Dr. Dheeraj Mahajan
Dr. Dheeraj Mahajan
Last updated: Jul 30, 2025

Dr. Dheeraj Mahajan

  • Gender: Male
  • Experience: 24 years
  • Graduation year: 1997
  • Sole propriator: Yes
  • NPI: 1831133693

Dr. Dheeraj Mahajan M.D.

Internist

He is located at 101 Madison Street Suite 300 in Oak Park, IL 60302. Can help patients with the following: Fever, Hyperlipidemia, Nausea and Vomiting, Obesity, Urethritis, Urinary Tract Infection (UTI). His National Provider Identifier (NPI) number is 1831133693. Appointment can be made via the phone number (708) 486-2700. He also has a website where you can get more information. The website can be found at http://doctors.advocatehealth.com/p-dheeraj-mahajan-oak-park-internal-medicine. He is affiliated with 3 practices and 4 hospitals.

Conditions treated

Dr. Dheeraj Mahajan, being an internist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Dheeraj Mahajan.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Prescription Refill
  • Urethritis
  • Urinary Tract Infection (UTI)

Procedures Performed by Dr. Dheeraj Mahajan

Medicare Enrollment

Dr. Dheeraj Mahajan is enrolled to bill Medicare as a Practitioner - Internal Medicine .

Bills through: Advocate Health And Hospitals Corporation

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Payments received

Drug payment

Sanofi $39744
Merck $975
KCI USA $550

Other

Promotional Speaking or Service $33332
Consulting $3389
Food and Beverage $2522
Travel and Lodging $2280
Other $550

Studies

Graduated in 1997

Other ways to reach out

  • Website: http://doctors.advocatehealth.com/p-dheeraj-mahajan-oak-park-internal-medicine

Affiliated practices

VHS Westlake Hospital Inc.
1225 West Lake Street
Melrose Park, 60160 IL
(708) 938-7580
Cimpar SC
101 Madison Street
Oak Park, 60302 IL
(708) 486-2700
MZ Sait MD
675 West North Avenue
Melrose Park, 60160 IL
(630) 932-2010

Affiliated hospitals

LOYOLA UNIVERSITY MEDICAL CENTER
2160 S 1ST AVENUE
MAYWOOD, 60153 IL
(708) 216-9000
PRESENCE RESURRECTION MEDICAL CENTER
7435 W TALCOTT AVENUE
CHICAGO, 60631 IL
(773) 774-8000
UNIVERSITY OF ILLINOIS HOSPITAL
1740 WEST TAYLOR ST SUITE 1400
CHICAGO, 60612 IL
(312) 996-3900
ADVOCATE ILLINOIS MASONIC MEDICAL CENTER
836 WEST WELLINGTON AVENUE
CHICAGO, 60657 IL
(773) 975-1600

Looking for more Internists?

Out of the 58 internists in this region, here are 10 randomly selected ones for you to explore.

Dr. Katarzyna Kielczyk
  • Gender: Female
  • Address: 3 Erie Court Oak Park, 60302, IL
Dr. Kalpesh Ashvin Patel
  • Gender: Male
  • Address: 3 Erie Court Oak Park, 60302, IL
Dr. Devon Zoller
  • Gender: Male
  • Address: 5595 Transportation Boulevard Suite 220 Garfield Heights, 44125, OH
Dr. Andrea N. Slasuraitis
  • Gender: Female
  • Address: 600 East Sibley Boulevard Dolton, 60419, IL
Dr. Katherine Heretis
  • Gender: Female
  • Address: 7035 North Avenue Oak Park, 60302, IL
Dr. Malcolm A. Deam
  • Gender: Male
  • Address: Suite L500 1 Erie Court Oak Park, 60302, IL
Dr. Alan B. Rosenberg
  • Gender: Male
  • Address: 1206 North Kenilworth Avenue Oak Park, 60302, IL
Kathleen Dorgan
  • Gender: Female
  • Address: Suite 4120 1 Erie Court Oak Park, 60302, IL
Dr. Anthony M. Marinelli
  • Gender: Male
  • Address: Suite 3000 1 Erie Court Oak Park, 60302, IL
Dr. Afshan Mohiuddin
  • Gender: Female
  • Address: 3 Erie Court Oak Park, 60302, IL

Questions & Answers

What conditions does Dr. Dheeraj Mahajan treat?

Dr. Dheeraj Mahajan provides treatment for Fever, Hyperlipidemia, Nausea and Vomiting, Obesity, Urethritis, Urinary Tract Infection (UTI). For the full list see this list.

Has Dr. Dheeraj Mahajan affiliation with hospitals?

Dr. Dheeraj Mahajan is affiliated with LOYOLA UNIVERSITY MEDICAL CENTER. For the full list of hospitals see this list.

Does Dr. Dheeraj Mahajan have affiliation with practices?

Dr. Dheeraj Mahajan is affiliated with VHS Westlake Hospital Inc.. For the full list of practices see this list.

Does Dr. Dheeraj Mahajan accept insurance?

Unfortunately we don't have any information if Dr. Dheeraj Mahajan accepts insurance.

Where can you meet with Dr. Dheeraj Mahajan?

Dr. Dheeraj Mahajan's office is located at 101 Madison Street Suite 300 in Oak Park, IL 60302.