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Dr. Oliver Gilliam, MD

Gastroenterology*
3.7 (29)
Map Pin Small South Bend, IN
Accepting new patients
42 years of experience

Overview of Dr. Oliver Gilliam, MD

Dr. Oliver Gilliam, MD is a Gastroenterology Specialist in South Bend, IN. They specialize in Gastroenterology, has 42 years of experience, and is board certified in Gastroenterology. They graduated from LOUISIANA STATE UNIVERSITY / ALEXANDRIA CAMPUS and is affiliated with Saint Joseph Regional Medical Center, Saint Joseph Health System-Plymouth Medical Center and Memorial Hospital of South Bend. Patients rated Dr. Gilliam an average 3.7 star rating.

Dr. Gilliam works at Practice in South Bend, IN with other offices in Plymouth, IN. They frequently treat conditions like Intestinal Diverticulosis and Inflammatory Bowel Disease along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Anthem and Anthem Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Gilliam's Office Locations

  1. 1
    Michiana Gastroenterology Inc.
    17501 Generations Dr, South Bend, IN 46635 Icon Directions Right Arrow Directions Phone Icon (574) 271-0893
  2. 2
    Office
    1919 Lake Ave Ste 107, Plymouth, IN 46563 Icon Directions Right Arrow Directions Phone Icon (574) 780-8602
  3. 3
    Mg Anesthesia LLC
    53830 Generations Dr, South Bend, IN 46635 Icon Directions Right Arrow Directions Phone Icon (574) 234-0049
  4. 4
    Plymouth Medical Center
    1915 Lake Ave, Plymouth, IN 46563 Icon Directions Right Arrow Directions Phone Icon (574) 948-4000

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Saint Joseph Regional Medical Center
  • Saint Joseph Health System-Plymouth Medical Center
  • Memorial Hospital of South Bend

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Intestinal Diverticulosis
Inflammatory Bowel Disease
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Intestinal Diverticulosis
Inflammatory Bowel Disease

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Intestinal Diverticulosis
Inflammatory Bowel Disease
Diarrhea
  • View other providers who treat Diarrhea
Colorectal Polyp
Crohn's Disease
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Abdominal Pain
Anemia
  • View other providers who treat Anemia
Celiac Disease
Chronic Gastritis
Cirrhosis
Constipation
Diaphragmatic and Hiatal Hernia
Diffuse Esophageal Spasm
Duodenitis
Dysphagia
Enteritis
Esophageal Motility Disorders
Esophageal Varices
Esophagitis
Gallstones
Gas-Bloat Syndrome
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroparesis
Gastroptosis
Hemorrhoids
Intestinal Obstruction
Intestinal Ulcer
Irritable Bowel Syndrome
Liver Damage from Alcohol
Nausea
  • View other providers who treat Nausea
Noninfectious Gastroenteritis and Colitis
Reflux Esophagitis
Ulcerative Colitis
Vomiting Disorders
Duodenal Polypectomy
Endoscopy (Esophagus, Stomach, Small Intestine)
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Acute Gastritis
Alcoholic Cirrhosis
Anal or Rectal Pain
Ascites
  • View other providers who treat Ascites
Barrett's Esophagus
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Biliary Cirrhosis
Congenital Achalasia
Congenital Anomaly Intestine
Dehydration
Duodenal Ulcer
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Esophageal Ulcer
Familial Adenomatous Polyposis
Food Allergy
Gastric Ulcer
Heartburn
Hepatitis B - Immune Response
Hepatitis C
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Hiatal Hernia with Obstruction
Ileus
  • View other providers who treat Ileus
Indigestion
Intestinal Diverticulitis
Intestinal Fistula
Intestinal Prolapse
Ischemic Colitis
Mallory-Weiss Syndrome
Malnutrition
Megacolon
Neoplasm of Gastrointestinal Tract
Non-Alcoholic Fatty Liver Disease
Pancreatitis
Peptic Ulcer
Pouchitis
Primary Biliary Cholangitis
Proctoptosis
Pyloric Stenosis
Pylorospasm
Rectal Prolapse
Rectal Ulcer
Retroperitoneum Cancer
Stomal Ulcer
Unexplained Weight Loss
Upper Digestive Tract Cancer
Viral Hepatitis
Visceroptosis
Vitamin_Deficiency
Colon Cancer Screening
Colorectal Cancer Screening
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing
Check your insurance
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    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Anthem
    • Anthem Blue Cross Blue Shield
    • Blue Cross Blue Shield
    • Blue Cross Blue Shield of Michigan
    • Cigna
    • Encore Health Network
    • First Health
    • Humana
    • Sagamore Health Network
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    3.7
    Average provider rating
    Based on 29 ratings
    Patient Ratings (29)
    5 Star
    (18)
    4 Star
    (1)
    3 Star
    (2)
    2 Star
    (0)
    1 Star
    (8)
    Leave a review

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    Dr. Gilliam's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Gilliam

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. Oliver Gilliam, MD

    Specialties*
    • Gastroenterology

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 42 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English, Spanish
    Languages Spoken
    NPI Number
    • 1497759765
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Medical Education
    • LOUISIANA STATE UNIVERSITY / ALEXANDRIA CAMPUS
    Medical Education
    Board Certifications
    • Gastroenterology and Internal Medicine
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. Oliver Gilliam, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Gilliam is offering online scheduling or call the provider’s office for more information.

    Dr. Gilliam has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Gilliam has seen patients for Intestinal Diverticulosis and Inflammatory Bowel Disease, and more. You can see other conditions treated by Dr. Gilliam on their profile. Please call the provider’s office to confirm all visit reasons.

    29 patients have reviewed Dr. Gilliam. The overall rating for this provider is 3.7. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Gilliam.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Gilliam, there are benefits to both methods. A person calling to schedule an with Dr. Gilliam appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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