Address800 BIESTERFIELD RD, SUITE 110Elk Grove Village, IL 60007-3361

Mailing Address700 Commerce Dr, Suite 500Oak Brook, IL 60523-1546 · (847) 698-0600 · Fax (847) 698-0601

Phone(847) 981-5760

Fax(847) 956-5138

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2005

Enumeration DateDecember 28, 2006

Last NPPES UpdateMay 18, 20263 updates tracked since enumeration

NPPES CertifiedMay 18, 2026

✔ NPI 1982760773 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in IL · 036-124964

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

800 BIESTERFIELD RD, Elk Grove Village, IL 60007

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Secondary Practice Locations 2

Location 11700 Luther LnPark Ridge, IL 60068-1270 · Phone (847) 723-8030

Location 22600 Patriot Blvd Ste JGlenview, IL 60026-8024 · Phone (224) 260-3100

Other Identifiers 3

Other778401002IL · Medicare Ptan

Medicaid036124964IL

Other558620004IL · Medicare Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ramji Ramaswamy Rajendran Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567596125

PECOS Enrollment IDI20100818000121

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 20

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

412 services79 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

191 services85 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

169 services68 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

157 services56 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

146 services92 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

88 services81 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

78 services62 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

45 services41 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

38 services35 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

36 services32 patients

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 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

35 services32 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

35 services32 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

33 services31 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

27 services27 patients

Complex radiation therapy planning for delivery of external radiation 77307

Complex radiation therapy planning involves creating a detailed plan to deliver targeted radiation doses. The process includes imaging scans to identify the area needing treatment, and designing a specific radiation plan to protect healthy tissue while effectively treating the disease.

26 services26 patients

Removal of stabilizing device from head originally applied by other provider 20665

This procedure involves the careful removal of a device that has been placed on your head by another provider to ensure stability. This could be due to various medical reasons. The process is handled by trained professionals to ensure safety and comfort.

25 services23 patients

Management of complete single session course of cranial lesion surgery using radiation 77432

This procedure involves using radiation to treat a cranial lesion in one session. A precise dose of radiation targets the lesion, destroying abnormal cells while sparing healthy tissue. It's a non-invasive method, meaning no surgical incision is needed.

25 services23 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

24 services24 patients

Management of cranial lesion surgery using radiation over multiple sessions 77435

This procedure involves using targeted radiation to treat a lesion in the brain over several sessions. The radiation destroys the abnormal cells, helping to control or eliminate the lesion. It's a non-invasive treatment, meaning no surgical cuts are made.

14 services13 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

12 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Alexian Brothers Medical Center 1

Acute Care Hospitals · Elk Grove Village, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140258

Location800 Biesterfield RdElk Grove Village, IL 60007 · Cook County

Emergency services Birthing friendly

St Alexius Medical Center

Acute Care Hospitals · Hoffman Estates, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140290

Location1555 N Barrington RdHoffman Estates, IL 60169 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$183.39 typical visit price

range $60.08 – $183.39

Typical copayment $45.84 (range $15.02 – $45.84)

Most-billed visit code 99205

Established Patient

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.25/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

100

Improvement Activities

Cost

94.69

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NATIONAL PAIN CENTERS, LLC

Non-Pharmacy Dispensing Site

800 BIESTERFIELD RD, SUITE 302
ELK GROVE VILLAGE, IL 60007

Cook County (847) 701-3250

ALLISON CLAIRE VAN STAALDUINEN

Physician Assistant

800 BIESTERFIELD RD
ELK GROVE VILLAGE, IL 60007

Cook County (224) 273-3152

GRABOWSKI SURGICAL ASSOCIATES SC

Surgery

800 BIESTERFIELD RD, SUITE 3004
ELK GROVE VILLAGE, IL 60007

Cook County (847) 439-7515

NORTHWEST SUBURBAN UROLOGY ASSOCIATES SC

Urology

800 BIESTERFIELD RD, SUITE 303
ELK GROVE VILLAGE, IL 60007

Cook County (847) 593-0404

JAMIE ELIZABETH BASTEN FNP-BC

Nurse Practitioner (Family)

800 BIESTERFIELD RD
ELK GROVE VILLAGE, IL 60007

Cook County (224) 299-4222

HEALTH & WELLNESS P C

Internal Medicine

800 BIESTERFIELD RD, SUITE 2007
ELK GROVE VILLAGE, IL 60007

Cook County (847) 593-2007

DR. BHUPINDER K CHHABRA M.D.

Internal Medicine (Geriatric Medicine)

800 BIESTERFIELD RD, SUITE 3007
ELK GROVE VILLAGE, IL 60007

Cook County (847) 290-6513

BASSEM GHALY M.D.

Anesthesiology

800 BIESTERFIELD RD, DEPARTMENT OF ANESTHESIA, ABMC
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3597

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ramji Rajendran's NPI number?

The NPI number for Ramji Rajendran is 1982760773. It was assigned to this individual provider in the NPPES registry on December 28, 2006.

Where is Ramji Rajendran located?

Ramji Rajendran practices at 800 Biesterfield Rd Suite 110, Elk Grove Village, IL 60007. The listed phone number is (847) 981-5760.

What is Ramji Rajendran's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Ramji Rajendran enrolled in Medicare?

Yes. Ramji Rajendran is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ramji Rajendran accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Ramji Rajendran as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ramji Rajendran affiliated with any hospitals?

According to CMS data, Ramji Rajendran is affiliated with Alexian Brothers Medical Center 1 and St Alexius Medical Center.

When was this NPI record last updated?

The NPPES record for Ramji Rajendran was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.