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1 . resultDr. Mark David Blitstein MD
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 is an adult gastroenterologist. These areas are among his clinical interests: colonoscopy, capsule endoscopy, and inflammatory bowel disease. Dr. Blitstein honors CIGNA Plans, Private Healthcare Systems (PHCS), Viant, and more. He attended Loyola University Chicago, Stritch School of Medicine and subsequently trained at McGaw Medical Center of Northwestern University for residency. He has received professional recognition including the following: Castle Connolly Best Doctors. In addition to English, Dr. Blitstein speaks Spanish. His hospital/clinic affiliations include NorthShore University HealthSystem, Advocate Condell Medical Center, and Northwestern Lake Forest Hospital. Dr. Blitstein has an open panel.

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2 . resultDr. Robert Allen Hadesman MD
dr.-robert-allen-hadesman-md

Specializes in Adult Gastroenterology

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

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

Dr. Robert Hadesman is a specialist in adult gastroenterology. He works in Libertyville, IL. He attended medical school at Washington University in St. Louis School of Medicine. For his residency, Dr. Hadesman trained at Northwestern Memorial Hospital. He has a special interest in colonoscopy, colon polyps, and hemorrhoids. He honors CIGNA Plans, United Healthcare Plans, Aetna POS, and more. Dr. Hadesman has received the distinction of Chicago Super Doctors. He is professionally affiliated with Loyola University Medical Center, NorthShore University HealthSystem, and Advocate Condell Medical Center.

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3 . resultDr. Philip Nana Adjei MD
dr.-philip-nana-adjei-md

Specializes in Adult Gastroenterology

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

(rated 1 in 1 rating)

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

Dr. Philip Adjei's medical specialty is adult gastroenterology. Areas of expertise for Dr. Adjei include colonoscopy, hemorrhoids, and colon polyps. He is professionally affiliated with Advocate Condell Medical Center and Northwestern Lake Forest Hospital. CIGNA Plans, United Healthcare Plans, and Aetna POS are among the insurance carriers that Dr. Adjei honors. He is open to new patients. Before completing his residency at Howard University Hospital and Mayo Clinic, Dr. Adjei attended medical school at the University of Ghana Medical School.

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4 . resultShailesh Bajaj MD
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's medical specialty is adult gastroenterology. He obtained his medical school training at S.N. Medical College, Agra and performed his residency at Aurora Health Care. He is especially interested in pancreas problems and biliary disorders (gallbladder and bile ducts). Dr. Bajaj accepts several insurance carriers, including CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna. Dr. Bajaj is conversant in Hindi. His professional affiliations include NorthShore University HealthSystem Medical Group and NorthShore University HealthSystem Faculty Practice Associates.

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5 . resultDr. Tara N Troy MD
dr.-tara-n-troy-md

Specializes in Adult Gastroenterology

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

(rated an 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. These areas are among Dr. Troy's clinical interests: colorectal cancer screening, inflammatory bowel disease, and irritable bowel syndrome (IBS). Her hospital/clinic affiliations include NorthShore University HealthSystem, Advocate Condell Medical Center, and The University of Chicago Medical Center. She accepts CIGNA Plans, Private Healthcare Systems (PHCS), and Viant, as well as other insurance carriers. Dr. Troy is open to new patients. She graduated from Rush Medical College. She trained at the University of Chicago Medical Center for residency.

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6 . resultDr. John Wanyama Matseshe MD
dr.-john-wanyama-matseshe-md

Specializes in Adult Gastroenterology

890 Garfield Avenue; Suite 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's medical specialty is adult gastroenterology. Areas of expertise for Dr. Matseshe include colonoscopy, crohn's disease, and colon polyps. Dr. Matseshe's professional affiliations include Advocate Condell Medical Center and Northwestern Lake Forest Hospital. He attended Makerere University College of Health Sciences for medical school and subsequently trained at Northwestern Memorial Hospital for residency. He takes several insurance carriers, including CIGNA Plans, United Healthcare Plans, and Aetna POS. Dr. Matseshe is accepting new patients.

