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Dr. Frederick Johlin, MD

Iowa City, IA

39 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Johlin, Gastroenterologist in Iowa City, IA?

    Dr. Frederick Johlin, MD is a Gastroenterologist, who primarily practices in Iowa City, IA with 2 additional practice locations. He has been practicing for over 39 years. Dr. Johlin graduated from The University of Toledo College of Medicine and completed his residency at University of Iowa Hospital & Clinics. Dr. Johlin is fluent in English, and is currently seeing new patients. Dr. Johlin’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Johlin’s office at (319) 356-1616.

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

    • Residency: University of Iowa Hospital & Clinics

    • Medical School: University of Toledo College of Medicine | The University of Toledo College of Medicine

    What languages does Dr. Johlin speak?

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

    • English

    What conditions does a Gastroenterologist like Dr. Johlin typically treat?

    As a Gastroenterologist, Dr. Johlin 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. Johlin. 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. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Other specified liver Disease
    • Liver Disease
    • Uncommon liver conditions
    • Rare liver diseases
    • Specific liver disorders

    ICD-10 Codes:

    • K7689: Other specified diseases of liver

    Also known as:

    • Blocked Bile Duct
    • Bile Duct Disease
    • Biliary Obstruction
    • Bile Duct Blockage
    • Obstructed Bile Duct

    ICD-10 Codes:

    • K831: Obstruction of bile duct

    Also known as:

    • Other Specific Pancreatic Disease
    • Pancreatic Disease
    • Miscellaneous Pancreas Disorders
    • Named Pancreatic Conditions
    • Other Defined Pancreas Problems

    ICD-10 Codes:

    • K8689: Other specified diseases of pancreas

    What procedures does a Gastroenterologist like Dr. Johlin typically perform?

    As a Gastroenterologist, procedures performed by Dr. Frederick Johlin may include:

    Please contact Dr. Johlin's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Johlin accept my insurance?

    Dr. Johlin accepts most major insurance plans. Important: Please call our office at (319) 356-1616 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Johlin accept in Iowa City, IA?

    Dr. Johlin in Iowa City, IA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Centene

    • Centene Corporation

    • Medicare

    • Mutual of Omaha

    • Unknown

    View All Insurances

    Where is Dr. Johlin's office located?

    Dr. Frederick Johlin's Primary Practice

    200 Hawkins Dr

    Iowa City, IA 52242

    (319) 356-1616

    Get Directions

    Dr. Frederick Johlin's Practice 2

    105 E 9th St

    Coralville, IA 52241

    Get Directions

    Dr. Frederick Johlin's Practice 3

    500 E Market St

    Iowa City, IA 52245

    Get Directions

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

    Dr. Johlin's National Provider Identifier (NPI) number is 1821085960.

    What common questions do patients ask about Dr. Johlin?

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

    What is Dr. Frederick Johlin's specialty?

    Dr. Johlin is a Gastroenterologist near Iowa City, IA.

    What does a Gastroenterologist do?

    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.

    Is this Dr. Frederick Johlin affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Johlin is affiliated with University Of Iowa Hospitals And Clinics 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

    When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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 Frederick Johlin accepting new patients in Iowa City, IA?

    Yes, Dr. Frederick Johlin is accepting new patients at this time.

    Does Dr. Frederick Johlin offer online booking?

    Please contact Dr. Johlin's office at (319) 356-1616 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Frederick Johlin?

    Please contact Dr. Johlin's office at (319) 356-1616 for information regarding telehealth appointment availability or for scheduling assistance.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>