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Dr. John Ahn, DO

Dr. John Ahn, DO

Safety Harbor, FL

31 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Ahn, Gastroenterologist in Safety Harbor, FL?

    Dr. John Ahn, DO is a Gastroenterologist, who primarily practices in Safety Harbor, FL. He has been practicing for over 31 years and is board certified by the American Board of Internal Medicine. Dr. Ahn graduated from New York College Of Osteopathic Medicine and completed his residency at Long Island Jewish Med Ctr, Gastroenterology; Long Island Jewish Med Ctr, Internal Medicine. Dr. Ahn is fluent in English and Korean, and is currently seeing new patients. Dr. Ahn’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ahn’s office at (727) 796-4166.

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

    • Residency: Long Island Jewish Med Ctr, Gastroenterology; Long Island Jewish Med Ctr, Internal Medicine | Long Island Jewish Med Center

    • Medical School: Ny Coll Of Osteo Med Of Ny Inst Of Tech- Old Westbury Ny | New York College Of Osteopathic Medicine | New York College Of Osteopathic Medicine | New York Institute of Technology College of Osteopathic Medicine

    Is Dr. Ahn board certified in Gastroenterologist?

    Yes, Dr. John Ahn, DO is board certified by the American Board of Internal Medicine

    What languages does Dr. Ahn speak?

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

    • English

    • Korean

    What conditions does Dr. Ahn treat?

    As a Gastroenterologist, Dr. Ahn 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. Ahn. 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:

    • 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:

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

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps

    Also known as:

    • Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Painful swallowing

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • History of Adenomatous and Serrated Colon Polyps
    • Past Colon Polyps
    • Previous Adenomas
    • History of Precancerous Colon Growths

    ICD-10 Codes:

    • Z860101: Personal history of adenomatous and serrated colon polyps

    Also known as:

    • Upper Middle Abdominal Pain
    • Widespread Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain
    • General stomach pain
    • Overall belly pain
    • Diffuse abdominal pain

    ICD-10 Codes:

    • R1013: Epigastric pain
    • R1084: Generalized abdominal pain

    Also known as:

    • Change in Bowel Habits
    • Abnormal Bowel Movements
    • Bowel Movement
    • Altered Bowel Habits
    • Irregular Bowel Movements
    • Changes in Pooping
    • Unusual stool
    • Changes in poop
    • Fecal changes

    ICD-10 Codes:

    • R194: Change in bowel habit
    • R195: Other fecal abnormalities

    Also known as:

    • Constipation
    • Slow Transit Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools
    • Chronic Constipation
    • Sluggish Bowel
    • Colonic Inertia

    ICD-10 Codes:

    • K5900: Constipation, unspecified
    • K5901: Slow transit constipation

    Also known as:

    • Rectal Bleeding
    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • Anal Bleeding
    • Blood in Stool
    • Lower GI Bleed

    ICD-10 Codes:

    • K625: Hemorrhage of anus and rectum

    Also known as:

    • Family History of Digestive Organ Cancer
    • Cancer
    • Family History
    • Genetic risk for gastrointestinal cancer
    • Family history of GI cancer
    • Hereditary digestive cancer

    ICD-10 Codes:

    • Z800: Family history of malignant neoplasm of digestive organs

    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:

    • Diverticulosis
    • Diverticulosis and Diverticulitis
    • Diverticular Disease
    • Intestinal Diverticula
    • Pouches in Intestine

    ICD-10 Codes:

    • K5790: Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding

    Also known as:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia

    ICD-10 Codes:

    • D509: Iron deficiency anemia, unspecified

    Also known as:

    • Irritable Bowel Syndrome with Diarrhea
    • Irritable Bowel Syndrome
    • Irritable Bowel Syndrome (IBS)
    • IBS-D
    • Diarrhea-Predominant IBS
    • Spastic Colon with Diarrhea

    ICD-10 Codes:

    • K580: Irritable bowel syndrome with diarrhea

    Does Dr. Ahn accept my insurance?

    Dr. Ahn accepts most major insurance plans. Important: Please call our office at (727) 796-4166 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ahn accept in Safety Harbor, FL?

    Dr. Ahn in Safety Harbor, FL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • BayCare Health System

    • Centene

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Florida Blue / Guidewell

    • Humana

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Ahn's office located?

    Dr. John Ahn's Primary Practice

    1840 Mease Dr Ste 305

    Safety Harbor, FL 34695

    (727) 796-4166

    Get Directions

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

    Dr. Ahn's National Provider Identifier (NPI) number is 1598790701.

    What common questions do patients ask about Dr. Ahn?

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

    What is Dr. John Ahn's specialty?

    Dr. Ahn is a Gastroenterologist near Safety Harbor, FL. 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. Ahn to book an appointment today.

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

    Yes, Dr. Ahn is affiliated with Mease Countryside Hospital 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 Ahn accepting new patients in Safety Harbor, FL?

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

    Does Dr. John Ahn offer online booking?

    Please contact Dr. Ahn's office at (727) 796-4166 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Ahn?

    Please contact Dr. Ahn's office at (727) 796-4166 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Ahn have?

    Dr. John Ahn is certified by the American Board of Internal Medicine.

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