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7 . resultRichard H Sandler MD
richard-h-sandler-md

Specializes in Pediatric Gastroenterology, Adult Hepatology

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

(rated 5 in 1 rating)

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

Dr. Richard Sandler's areas of specialization are pediatric gastroenterology and adult hepatology; he sees patients in Chicago, IL and Lake Forest, IL. He is especially interested in inflammatory bowel disease, abdominal pain, and irritable bowel syndrome (IBS). Dr. Sandler is affiliated with Northwestern Lake Forest Hospital. He is an in-network provider for Medicare insurance. Dr. Sandler is open to new patients. His education and training includes medical school at Michigan State University College of Human Medicine and residency at a hospital affiliated with MSU College of Human Medicine. He has received the following distinction: Chicago Super Doctors.

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8 . resultMiguel Saps MD
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 physician who specializes in pediatric gastroenterology. His areas of expertise consist of gastrointestinal motility and pain. Dr. Saps honors several insurance carriers, including CIGNA Plans, Private Healthcare Systems (PHCS), and United Healthcare Plans. He studied medicine at the University of the Republic Faculty of Medicine. For his residency, Dr. Saps trained at Maimonides Medical Center. Dr. Saps (or staff) speaks the following languages: Spanish and Hebrew. He is professionally affiliated with Ann & Robert H. Lurie Children's Hospital of Chicago, Northwestern Lake Forest Hospital, and Northwestern Memorial Hospital. He is open to new patients.

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9 . resultDr. Nazneen S Ahmed MD
dr.-nazneen-s-ahmed-md

Specializes in Adult Gastroenterology

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

(rated an average of 5 in 2 ratings)

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

Dr. Nazneen Ahmed, who practices in Libertyville, IL, is a medical specialist in adult gastroenterology. These areas are among her clinical interests: colonoscopy, barrett's esophagus, and colon polyps. Dr. Ahmed takes CIGNA Plans, United Healthcare Plans, Aetna POS, and more. She is a graduate of Mymensingh Medical College and Dhaka Medical College. She trained at John Stroger Hospital of Cook County for residency. She is conversant in Hindi and Bengali. Dr. Ahmed's hospital/clinic affiliations include Advocate Condell Medical Center and Northwestern Lake Forest Hospital. She welcomes new patients.

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10 . resultThirumazhisai S Gunasekaran MD, FAAP
thirumazhisai-s-gunasekaran-md,-faap

Specializes in Pediatric Gastroenterology

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

(rated an average of 4 in 5 ratings)

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

Dr. Thirumazhisai Gunasekaran is a physician who specializes in pediatric gastroenterology. His areas of expertise include vomiting, inflammatory bowel disease, and constipation. Dr. Gunasekaran is rated 4.0 stars out of 5 by his patients. He is an in-network provider for several insurance carriers, including CIGNA Plans, United Healthcare Plans, and Aetna POS. Before completing his residency at Government General Hospital and a hospital affiliated with the University of British Columbia, Dr. Gunasekaran attended medical school at Madras Medical College. He has received the distinction of Chicago Super Doctors. In addition to English, he speaks Tamil. He is affiliated with Advocate Condell Medical Center, St. Alexius Medical Center, and Advocate Lutheran General Hospital.

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11 . resultDr. Arkan I Alrashid MD
dr.-arkan-i-alrashid-md

Specializes in Adult Gastroenterology

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

(rated 5 in 1 rating)

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

Dr. Arkan Alrashid is a Libertyville, IL physician who specializes in adult gastroenterology. Dr. Alrashid is conversant in Arabic. He has a special interest in liver biopsy. He is affiliated with Advocate Condell Medical Center. He graduated from Al-Mustansiriya College of Medicine. Dr. Alrashid completed his residency training at Chicago Medical School. He accepts CIGNA Plans, Private Healthcare Systems (PHCS), and United Healthcare Plans, in addition to other insurance carriers.

