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Dr. Nancy Han, MD

Fountain Valley, CA

Accepting patients

    Who is Dr. Han, Gastroenterologist in Fountain Valley, CA?

    Dr. Nancy Han, MD is a Gastroenterologist, who primarily practices in Fountain Valley, CA with 2 additional practice locations. She is board certified by the American Board of Internal Medicine. Dr. Han completed her residency at Good Samaritan Reg Med Ctr, Internal Medicine; University Hosp, Internal Medicine. Dr. Han is fluent in English and Korean, and is currently seeing new patients. Dr. Han’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Han’s office at (657) 241-9090.

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

    • Residency: Good Samaritan Reg Med Ctr, Internal Medicine; University Hosp, Internal Medicine

    • Medical School: University of Ok Coll of Med, Oklahoma City Ok

    Is Dr. Han board certified in Gastroenterologist?

    Yes, Dr. Nancy Han, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Han speak?

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

    • English

    • Korean

    What conditions does Dr. Han treat?

    As a Gastroenterologist, Dr. Han 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. Han. 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 Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Chronic gastritis
    • Long-term stomach inflammation
    • Persistent stomach lining inflammation
    • Gastritis
    • Inflamed stomach lining
    • Stomach lining inflammation

    ICD-10 Codes:

    • K2950: Unspecified chronic gastritis without bleeding
    • K2970: Gastritis, unspecified, without bleeding

    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:

    • 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:

    • Other Esophagus Condition
    • Esophagus Disorder
    • Various esophageal diseases
    • Miscellaneous esophagus problems
    • Other food pipe issues

    ICD-10 Codes:

    • K2289: Other specified disease of esophagus

    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:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

    • Stomach and Duodenum Disorder
    • Stomach Disorder
    • Gastric Conditions
    • Duodenal Conditions
    • Digestive System Disorders

    ICD-10 Codes:

    • K3189: Other diseases of stomach and duodenum

    Also known as:

    • Esophagus Inflammation
    • Esophagus Disorder
    • Esophagitis
    • Inflamed Esophagus
    • Sore Esophagus

    ICD-10 Codes:

    • K2080: Other esophagitis without bleeding

    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:

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

    ICD-10 Codes:

    • R140: Abdominal distension (gaseous)

    Also known as:

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

    ICD-10 Codes:

    • D122: Benign neoplasm of ascending colon

    Does Dr. Han accept my insurance?

    Dr. Han accepts most major insurance plans. Important: Please call our office at (657) 241-9090 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Han accept in Fountain Valley, CA?

    Dr. Han in Fountain Valley, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Shield of California

    • Centene

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Humana

    • Medicare

    • Other Health Care Provider

    • Other Provider Networks

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Han's office located?

    Dr. Nancy Han's Primary Practice

    18035 Brookhurst St Ste 2100

    Fountain Valley, CA 92708

    (657) 241-9090

    Get Directions

    Dr. Nancy Han's Practice 2

    1501 W Commonwealth Ave

    Fullerton, CA 92833

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    Dr. Nancy Han's Practice 3

    19066 Magnolia St

    Huntington Beach, CA 92646

    (714) 968-0068

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

    Dr. Han's National Provider Identifier (NPI) number is 1609055300.

    What common questions do patients ask about Dr. Han?

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

    What is Dr. Nancy Han's specialty?

    Dr. Han is a Gastroenterologist near Fountain Valley, 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. Han to book an appointment today.

    Is this Dr. Nancy Han affiliated with a ranked Castle Connolly Top Hospital?

    No, Han is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Orange Coast Medical Center, Memorialcare Long Beach Medical Center. 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 Nancy Han accepting new patients in Fountain Valley, CA?

    Yes, Dr. Nancy Han is accepting new patients at this time.

    Does Dr. Nancy Han offer online booking?

    Please contact Dr. Han's office at (657) 241-9090 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Nancy Han?

    Please contact Dr. Han's office at (657) 241-9090 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Nancy Han have?

    Dr. Nancy Han is certified by the American Board of Internal Medicine.

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