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dr.-mark-david-blitstein-md

Specializes in Adult Gastroenterology

660 N Westmoreland Road; Suite 225
Lake Forest, IL
(847) 295-1300

Clinical interests: Inflammatory Bowel Disease, Colon Cancer Screening, Gastroesophageal Reflux Disease (GERD), ... (Read more)

Dr. Mark Blitstein specializes in adult gastroenterology and practices in Lake Forest, IL, Chicago, IL, and Grayslake, IL. Dr. Blitstein is conversant in Spanish. His areas of expertise include the following: colonoscopy, capsule endoscopy, and inflammatory bowel disease. His professional affiliations include NorthShore University HealthSystem, Northwestern Lake Forest Hospital, and Northwestern Medical Faculty Foundation. He attended Loyola University Chicago, Stritch School of Medicine and subsequently trained at McGaw Medical Center of Northwestern University for residency. He honors CIGNA Plans, Private Healthcare Systems (PHCS), Aetna POS, and more. Dr. Blitstein has received professional recognition including the following: Castle Connolly Best Doctors. His practice is open to new patients.

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dr.-david-m-shapiro-md

Specializes in Adult Gastroenterology

900 N. Westmoreland Road; Suite 225
Lake Forest, IL
(847) 295-1300; (847) 724-4536

Clinical interests: Interventional Endoscopy, Endoscopic Retrograde Cholangiopancreatography (ERCP), Endoscopic ... (Read more)

Dr. David Shapiro, who practices in Lake Forest, IL, Chicago, IL, and Glenview, IL, is a medical specialist in adult gastroenterology. Dr. Shapiro graduated from the University of Cincinnati College of Medicine and the University of Nevada School of Medicine and then he performed his residency at Northwestern Memorial Hospital and Los Angeles County+USC Medical Center. These areas are among his clinical interests: pancreas problems, esophageal cancer, and rectal problems. He accepts several insurance carriers, including CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna POS. He has received the following distinction: Elected to Alpha Omega Alpha Honor Society. His professional affiliations include Northwestern Lake Forest Hospital, Northwestern Medical Faculty Foundation, and Northwestern Memorial Hospital. Dr. Shapiro is accepting new patients.

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dr.-john-wanyama-matseshe-md

Specializes in Adult Gastroenterology

890 Garfield Avenue; #103
Libertyville, IL
(847) 680-5858

Clinical interests: crohn's disease, irritable bowel syndrome, ulcerative colitis, biliary stone removal, colonoscopy, ... (Read more)

Dr. John Matseshe is an adult gastroenterology specialist in Libertyville, IL. His clinical interests include colonoscopy, crohn's disease, and colon polyps. Dr. Matseshe is affiliated with Advocate Condell Medical Center and Northwestern Lake Forest Hospital. Before performing his residency at Northwestern Memorial Hospital, Dr. Matseshe attended Makerere University College of Health Sciences for medical school. Dr. Matseshe takes CIGNA Plans, United Healthcare Plans, and Aetna POS, in addition to other insurance carriers. He has an open panel.

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dr.-robert-allen-hadesman-md

Specializes in Adult Gastroenterology

890 Garfield Avenue; #103
Libertyville, IL
(847) 680-5858

Clinical interests: biliary stone removal, colonoscopy, endoscopic ultrasound, esophogeal gastro duodenoscopy, feeding ... (Read more)

Dr. Robert Hadesman works as a gastroenterologist in Libertyville, IL. Clinical interests for Dr. Hadesman include colonoscopy, colon polyps, and hemorrhoids. He is affiliated with NorthShore University HealthSystem, Advocate Condell Medical Center, and Northwestern Lake Forest Hospital. Before completing his residency at Northwestern Memorial Hospital, Dr. Hadesman attended medical school at Washington University in St. Louis School of Medicine. He takes several insurance carriers, including CIGNA Plans, United Healthcare Plans, and Aetna POS. He has received the following distinction: Chicago Super Doctors.

