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Dr. Jon Walker, MD

Dublin, OH

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Walker, Gastroenterologist in Dublin, OH?

    Dr. Jon Walker, MD is a Gastroenterologist, who primarily practices in Dublin, OH with 2 additional practice locations. He is board certified. Dr. Walker is fluent in English, and is currently seeing new patients. Dr. Walker’s practice accepts Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Walker’s office at (614) 754-5500.

    What are Areas of Expertise for Dr. Walker?

    Dr. Jon Walker, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Walker empowers patients to confidently navigate their health journey, specializing in Endoscopy, Pancreatic & Biliary Disease, or comprehensive wellness support. Serving the Dublin/OH community, Dr. Walker is dedicated to enhancing lives through expert, patient-centered care.

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

    • Medical School: University of Cincinnati Coll of Medicine

    What languages does Dr. Walker speak?

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

    • English

    What conditions does Dr. Walker treat?

    As a Gastroenterologist, Dr. Walker 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. Walker. 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:

    • Benign Transverse Colon Polyp
    • Benign Ascending Colon Polyp
    • Benign Cecum Polyp
    • Benign Tumor
    • Colonic Polyps
    • Colon Polyps
    • Non-cancerous transverse colon growth
    • Transverse colon adenoma
    • Transverse colon benign tumor
    • Non-cancerous ascending colon growth
    • Ascending colon adenoma
    • Ascending colon benign tumor
    • Non-cancerous cecum growth
    • Cecal adenoma
    • Cecum benign tumor

    ICD-10 Codes:

    • D123: Benign neoplasm of transverse colon
    • D122: Benign neoplasm of ascending colon
    • D120: Benign neoplasm of cecum

    Also known as:

    • Follow-up After Treatment (Non-Cancer)
    • Post-Treatment Check-up
    • Aftercare Visit
    • Recovery Monitoring Exam

    ICD-10 Codes:

    • Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

    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:

    • Non-Infectious Gastroenteritis and Colitis
    • Colon Polyps
    • Digestive Disease
    • Colonic Polyps
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps

    ICD-10 Codes:

    • K529: Noninfective gastroenteritis and colitis, unspecified
    • Z86010: Personal history of colon polyps

    Also known as:

    • Dark, Tarry Stools (Melena)
    • Gastrointestinal Bleeding
    • Melena
    • Black Stools
    • Upper GI Bleed Signs

    ICD-10 Codes:

    • K921: Melena

    Also known as:

    • Change in Bowel Habits
    • Bowel Movement
    • Altered Bowel Habits
    • Irregular Bowel Movements
    • Changes in Pooping

    ICD-10 Codes:

    • R194: Change in bowel habit

    Also known as:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1013: Epigastric pain

    Also known as:

    • Other Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Swallowing problems

    ICD-10 Codes:

    • R1319: Other dysphagia

    Also known as:

    • Iron Deficiency Anemia from Chronic Blood Loss
    • Anemia
    • Iron
    • Anemia due to iron deficiency and blood loss
    • Chronic blood loss anemia
    • Low iron anemia from bleeding

    ICD-10 Codes:

    • D500: Iron deficiency anemia secondary to blood loss (chronic)

    Also known as:

    • Abdominal Bloating
    • Gas
    • Gas in the Digestive Tract
    • Bloated Stomach
    • Swollen Belly
    • Gaseous Distension

    ICD-10 Codes:

    • R140: Abdominal distension (gaseous)

    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:

    • Barrett's Esophagus
    • Esophagus Disorder
    • Barrett’s Esophagus
    • Barrett's condition
    • Esophageal metaplasia

    ICD-10 Codes:

    • K2270: Barrett's esophagus without dysplasia

    Also known as:

    • Diarrhea
    • Loose stools
    • Runny poop
    • Frequent bowel movements

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Ulcerative Pancolitis
    • Ulcerative Colitis
    • Chronic Pancolitis
    • Extensive Ulcerative Colitis
    • Inflammatory Bowel Disease (IBD)

    ICD-10 Codes:

    • K5100: Ulcerative (chronic) pancolitis without complications

    Also known as:

    • Pancreatic Cyst
    • Pancreatic Disease
    • Cyst on Pancreas
    • Pancreatic Pseudocyst
    • Fluid Sac on Pancreas

    ICD-10 Codes:

    • K862: Cyst of pancreas

    Does Dr. Walker accept my insurance?

    Dr. Walker accepts most major insurance plans. Important: Please call our office at (614) 754-5500 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Walker accept in Dublin, OH?

    Dr. Walker in Dublin, OH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Humana

    • Medical Mutual

    • Medicare

    • Mutual of Omaha

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Walker's office located?

    Dr. Jon Walker's Primary Practice

    6670 Perimeter Dr Ste 200

    Dublin, OH 43016

    (614) 754-5500

    Get Directions

    Dr. Jon Walker's Practice 2

    3595 Olentangy River Rd

    Columbus, OH 43214

    Get Directions

    Dr. Jon Walker's Practice 3

    500 London Ave

    Marysville, OH 43040

    Get Directions

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

    Dr. Walker's National Provider Identifier (NPI) number is 1588716237.

    What common questions do patients ask about Dr. Walker?

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

    What is Dr. Jon Walker's specialty?

    Dr. Walker is a Gastroenterologist near Dublin, OH. 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. Walker to book an appointment today.

    Is this Dr. Jon Walker affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Walker is affiliated with OhioHealth Dublin Methodist Hospital, OhioHealth Riverside Methodist 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 Jon Walker accepting new patients in Dublin, OH?

    Yes, Dr. Jon Walker is accepting new patients at this time.

    Does Dr. Jon Walker offer online booking?

    Please contact Dr. Walker's office at (614) 754-5500 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jon Walker?

    Please contact Dr. Walker's office at (614) 754-5500 for information regarding telehealth appointment availability or for scheduling assistance.

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