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Dr. Katherine Jelinek, MD

Dr. Katherine Jelinek, MD

Geneva, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Jelinek, Gastroenterologist in Geneva, IL?

    Dr. Katherine Jelinek, MD is a Gastroenterologist, who primarily practices in Geneva, IL with 1 additional practice location. She is board certified. Dr. Jelinek graduated from University of Texas Southwestern Medical School, Dallas and completed her residency at Univ Il Coll Of Med, Gastroenterology. She is a member of the Cadence Physician Group. Dr. Jelinek is fluent in English, and is currently seeing new patients. Dr. Jelinek’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Jelinek’s office.

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

    • Fellowship: University of Illinois, Chicago, IL | University of Illinois at Chicago Division of Gastroenterology and Hepatology | University of Illinois At Chicago / College of Medicine

    • Residency: Univ Il Coll Of Med, Gastroenterology | University of Illinois At Chicago / College of Medicine

    • Medical School: University of Texas Southwestern Medical School, Dallas

    Is Dr. Jelinek board certified as a Gastroenterologist?

    Yes, Dr. Katherine Jelinek, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Jelinek speak?

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

    • English

    What conditions does Dr. Jelinek treat?

    As a Gastroenterologist, Dr. Jelinek 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. Jelinek. 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:

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

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps
    • Z860100: Personal history of colon polyps, unspecified

    Also known as:

    • Acid Reflux
    • GERD with Esophagitis
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Eosinophilic Esophagitis
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion
    • Reflux Esophagitis
    • Acid Reflux Esophagus Inflammation
    • Heartburn with Esophagus Damage

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis
    • K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding

    Also known as:

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

    ICD-10 Codes:

    • K2950: Unspecified chronic gastritis without bleeding

    Also known as:

    • Functional Diarrhea
    • Diarrhea
    • Chronic Diarrhea
    • Persistent Diarrhea
    • Diarrhea without clear cause

    ICD-10 Codes:

    • K591: Functional diarrhea

    What procedures does Dr. Jelinek perform?

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

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 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)
    • 45382: Colonoscopy, flexible; with control of bleeding, any method

    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:

    • EGD with Esophageal Balloon Dilation
    • Colonoscopy with Injections
    • Diagnostic Upper Endoscopy with Biopsy
    • Upper Endoscopy with Varices Banding
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • EGD with Band Ligation
    • Esophageal Varices Banding
    • Gastric Varices Treatment

    CPT Codes:

    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
    • 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 43244: Esophagogastroduodenoscopy, flexible, transoral; with band ligation of esophageal/gastric varices

    Also known as:

    • Upper Endoscopy with Polyp Removal
    • Upper Endoscopy with Tumor Ablation
    • EGD with Polypectomy
    • Esophagus, Stomach, Duodenum Scope with Removal
    • Flexible Endoscopy Tumor Excision
    • EGD with Ablation
    • Esophagus, Stomach, Duodenum Scope with Ablation
    • Flexible Endoscopy Lesion Treatment

    CPT Codes:

    • 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 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)

    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:

    • Inhalation Breathing Treatment
    • Nebulizer Treatment
    • Aerosol Treatment
    • IPPB Treatment
    • Airway Obstruction Treatment

    CPT Codes:

    • 94640: Pressurized or nonpressurized inhalation treatment for acute airway obstruction for therapeutic purposes and/or for diagnostic purposes such as sputum induction with an aerosol generator, nebulizer, metered dose inhaler or intermittent positive pressure breathing (IPPB) device

    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

    Does Dr. Jelinek accept my insurance?

    Dr. Jelinek accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Jelinek accept in Geneva, IL?

    Dr. Jelinek in Geneva, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Advocate Health Care

    • All Other Third Party

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Humana

    • Medicare

    • State of Nevada

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Jelinek's office located?

    Dr. Katherine Jelinek's Primary Practice

    302 Randall Rd

    Geneva, IL 60134

    Get Directions

    Dr. Katherine Jelinek's Practice 2

    444 N Park Blvd

    Glen Ellyn, IL 60137

    Get Directions

    Recognitions

    Memberships & Associations

    Cadence Physician Group

    Member

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

    Dr. Jelinek's National Provider Identifier (NPI) number is 1750468591.

    What common questions do patients ask about Dr. Jelinek?

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

    What is Dr. Katherine Jelinek's specialty?

    Dr. Jelinek is a Gastroenterologist near Geneva, 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. Jelinek to book an appointment today.

    Is this Dr. Katherine Jelinek affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Jelinek is affiliated with Northwestern Memorial Hospital, Northwestern Medicine Delnor Hospital, Northwestern Medicine Kishwaukee Hospital, Northwestern Medicine Palos Hospital, Northwestern Medicine McHenry Hospital, Northwestern Medicine Lake Forest Hospital which are a Castle Connolly Top Hospitals. 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 Katherine Jelinek accepting new patients in Geneva, IL?

    Yes, Dr. Katherine Jelinek is accepting new patients at this time.

    Does Dr. Katherine Jelinek offer online booking?

    Please contact Dr. Jelinek's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Katherine Jelinek?

    Please contact Dr. Jelinek's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Katherine Jelinek have?

    Dr. Katherine Jelinek is certified by the American Board of Internal Medicine.

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