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Dr. John Karagiannis, MD

Dr. John Karagiannis, MD

Elkhart, IN

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Karagiannis, Gastroenterologist in Elkhart, IN?

    Dr. John Karagiannis, MD is a Gastroenterologist, who primarily practices in Elkhart, IN. He is board certified. Dr. Karagiannis graduated from Loyola University Chicago Stritch School of Medicine and completed his residency at Loyola Univ Med Ctr, Internal Medicine. Dr. Karagiannis is fluent in English and Greek, Modern (1453-), and is currently seeing new patients. Dr. Karagiannis’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Karagiannis’s office at (574) 296-3341.

    Where did Dr. Karagiannis go to medical school and complete their residency?

    • Residency: Loyola Univ Med Ctr, Internal Medicine | Loyola University Med Center | Loyola University Medical Center Program

    • Medical School: Loyola Univ of Chicago Stritch Sch of Med, Maywood Il | Loyola University Chicago Stritch School of Medicine

    What languages does Dr. Karagiannis speak?

    Dr. Karagiannis and their clinical team can communicate with patients in the following languages:

    • English

    • Greek, Modern (1453-)

    What conditions does Dr. Karagiannis treat?

    As a Gastroenterologist, Dr. Karagiannis 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. Karagiannis. 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:

    • Stomach Inflammation
    • Chronic Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Gastritis
    • Inflamed stomach lining
    • Stomach lining inflammation
    • Chronic gastritis
    • Long-term stomach inflammation
    • Persistent stomach lining inflammation

    ICD-10 Codes:

    • K2970: Gastritis, unspecified, without bleeding
    • K2950: Unspecified chronic gastritis without bleeding

    Also known as:

    • Pre-Procedure Heart Examination
    • Pre-Surgery Cardiac Checkup
    • Heart Health Assessment (Before Procedure)
    • Cardiovascular Clearance Exam

    ICD-10 Codes:

    • Z01810: Encounter for preprocedural cardiovascular examination

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal polyps
    • Bowel polyps
    • Intestinal polyps

    ICD-10 Codes:

    • K635: Polyp 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:

    • 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 Dr. Karagiannis perform?

    As a Gastroenterologist, Dr. Karagiannis 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. Karagiannis. 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
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening

    CPT Codes:

    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 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

    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
    • 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

    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)

    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

    Does Dr. Karagiannis accept my insurance?

    Dr. Karagiannis accepts most major insurance plans. Important: Please call our office at (574) 296-3341 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Karagiannis accept in Elkhart, IN?

    Dr. Karagiannis in Elkhart, IN accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross and Blue Shield of Nebraska

    • CVS Health (formerly Aetna)

    • Department of Veterans Affairs

    • Elevance Health Inc. (formerly Anthem)

    • Gordon Food Service

    • Group Administrators Ltd

    • Humana

    • Medicare

    • OptumRx

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Karagiannis' office located?

    Dr. John Karagiannis' Primary Practice

    303 S Nappanee St

    Elkhart, IN 46514

    (574) 296-3341

    Get Directions

    What is Dr. Karagiannis's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Karagiannis's National Provider Identifier (NPI) number is 1386647170.

    What common questions do patients ask about Dr. Karagiannis?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Karagiannis

    What is Dr. John Karagiannis's specialty?

    Dr. Karagiannis is a Gastroenterologist near Elkhart, IN. 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. Karagiannis to book an appointment today.

    Is this Dr. John Karagiannis affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Karagiannis is affiliated with Loyola University Medical Center which is a Castle Connolly Top Hospital. 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

    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 John Karagiannis accepting new patients in Elkhart, IN?

    Yes, Dr. John Karagiannis is accepting new patients at this time.

    Does Dr. John Karagiannis offer online booking?

    Please contact Dr. Karagiannis's office at (574) 296-3341 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Karagiannis?

    Please contact Dr. Karagiannis's office at (574) 296-3341 for information regarding telehealth appointment availability or for scheduling assistance.

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