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dr.-philip-nana-adjei-md

Specializes in Adult Gastroenterology

890 Garfield Avenue; #103
Libertyville, IL
(847) 680-5858

(Average of 1 in 1 rating)

Clinical interests: colon polyps, biliary stone removal, colonoscopy, endoscopic ultrasound, esophogeal gastro ... (Read more)

Dr. Philip Adjei specializes in adult gastroenterology. Clinical interests for Dr. Adjei include colonoscopy, hemorrhoids, and colon polyps. His hospital/clinic affiliations include Advocate Condell Medical Center and Northwestern Lake Forest Hospital. He is in-network for CIGNA Plans, United Healthcare Plans, Aetna POS, and more. He is open to new patients. He studied medicine at the University of Ghana Medical School. Dr. Adjei's medical residency was performed at Howard University Hospital and Mayo Clinic.

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dr.-arkan-i-alrashid-md

Specializes in Adult Gastroenterology

1880 W Winchester Road; Suite 201
Libertyville, IL
(847) 247-0187

(Average of 5 in 1 rating)

Clinical interests: endoscopic banding of hemorrhoids, endoscopy of the bile duct, liver biopsy, sigmoidoscopy ... (Read more)

Dr. Arkan Alrashid, who practices in Libertyville, IL, is a medical specialist in adult gastroenterology. Dr. Alrashid is conversant in Arabic. In his practice, Dr. Alrashid focuses on liver biopsy. He is professionally affiliated with Advocate Condell Medical Center. Dr. Alrashid graduated from Al-Mustansiriya College of Medicine. For his residency, Dr. Alrashid trained at Chicago Medical School. He takes several insurance carriers, including CIGNA Plans, Private Healthcare Systems (PHCS), and United Healthcare Plans.

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dr.-alexander-steve-tosiou-md

Specializes in Adult Gastroenterology

660 N Westmoreland Road; Suite 225
Lake Forest, IL
(847) 295-1300

Clinical interests: Inflammatory Bowel Disease, Colon Cancer Screening, Gastroesophageal Reflux Disease (GERD), ... (Read more)

Dr. Alexander Tosiou's area of specialization is adult gastroenterology. His areas of expertise consist of colonoscopy, capsule endoscopy, and inflammatory bowel disease. He is affiliated with Northwestern Lake Forest Hospital, Northwestern Medical Faculty Foundation, and Northwestern University Feinberg School of Medicine. Before performing his residency at Evanston Hospital, Evanston Northwestern Healthcare, and McGaw Medical Center of Northwestern University, Dr. Tosiou attended Loyola University Chicago, Stritch School of Medicine. He accepts CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna POS, in addition to other insurance carriers. New patients are welcome to contact Dr. Tosiou's office for an appointment.

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dr.-tara-n-troy-md

Specializes in Adult Gastroenterology

660 N Westmoreland Road; Suite 225
Lake Forest, IL
(847) 295-1300

(Average of 5 in 2 ratings)

Clinical interests: Colon Cancer Screening, Irritable Bowel Syndrome, Liver/Hepatic Disease, Gastroesophageal Reflux ... (Read more)

Dr. Tara Troy's area of specialization is adult gastroenterology. Her areas of expertise include colorectal cancer screening, inflammatory bowel disease, and irritable bowel syndrome (IBS). She is professionally affiliated with NorthShore University HealthSystem, Northwestern Lake Forest Hospital, and Northwestern Medical Faculty Foundation. Dr. Troy obtained her medical school training at Rush Medical College and performed her residency at the University of Chicago Medical Center. Dr. Troy takes CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna POS, in addition to other insurance carriers. Her practice is open to new patients.

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No Photo

Specializes in Adult Gastroenterology

225 N. Milwaukee Avenue; Suite 1500
Vernon Hills, IL
(847) 657-1900

(Average of 5 in 1 rating)

Clinical interests: Colorectal Cancer, Gerd, Irritable Bowel Syndrome

Dr. Monica Borkar is a gastroenterologist. She speaks French. These areas are among her clinical interests: colorectal cancer (colon cancer), irritable bowel syndrome (IBS), and acid reflux (GERD). Dr. Borkar's hospital/clinic affiliations include NorthShore University HealthSystem Medical Group and NorthShore University HealthSystem Faculty Practice Associates. After completing medical school at Northwestern University, Feinberg School of Medicine, she performed her residency at Boston Medical Center. She is an in-network provider for CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna, in addition to other insurance carriers.

