Accepting patients
Who is Dr. Bajaj, Gastroenterologist in Oak Lawn, IL?
Dr. Ajay Bajaj, MD is a Gastroenterologist, who primarily practices in Oak Lawn, IL with 2 additional practice locations. He is board certified. Dr. Bajaj graduated from Jawaharlal Nehru Medical College and completed his residency at Finch U Hlth Sci/Chgo M Sch, Gastroenterology; Finch U Hlth Sci/Chgo M Sch, Internal Medicine; Grant Hosp Of Chicago, Internal Medicine. Dr. Bajaj is fluent in English and Hindi, and is currently seeing new patients. Dr. Bajaj’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Bajaj’s office at (708) 636-0006.
Where did Dr. Bajaj go to medical school and complete their residency?
Fellowship: Chicago Medical School, North Chicago, IL
Residency: Finch U Hlth Sci/Chgo M Sch, Gastroenterology; Finch U Hlth Sci/Chgo M Sch, Internal Medicine; Grant Hosp Of Chicago, Internal Medicine | Chicago Med Sch | Chicago Medical School | Chicago Medical | David Grant Medical Center Program
Medical School: Pondicherry University Jawaharlal Institute | Jawaharlal Nehru Medical College
Is Dr. Bajaj board certified as a Gastroenterologist?
Yes, Dr. Ajay Bajaj, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Bajaj speak?
Dr. Bajaj and their clinical team can communicate with patients in the following languages:
English
Hindi
What conditions does Dr. Bajaj treat?
As a Gastroenterologist, Dr. Bajaj 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. Bajaj. 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.
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:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
Also known as:
- Fatty Liver Disease
- Liver Disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NAFLD
- NASH
- Hepatic steatosis
ICD-10 Codes:
- K760: Fatty (change of) liver, not elsewhere classified
Also known as:
- Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Gastritis
- Inflamed stomach lining
- Stomach lining inflammation
ICD-10 Codes:
- K2970: Gastritis, unspecified, without bleeding
What procedures does Dr. Bajaj perform?
As a Gastroenterologist, Dr. Bajaj 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. Bajaj. 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.
Also known as:
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Bleeding Control
- Colonoscopy with Tissue Removal
- Colonoscopy Through Stoma
- Colonoscopy with Polyp/Tumor Removal
- Colonoscopy with Balloon Dilation
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Endoscopic Hemostasis
- Colonoscopy for Bleeding
- Flexible colonoscopy with EMR
- Endoscopic mucosal resection (colon)
- Colon polyp removal during colonoscopy
- Stoma Colonoscopy
- Diagnostic Stoma Scope
- Colostomy Colonoscopy
- Flexible colonoscopy with ablation
- Colon polyp removal
- Colon tumor destruction
- Therapeutic colonoscopy
- Flexible Colonoscopy with Dilation
- Colon Dilation during Colonoscopy
- Endoscopic Balloon Dilation of Colon
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45382: Colonoscopy, flexible; with control of bleeding, any method
- 45390: Colonoscopy, flexible; with endoscopic mucosal resection
- 44388: Colonoscopy through stoma; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45388: Colonoscopy, flexible; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
- 45386: Colonoscopy, flexible; with transendoscopic balloon dilation
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:
- Diagnostic Upper Endoscopy with Biopsy
- Colonoscopy with Injections
- EGD with Esophageal Balloon Dilation
- Upper Endoscopy with Injections
- Upper Endoscopy with Varices Banding
- Esophagus Widening Procedure (Endoscopic)
- Flexible Sigmoidoscopy with Biopsy
- Upper Endoscopy with Tube Placement
- ERCP with Gallstone or Pancreatic Stone Removal
- Endoscopic GERD Surgery (Fundoplasty)
- Esophagus Dilation with Balloon Endoscopy
- Colonoscopy
- Colorectal Cancer Screening Tests
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- EGD with Submucosal Injections
- Esophagogastroduodenoscopy with Injections
- Stomach Scope with Medication
- EGD with Band Ligation
- Esophageal Varices Banding
- Gastric Varices Treatment
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
- EGD with Catheter Insertion
- Esophagogastroduodenoscopy with Tube
- Flexible Endoscopy for Tube Placement
