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Dr. Andrew Ko, MD

Dr. Andrew Ko, MD

Laguna Hills, CA

Accepting patients

    Who is Dr. Ko, Gastroenterologist in Laguna Hills, CA?

    Dr. Andrew Ko, MD is a Gastroenterologist, who primarily practices in Laguna Hills, CA with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Ko completed his residency at Univ Ca Irvine Med Ctr, Gastroenterology. He is a member of the MemorialCare Physician Society. Dr. Ko is fluent in English, Chinese, French, and Korean, and is currently seeing new patients. Dr. Ko’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ko’s office at (949) 364-9660.

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

    • Residency: Univ Ca Irvine Med Ctr, Gastroenterology | University of California, Irvine Affiliated Hospitals

    Is Dr. Ko board certified in Gastroenterologist?

    Yes, Dr. Andrew Ko, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Ko speak?

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

    • Chinese

    • English

    • French

    • Korean

    What conditions does Dr. Ko treat?

    As a Gastroenterologist, Dr. Ko 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. Ko. 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:

    • Diaphragmatic Hernia
    • Hernia
    • Hiatal Hernia
    • Hernia of the Diaphragm

    ICD-10 Codes:

    • K449: Diaphragmatic hernia without obstruction or gangrene

    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 Atrophic Gastritis
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Long-term Wasting Gastritis
    • Persistent Stomach Lining Thinning
    • Chronic Atrophy of Stomach

    ICD-10 Codes:

    • K2940: Chronic atrophic gastritis without bleeding

    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 or Duodenum Polyp
    • Stomach and Duodenum Disorder
    • Stomach Disorder
    • Gastric Polyp
    • Duodenal Polyp
    • Stomach Growth
    • Gastric Conditions
    • Duodenal Conditions
    • Digestive System Disorders

    ICD-10 Codes:

    • K317: Polyp of stomach and duodenum
    • K3189: Other diseases of stomach and duodenum

    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

    Also known as:

    • Benign Ascending Colon Polyp
    • Benign Sigmoid Colon Polyp
    • Benign Tumor
    • Colonic Polyps
    • Colon Polyps
    • Non-cancerous ascending colon growth
    • Ascending colon adenoma
    • Ascending colon benign tumor
    • Non-cancerous sigmoid colon growth
    • Sigmoid colon adenoma
    • Sigmoid colon benign tumor

    ICD-10 Codes:

    • D122: Benign neoplasm of ascending colon
    • D125: Benign neoplasm of sigmoid colon

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    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:

    • Second Degree Hemorrhoids
    • Hemorrhoids
    • Internal hemorrhoids that prolapse
    • Grade 2 hemorrhoids
    • Moderate hemorrhoids

    ICD-10 Codes:

    • K641: Second degree hemorrhoids

    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:

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

    ICD-10 Codes:

    • R1013: Epigastric pain

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Pectoral pain

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Other Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Other gastritis types
    • Various stomach inflammations
    • Uncommon gastritis

    ICD-10 Codes:

    • K2960: Other gastritis without bleeding

    Also known as:

    • Mixed High Cholesterol and Triglycerides
    • Cholesterol
    • Triglycerides
    • Mixed hyperlipidemia
    • Combined hyperlipidemia
    • High lipids

    ICD-10 Codes:

    • E782: Mixed hyperlipidemia

    Also known as:

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

    ICD-10 Codes:

    • R1319: Other dysphagia

    Does Dr. Ko accept my insurance?

    Dr. Ko accepts most major insurance plans. Important: Please call our office at (949) 364-9660 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ko accept in Laguna Hills, CA?

    Dr. Ko in Laguna Hills, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Alignment Health Plan

    • CalOptima

    • Cambia (Regence)

    • Centene

    • CVS Health (formerly Aetna)

    • Humana

    • Medicaid

    • Medicare

    • State of Washington

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Ko's office located?

    Dr. Andrew Ko's Primary Practice

    25401 Cabot Rd Ste 101

    Laguna Hills, CA 92653

    (949) 364-9660

    Get Directions

    Dr. Andrew Ko's Practice 2

    11100 Warner Ave Ste 216

    Fountain Valley, CA 92708

    (714) 545-7311

    Get Directions

    Dr. Andrew Ko's Practice 3

    17822 Beach Blvd Ste 301

    Huntington Beach, CA 92647

    Get Directions

    Recognitions

    Memberships & Associations

    MemorialCare Physician Society

    Member

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

    Dr. Ko's National Provider Identifier (NPI) number is 1437170990.

    What common questions do patients ask about Dr. Ko?

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

    What is Dr. Andrew Ko's specialty?

    Dr. Ko is a Gastroenterologist near Laguna Hills, CA. 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. Ko to book an appointment today.

    Is this Dr. Andrew Ko affiliated with a ranked Castle Connolly Top Hospital?

    No, Ko is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 Andrew Ko accepting new patients in Laguna Hills, CA?

    Yes, Dr. Andrew Ko is accepting new patients at this time.

    Does Dr. Andrew Ko offer online booking?

    Please contact Dr. Ko's office at (949) 364-9660 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Andrew Ko?

    Please contact Dr. Ko's office at (949) 364-9660 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Andrew Ko have?

    Dr. Andrew Ko is certified by the American Board of Internal Medicine.

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