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12 . resultDr. Monica S Borkar MD
No Photo

Specializes in Adult Gastroenterology

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

(rated 5 in 1 rating)

Clinical interests: Colorectal Cancer, Gerd, Irritable Bowel Syndrome

Dr. Monica Borkar's specialty is adult gastroenterology. She graduated from Northwestern University, Feinberg School of Medicine. For her residency, Dr. Borkar trained at Boston Medical Center. Dr. Borkar's areas of clinical interest consist of colorectal cancer (colon cancer), irritable bowel syndrome (IBS), and acid reflux (GERD). Dr. Borkar accepts CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna, in addition to other insurance carriers. She is conversant in French. She is affiliated with Advocate Condell Medical Center, NorthShore University HealthSystem Medical Group, and NorthShore University HealthSystem Faculty Practice Associates.

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13 . resultDr. Alexander Steve Tosiou MD
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. Alex Tosiou is an adult gastroenterology specialist in Lake Forest, IL, Chicago, IL, and Grayslake, IL. His areas of expertise consist of colonoscopy, capsule endoscopy, and inflammatory bowel disease. Dr. Tosiou is affiliated with Advocate Condell Medical Center, The University of Chicago Medical Center, and Associates in Gastroenterology & Liver Disease. After attending Loyola University Chicago, Stritch School of Medicine, he completed his residency training at Evanston Hospital, Evanston Northwestern Healthcare, and McGaw Medical Center of Northwestern University. Dr. Tosiou honors CIGNA Plans, Private Healthcare Systems (PHCS), and Viant, in addition to other insurance carriers. He has an open panel.

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14 . resultDr. Ben Jeffery Dolin MD
dr.-ben-jeffery-dolin-md

Specializes in Adult Gastroenterology

227 Arrowwood Drive
Northbrook, IL
(847) 382-4410; (815) 344-8585

(rated an average of 4 in 3 ratings)

Dr. Ben Dolin is an adult gastroenterology specialist in Barrington, IL, McHenry, IL, and Northbrook, IL. Dr. Dolin has received a 4.0 out of 5 star rating by his patients. His education and training includes medical school at the University of Illinois College of Medicine at Chicago and residency at a hospital affiliated with Indiana University. He is affiliated with Advocate Health Care and Memorial Hospital.

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15 . resultDr. Trevor Warren Lissoos MD
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' area of specialization is adult gastroenterology. Dr. Lissoos attended medical school at the University of the Witwatersrand, Johannesburg. He completed his residency training at Michael Reese Hospital and The Charlotte Maxeke Johannesburg Academic Hospital. Clinical interests for Dr. Lissoos include colorectal cancer screening and hepatology. He takes CIGNA Plans, Private Healthcare Systems (PHCS), Viant, and more. Distinctions awarded to Dr. Lissoos include: Chicago Super Doctors and Fellow, American College of Physicians. Dr. Lissoos's professional affiliations include Advocate Condell Medical Center, Associates in Gastroenterology & Liver Disease, and Northwestern Lake Forest Hospital. He is accepting new patients.

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16 . resultDr. David Ari Labowitz DO
dr.-david-ari-labowitz-do

Specializes in Adult Gastroenterology

225 N. Milwaukee Avenue; Suite 1500
Vernon Hills, IL
(847) 696-3176; (847) 657-1900

Clinical interests: Inflammatory Bowel Disease, Irritable Bowel Syndrome, Gastroesophageal Reflux

Dr. David Labowitz is a gastroenterologist in Park Ridge, IL, Vernon Hills, IL, and Gurnee, IL. In his practice, he is particularly interested in inflammatory bowel disease, irritable bowel syndrome (IBS), and acid reflux (GERD). Dr. Labowitz's professional affiliations include Presence Holy Family Medical Center, Advocate Lutheran General Hospital, and NorthShore University HealthSystem Medical Group. He honors CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna, in addition to other insurance carriers. He attended New York College of Osteopathic Medicine for medical school and subsequently trained at Beth Israel Medical Center for residency.

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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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