- Endoscopic Retrograde Cholangiopancreatography
- Bile Duct Stone Removal
- Pancreatic Stone Lithotripsy
- EGD with Fundoplasty
- Anti-Reflux Endoscopy
- Esophagogastroduodenoscopy with Fundoplication
- Transoral Fundoplasty
- EGD with Esophageal Dilation
- Upper Endoscopy with Balloon Dilation
- Swallowing Tube Widening
- Esophageal Stricture Dilation
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43236: Esophagogastroduodenoscopy, flexible, transoral; with directed submucosal injection(s), any substance
- 43244: Esophagogastroduodenoscopy, flexible, transoral; with band ligation of esophageal/gastric varices
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
- 43241: Esophagogastroduodenoscopy, flexible, transoral; with insertion of intraluminal tube or catheter
- 43265: Endoscopic retrograde cholangiopancreatography (ERCP); with destruction of calculi, any method (eg, mechanical, electrohydraulic, lithotripsy)
- 43210: Esophagogastroduodenoscopy, flexible, transoral; with esophagogastric fundoplasty, partial or complete, includes duodenoscopy when performed
- 43233: Esophagogastroduodenoscopy, flexible, transoral; with dilation of esophagus with balloon (30 mm diameter or larger) (includes fluoroscopic guidance, when performed)
Also known as:
- Hemorrhoid Removal by Heat
- Infrared Coagulation for Hemorrhoids
- Hemorrhoid Cautery
- Radiofrequency Hemorrhoid Treatment
CPT Codes:
- 46930: Destruction of internal hemorrhoid(s) by thermal energy (eg, infrared coagulation, cautery, radiofrequency)
Also known as:
- ERCP with Sphincterotomy
- ERCP with Stent Placement
- ERCP with Bile or Pancreatic Duct Stent Removal
- ERCP with Bile Duct Dilation
- ERCP for Bile/Pancreatic Stent Exchange
- Diagnostic ERCP
- Endoscopic retrograde cholangiopancreatography
- Bile duct scope
- Pancreatic duct scope
- Papillotomy
- Endoscopic Retrograde Cholangiopancreatography with Stent
- Bile Duct Stent Placement via ERCP
- Pancreatic Duct Stent Placement via ERCP
- Endoscopic Retrograde Cholangiopancreatography
- Bile Duct Stent Removal
- Pancreatic Duct Foreign Body Removal
- ERCP Stone Removal
- Endoscopic Retrograde Cholangiopancreatography with Dilation
- Bile Duct Widening via ERCP
- Pancreatic Duct Balloon Dilation
- Bile duct stent replacement (ERCP)
- Endoscopic retrograde cholangiopancreatography with stent exchange
- Biliary stent removal and replacement
- Pancreatic duct stent exchange
CPT Codes:
- 43262: Endoscopic retrograde cholangiopancreatography (ERCP); with sphincterotomy/papillotomy
- 43274: Endoscopic retrograde cholangiopancreatography (ERCP); with placement of endoscopic stent into biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent
- 43275: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of foreign body(s) or stent(s) from biliary/pancreatic duct(s)
- 43277: Endoscopic retrograde cholangiopancreatography (ERCP); with trans-endoscopic balloon dilation of biliary/pancreatic duct(s) or of ampulla (sphincteroplasty), including sphincterotomy, when performed, each duct
- 43276: Endoscopic retrograde cholangiopancreatography (ERCP); with removal and exchange of stent(s), biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent exchanged
- 43260: Endoscopic retrograde cholangiopancreatography (ERCP); diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Laparoscopic Repair of Paraesophageal Hernia (No Mesh)
- Laparoscopic Paraesophageal Hernia Repair with Mesh
- Keyhole Paraesophageal Hernia Repair
- Laparoscopic Hiatal Hernia Repair
- Fundoplasty (Laparoscopic)
- Hiatal Hernia Repair with Mesh
- Paraesophageal Hernia Surgery
- Laparoscopic Hernia Fix
CPT Codes:
- 43281: Laparoscopy, surgical, repair of paraesophageal hernia, includes fundoplasty, when performed; without implantation of mesh
- 43282: Laparoscopy, surgical, repair of paraesophageal hernia, includes fundoplasty, when performed; with implantation of mesh
Also known as:
- Esophageal Dilation (Bougie)
- Esophageal Widening
- Bougie Dilation of Esophagus
- Swallowing Tube Dilation
CPT Codes:
- 43450: Dilation of esophagus, by unguided sound or bougie, single or multiple passes
Also known as:
- Upper Endoscopy with Tumor Ablation
- Upper Endoscopy with Polyp Removal
- Upper Endoscopy with Stomach/Duodenum Dilation
- EGD with Ablation
- Esophagus, Stomach, Duodenum Scope with Ablation
- Flexible Endoscopy Lesion Treatment
