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Dr. Nancy Han, MD

Fountain Valley, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

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

    Dr. Nancy Han, MD is a Gastroenterologist, who primarily practices in Fountain Valley, CA with 1 additional practice location. She is board certified. 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, Medicare 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 as a 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 a Gastroenterologist like Dr. Han typically 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. Learn more about our claims-based healthcare methodology here.

    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:

    • Z860100: Personal history of colon polyps, unspecified
    • Z86010: Personal history of colon polyps

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

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

    As a Gastroenterologist, Dr. Han performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Colonoscopy with Injections
    • EGD with Esophageal Balloon Dilation
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening

    CPT Codes:

    • 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)

    Also known as:

    • Wireless Esophageal pH Test
    • Esophageal pH Test
    • Bravo pH Test
    • Esophageal Reflux Monitoring
    • Acid Reflux Test

    CPT Codes:

    • 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation

    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 Corporation

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Humana

    • Medicare

    • Other Health Care Provider

    • UnitedHealth Group

    • Unknown

    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

    19066 Magnolia St

    Huntington Beach, CA 92646

    Get Directions

    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.

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

    Yes, Dr. Han is affiliated with Uci Medical Center 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 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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