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No Photo

Specializes in Adult Gastroenterology

225 N. Milwaukee Avenue; Suite 1500
Vernon Hills, IL
(847) 657-1900; (847) 941-7900

Clinical interests: Advanced Therapeutic Endoscopy, Pancreaticobiliary Disease

Dr. Shailesh Bajaj is a specialist in adult gastroenterology. He works in Highland Park, IL and Vernon Hills, IL. In addition to English, he speaks Hindi. His areas of expertise consist of pancreas problems and biliary disorders (gallbladder and bile ducts). Dr. Bajaj's hospital/clinic affiliations include NorthShore University HealthSystem Medical Group and NorthShore University HealthSystem Faculty Practice Associates. Dr. Bajaj is a graduate of S.N. Medical College, Agra and a graduate of Aurora Health Care's residency program. He is in-network for CIGNA Plans, Private Healthcare Systems (PHCS), Aetna, and more.

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dr.-nazneen-s-ahmed-md

Specializes in Adult Gastroenterology

890 Garfield Avenue; #103
Libertyville, IL
(847) 680-5858

(Average of 5 in 2 ratings)

Clinical interests: barrett's esophagus, biliary stone removal, colonoscopy, endoscopic ultrasound, esophogeal gastro ... (Read more)

Dr. Nazneen Ahmed's area of specialization is adult gastroenterology. Areas of expertise for Dr. Ahmed include colonoscopy, barrett's esophagus, and colon polyps. Dr. Ahmed accepts several insurance carriers, including CIGNA Plans, United Healthcare Plans, and Aetna POS. After completing medical school at Mymensingh Medical College and Dhaka Medical College, she performed her residency at John Stroger Hospital of Cook County. In addition to English, she speaks Hindi and Bengali. She is professionally affiliated with Advocate Condell Medical Center and Northwestern Lake Forest Hospital. Dr. Ahmed is accepting new patients.

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richard-h-sandler-md

Specializes in Pediatric Gastroenterology, Adult Hepatology

900 N. Westmoreland Road; Suite 100
Lake Forest, IL

(Average of 5 in 1 rating)

Clinical interests: Inflammatory Bowel Disease, Abdominal Pain, Irritable Bowel Syndrome, Neurological Complications - ... (Read more)

Dr. Richard Sandler's specialties are pediatric gastroenterology and adult hepatology. He practices in Chicago, IL and Lake Forest, IL. Areas of expertise for Dr. Sandler include nutritional deficiencies, inflammatory bowel disease, and abdominal pain. He is affiliated with Northwestern Lake Forest Hospital. He takes Medicare insurance. Dr. Sandler welcomes new patients. He obtained his medical school training at Michigan State University College of Human Medicine and performed his residency at a hospital affiliated with MSU College of Human Medicine. He has received the distinction of Chicago Super Doctors.

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miguel-saps-md

Specializes in Pediatric Gastroenterology

900 N. Westmoreland Road; Suite 209
Lake Forest, IL
(847) 535-8246; (847) 486-6550

Clinical interests: Pediatric Gastroenterology, Gastrointestinal Motility, Functional Gastrointestinal Disorders in ... (Read more)

Dr. Miguel Saps is a specialist in pediatric gastroenterology. He works in Chicago, IL, Lake Forest, IL, and Glenview, IL. Areas of particular interest for Dr. Saps include gastrointestinal motility and pain. He takes CIGNA Plans, Private Healthcare Systems (PHCS), and United Healthcare Plans, as well as other insurance carriers. Dr. Saps graduated from the University of the Republic Faculty of Medicine. He completed his residency training at Maimonides Medical Center. In addition to English, Dr. Saps (or staff) speaks Spanish and Hebrew. Dr. Saps's hospital/clinic affiliations include Ann & Robert H. Lurie Children's Hospital of Chicago, Northwestern Lake Forest Hospital, and Northwestern Memorial Hospital. His practice is open to new patients.