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
- EGD with Dilation
- Esophageal Dilation
- Stomach Stricture Widening
- Duodenal Stricture Repair
CPT Codes:
- 43270: Esophagogastroduodenoscopy, flexible, transoral; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 43245: Esophagogastroduodenoscopy, flexible, transoral; with dilation of gastric/duodenal stricture(s) (eg, balloon, bougie)
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:
- Feeding Tube Placement with Endoscopy
- PEG Tube Placement
- Gastrostomy Tube Insertion
- EGD with Feeding Tube
- Percutaneous Endoscopic Gastrostomy
CPT Codes:
- 43246: Esophagogastroduodenoscopy, flexible, transoral; with directed placement of percutaneous gastrostomy tube
Also known as:
- Stopping Bleeding in Esophagus, Stomach, or Duodenum
- EGD with Bleeding Control
- Upper GI Endoscopy for Bleeding
- Gastric Bleeding Treatment
CPT Codes:
- 43255: Esophagogastroduodenoscopy, flexible, transoral; with control of bleeding, any method
Also known as:
- Upper Endoscopy for Foreign Body Removal
- EGD for Foreign Body
- Gastroscopy for Object Removal
- Esophagogastroduodenoscopy for Foreign Body
CPT Codes:
- 43247: Esophagogastroduodenoscopy, flexible, transoral; with removal of foreign body(s)
Also known as:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Endoscopic Tube Placement into Bile or Pancreatic Duct
- ERCP Cannulation
- Bile Duct Cannulation
- Pancreatic Duct Access (Endoscopic)
CPT Codes:
- 43273: Endoscopic cannulation of papilla with direct visualization of pancreatic/common bile duct(s) (List separately in addition to code(s) for primary procedure)
Also known as:
- Esophageal Balloon Distension Study
- Esophageal distension test
- Balloon provocation test
- Esophageal pain study
CPT Codes:
- 91040: Esophageal balloon distension study, diagnostic, with provocation when performed
Also known as:
- Wireless Esophageal pH Test
- Bernstein Test for Esophagitis
- Esophageal pH Test
- Bravo pH Test
- Esophageal Reflux Monitoring
- Acid Reflux Test
- Acid Perfusion Test
- Esophageal Acid Test
- GERD Test
CPT Codes:
- 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation
- 91030: Esophagus, acid perfusion (Bernstein) test for esophagitis
Also known as:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Also known as:
- Anorectal Manometry
- Rectal Pressure Test
- Anal Manometry
- Pelvic Floor Function Test
- Bowel Control Test
CPT Codes:
- 91122: Anorectal manometry
Does Dr. Bajaj accept my insurance?
Dr. Bajaj accepts most major insurance plans. Important: Please call our office at (708) 636-0006 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Bajaj accept in Oak Lawn, IL?
Dr. Bajaj in Oak Lawn, 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
Blue Cross and Blue Shield of Nebraska
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Health Care Service Corporation (HCSC)
Health Partners Plans
Humana
Medicaid
Medicare
UnitedHealthcare
View All Insurances
Where is Dr. Bajaj's office located?
What is Dr. Bajaj's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Bajaj's National Provider Identifier (NPI) number is 1518943513.
What common questions do patients ask about Dr. Bajaj?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Bajaj
What is Dr. Ajay Bajaj's specialty?
Dr. Bajaj is a Gastroenterologist near Oak Lawn, IL. 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. Contact Dr. Bajaj to book an appointment today.
Is this Dr. Ajay Bajaj affiliated with a ranked Castle Connolly Top Hospital?
No, Bajaj is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Holy Cross Hospital - Chicago. Castle Connolly Top Hospitals 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
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with 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 Ajay Bajaj accepting new patients in Oak Lawn, IL?
Yes, Dr. Ajay Bajaj is accepting new patients at this time.
Does Dr. Ajay Bajaj offer online booking?
Please contact Dr. Bajaj's office at (708) 636-0006 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Ajay Bajaj?
Please contact Dr. Bajaj's office at (708) 636-0006 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Ajay Bajaj have?
Dr. Ajay Bajaj is certified by the American Board of Internal Medicine.
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