Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Nayar, Gastroenterologist in Chicago, IL?
Dr. Rajeev Nayar, MD is a Gastroenterologist, who primarily practices in Chicago, IL with 2 additional practice locations. He is board certified. Dr. Nayar graduated from Maulana Azad and completed his residency at Georgetown Univ Hosp, Gastroenterology. He is a member of the AMERICAN GASTROENTEROLOGY ASSOCIATION, AMERICAN COLLEGE OF GASTROENTEROLOGY, AMERICAN COLLEGE OF PHYSICIANS, STAFF PRV LAKELAND MEDICAL CENTER/ ELKORN WI, STAFF PRV/ST MARY HOSP/ RACINE WI, and STAFF PRV/ST LUKES MEDICAL CENTER/ MILWAUKEE WI. Dr. Nayar is fluent in English, Hindi, and Panjabi; Punjabi, and is currently seeing new patients. Dr. Nayar’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nayar’s office.
Where did Dr. Nayar go to medical school and complete their residency?
Fellowship: Gastroenterology & Hepatology - Georgetown University/Veterans Affairs Medical Center Program | Advanced Endoscopy - GI Consultants/St. Luke's Medical Center, Milwaukee | GASTROENTEROLOGY, VAMC/GEORGETOWN UNIVERSITY, WASHINGTON, DC
Residency: Georgetown Univ Hosp, Gastroenterology | Internal Medicine - Georgetown University/Veterans Affairs Medical Center Program, Washington, D.C. | INTERNAL MEDICINE, VAMC/GEORGETOWN UNIVERSITY, WASHINGTON, DC | INTERNAL MEDICINE, DELHI UNIVERSITY, IN
Medical School: Maulana Azad Med Coll- Univ Of Delhi- New Delhi- Delhi- India | Maulana Azad
Is Dr. Nayar board certified as a Gastroenterologist?
Yes, Dr. Rajeev Nayar, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Nayar speak?
Dr. Nayar and their clinical team can communicate with patients in the following languages:
English
Hindi
Panjabi; Punjabi
What conditions does a Gastroenterologist like Dr. Nayar typically treat?
As a Gastroenterologist, Dr. Nayar diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Nayar. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Chronic Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Chronic gastritis
- Long-term stomach inflammation
- Persistent stomach lining inflammation
ICD-10 Codes:
- K2950: Unspecified chronic gastritis without bleeding
Also known as:
- GERD with Esophagitis
- Eosinophilic Esophagitis
- GERD
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
What procedures does a Gastroenterologist like Dr. Nayar typically perform?
As a Gastroenterologist, Dr. Nayar performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Nayar. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Upper Endoscopy with Ultrasound (EUS)
- EGD with endoscopic ultrasound
- Esophageal ultrasound
- Stomach ultrasound endoscopy
- Duodenal ultrasound endoscopy
CPT Codes:
- 43259: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination, including the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis
Also known as:
- EGD with Endoscopic Ultrasound
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- Upper GI Endoscopy with Ultrasound
- EUS (Endoscopic Ultrasound)
- Esophagus, Stomach, Duodenum Ultrasound
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 43237: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
Also known as:
- ERCP with Gallstone Removal
- ERCP
- Endoscopic Gallstone Removal
- Biliary Duct Stone Removal
- Pancreatic Duct Cleaning
CPT Codes:
- 43264: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of calculi/debris from biliary/pancreatic duct(s)
Also known as:
- ERCP with Bile or Pancreatic Duct Stent Removal
- Endoscopic Retrograde Cholangiopancreatography
- Bile Duct Stent Removal
- Pancreatic Duct Foreign Body Removal
- ERCP Stone Removal
CPT Codes:
- 43275: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of foreign body(s) or stent(s) from biliary/pancreatic duct(s)
Also known as:
- Upper Endoscopy with Ultrasound and Biopsy
- Biopsy
- Endoscopy
- Ultrasound
- EGD with Endoscopic Ultrasound Biopsy
- Transoral EUS-FNA
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43242: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s) (includes endoscopic ultrasound examination of the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis)
Does Dr. Nayar accept my insurance?
Dr. Nayar accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Nayar accept in Chicago, IL?
Dr. Nayar in Chicago, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cigna Group
CVS Health (formerly Aetna)
Humana
Medicare
Molina Healthcare
State of Illinois
Trustmark Mutual Holding Company
Unknown
Wellmark Blue Cross Blue Shield
View All Insurances
Where is Dr. Nayar's office located?
Recognitions
Memberships & Associations
AMERICAN GASTROENTEROLOGY ASSOCIATION
Member
AMERICAN COLLEGE OF GASTROENTEROLOGY
Member
AMERICAN COLLEGE OF PHYSICIANS
Member
STAFF PRV LAKELAND MEDICAL CENTER/ ELKORN WI
Staff
STAFF PRV/ST MARY HOSP/ RACINE WI
Staff
STAFF PRV/ST LUKES MEDICAL CENTER/ MILWAUKEE WI
Staff
What is Dr. Nayar's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Nayar's National Provider Identifier (NPI) number is 1346217023.
What common questions do patients ask about Dr. Nayar?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Nayar
What is Dr. Rajeev Nayar's specialty?
Dr. Nayar is a Gastroenterologist near Chicago, IL.
What does a Gastroenterologist do?
An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.
Is this Dr. Rajeev Nayar affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Nayar is affiliated with Northwestern Medicine Lake Forest Hospital, Northwestern Memorial Hospital, Northwestern Medicine Mchenry Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Rajeev Nayar accepting new patients in Chicago, IL?
Yes, Dr. Rajeev Nayar is accepting new patients at this time.
Does Dr. Rajeev Nayar offer online booking?
Please contact Dr. Nayar's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Rajeev Nayar?
Please contact Dr. Nayar's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Rajeev Nayar have?
Dr. Rajeev Nayar is certified by the American Board of Internal Medicine.
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