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thirumazhisai-s-gunasekaran-md,-faap

Specializes in Pediatric Gastroenterology

890 Garfield; Suite 202
Libertyville, IL
(847) 723-7700

(Average of 4 in 5 ratings)

Clinical interests: abdominal pain, constipation, dietician / nutrition counseling, gastro esophogeal reflux disease, ... (Read more)

Dr. T. Gunasekaran works as a pediatric gastroenterologist. He is rated highly by his patients. His clinical interests include crohn's disease, vomiting, and ulcerative colitis. Dr. Gunasekaran's hospital/clinic affiliations include Advocate Condell Medical Center, St. Alexius Medical Center, and Advocate Lutheran General Hospital. He honors CIGNA Plans, United Healthcare Plans, and Aetna POS, in addition to other insurance carriers. Dr. Gunasekaran attended Madras Medical College and then went on to complete his residency at Government General Hospital and a hospital affiliated with the University of British Columbia. He has received the following distinction: Chicago Super Doctors. Dr. Gunasekaran speaks Tamil.

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dr.-trevor-warren-lissoos-md

Specializes in Adult Gastroenterology

660 N Westmoreland Road; Suite 225
Lake Forest, IL
(847) 295-0013; (847) 295-1300

Clinical interests: Hepatology, Colon Cancer Screening

Dr. Trevor Lissoos is a physician who specializes in adult gastroenterology. Dr. Lissoos's areas of expertise consist of colorectal cancer screening and hepatology. His hospital/clinic affiliations include Northwestern Lake Forest Hospital, Northwestern Medical Faculty Foundation, and Northwestern University Feinberg School of Medicine. Before completing his residency at Michael Reese Hospital and The Charlotte Maxeke Johannesburg Academic Hospital, Dr. Lissoos attended medical school at the University of the Witwatersrand, Johannesburg. He is in-network for CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna POS, as well as other insurance carriers. He has received the following distinction: Chicago Super Doctors. Dr. Lissoos has an open panel.

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dr.-frank-g-martini-md

Specializes in Adult Gastroenterology

660 N Westmoreland Road; Suite 225
Lake Forest, IL
(847) 295-1300; (847) 615-2299

(Average of 5 in 2 ratings)

Clinical interests: Inflammatory Bowel Disease, Colon Cancer Screening, Gastroesophageal Reflux Disease (GERD), ... (Read more)

Dr. Frank Martini's specialty is adult gastroenterology. In his practice, he is particularly interested in colonoscopy, capsule endoscopy, and inflammatory bowel disease. CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna POS are among the insurance carriers that Dr. Martini honors. Dr. Martini is a graduate of Loyola University Chicago, Stritch School of Medicine. He trained at a hospital affiliated with Loyola University for residency. He is professionally affiliated with Northwestern Lake Forest Hospital, Northwestern Medical Faculty Foundation, and Northwestern University Feinberg School of Medicine. Dr. Martini's practice is open to new patients.

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What is Gastroenterology?

A gastroenterologist is a doctor that specializes in the normal function and diseases of the digestive tract, which includes the stomach, intestines, spleen, pancreas, and liver. As a specialty, gastroenterology is the study of how food moves through the body, how nutrients are absorbed by the body, and how waste is removed by the body. A few of the conditions that a gastroenterologist might treat are:
  • ulcerative colitis (a condition where inflammation and sores affect the lower intestine)
  • gallbladder disease (where bile stored in the gallbladder thickens and causes inflammation or gallstones)
  • gastroesophageal reflux disease, or GERD (stomach acid flows back into the throat and causes a burning sensation and tissue damage)

One unique trait that really sets gastroenterologists apart is their training and skill with endoscopy, a procedure where tiny flexible tubes are inserted into the body. These tubes are equipped with lights and cameras to provide the practitioner with a close, inside look at what is going on inside the patient’s body. Tools can even be inserted through the tubes to perform certain procedures, such as removing polyps or cancers, stretching open passageways that have narrowed, or applying lasers to stop bleeding.

Gastroenterologists do not perform surgery, but they do perform endoscopic procedures, as well as biopsies to determine if cancer is affecting the digestive tract. Although other physicians can use endoscopes, gastroenterologists devote a significant portion of their medical training and practice to endoscopy. They learn how and when to use endoscopy, the safest and most efficient methods to use, and how to interpret what they see through the endoscope.

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