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Dr. Katherine Hahn, MD

Beverly Hills, CA

Accepting patients

    Who is Dr. Hahn, Gastroenterologist in Beverly Hills, CA?

    Dr. Katherine Hahn, MD is a Gastroenterologist, who primarily practices in Beverly Hills, CA with 2 additional practice locations. Dr. Hahn graduated from Northwestern University The Feinberg School of Medicine. Dr. Hahn is fluent in English and Korean, and is currently seeing new patients. Dr. Hahn’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hahn’s office at (301) 593-2002.

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

    • Medical School: Northwestern University The Feinberg School of Medicine

    What languages does Dr. Hahn speak?

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

    • English

    • Korean

    What conditions does Dr. Hahn treat?

    As a Gastroenterologist, Dr. Hahn 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. Hahn. 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
    • Bowel polyps
    • Intestinal polyps

    ICD-10 Codes:

    • K635: Polyp of colon

    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:

    • Other Intestinal Condition
    • Colonic Disease
    • Small Intestine Disorder
    • Bowel Conditions
    • Gut Problems
    • Digestive Issues

    ICD-10 Codes:

    • K6389: Other specified diseases of intestine

    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:

    • 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

    Also known as:

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

    ICD-10 Codes:

    • R1013: Epigastric pain

    What procedures does Dr. Hahn perform?

    As a Gastroenterologist, Dr. Hahn 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. Hahn. 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:

    • 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)

    Does Dr. Hahn accept my insurance?

    Dr. Hahn accepts most major insurance plans. Important: Please call our office at (301) 593-2002 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hahn accept in Beverly Hills, CA?

    Dr. Hahn in Beverly Hills, 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

    • Cedars-Sinai Medical Center

    • Centene

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Healthcare Advantage

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Hahn's office located?

    Dr. Katherine Hahn's Primary Practice

    8536 Wilshire Blvd # 302

    Beverly Hills, CA 90211

    (301) 593-2002

    Get Directions

    Dr. Katherine Hahn's Practice 2

    12400 Wilshire Blvd

    Los Angeles, CA 90025

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    Dr. Katherine Hahn's Practice 3

    2021 K St NW Ste 500

    Washington, DC 20006

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

    Dr. Hahn's National Provider Identifier (NPI) number is 1457697211.

    What common questions do patients ask about Dr. Hahn?

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

    What is Dr. Katherine Hahn's specialty?

    Dr. Hahn is a Gastroenterologist near Beverly 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. Hahn to book an appointment today.

    Is this Dr. Katherine Hahn affiliated with a ranked Castle Connolly Top Hospital?

    No, Hahn is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Captain James A. Lovell Federal Health Care 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 Katherine Hahn accepting new patients in Beverly Hills, CA?

    Yes, Dr. Katherine Hahn is accepting new patients at this time.

    Does Dr. Katherine Hahn offer online booking?

    Please contact Dr. Hahn's office at (301) 593-2002 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Katherine Hahn?

    Please contact Dr. Hahn's office at (301) 593-2002 for information regarding telehealth appointment availability or for scheduling assistance.

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