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Dr. Frederick Watanabe, MD

Pediatric Gastroenterologist, Gastroenterologist

Los Angeles, CA

30 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Watanabe, Pediatric Gastroenterologist in Los Angeles, CA?

    Dr. Frederick Watanabe, MD is a Pediatric Gastroenterologist, who primarily practices in Los Angeles, CA. He has been practicing for over 30 years. Dr. Watanabe completed his residency at Chas R Drew Univ Med & Sci, Pediatrics; La Co Harbor Ucla Med Ctr, Pediatrics. Dr. Watanabe is fluent in English, and is currently seeing new patients. Dr. Watanabe’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Watanabe’s office at (323) 783-4011.

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

    • Residency: Chas R Drew Univ Med & Sci, Pediatrics; La Co Harbor Ucla Med Ctr, Pediatrics

    • Medical School: Oh State Univ Coll of Med, Columbus Oh

    What languages does Dr. Watanabe speak?

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

    • English

    What conditions does a Pediatric Gastroenterologist like Dr. Watanabe typically treat?

    As a Pediatric Gastroenterologist, Dr. Watanabe 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. Watanabe. 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.

    Also known as:

    • Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    Also known as:

    • Other Feeding Difficulties
    • Atypical Feeding Problems
    • Unusual Eating Issues
    • Specific Feeding Challenges

    ICD-10 Codes:

    • R6339: Other feeding difficulties

    Also known as:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

    • Liver Transplant
    • Liver Transplantation
    • Hepatic Transplant
    • Liver Graft
    • New Liver

    ICD-10 Codes:

    • Z944: Liver transplant status

    Also known as:

    • Eating Disorder
    • Disordered eating
    • Food-related mental health issues
    • Feeding disorders

    ICD-10 Codes:

    • F509: Eating disorder, unspecified

    Also known as:

    • Gastrostomy
    • Ostomy
    • Feeding Tube Opening
    • Stomach Stoma
    • G-tube

    ICD-10 Codes:

    • Z931: Gastrostomy status

    Also known as:

    • Irritable Bowel Syndrome with Constipation
    • Irritable Bowel Syndrome
    • Irritable Bowel Syndrome (IBS)
    • IBS-C
    • Constipation-Predominant IBS
    • Spastic Colon with Constipation

    ICD-10 Codes:

    • K581: Irritable bowel syndrome with constipation

    Also known as:

    • Ulcerative Pancolitis
    • Ulcerative Colitis
    • Chronic Pancolitis
    • Extensive Ulcerative Colitis
    • Inflammatory Bowel Disease (IBD)

    ICD-10 Codes:

    • K5100: Ulcerative (chronic) pancolitis without complications

    Also known as:

    • Failure to Thrive in Children
    • Growth Disorder
    • Poor growth in children
    • Childhood growth problems
    • Infant growth failure

    ICD-10 Codes:

    • R6251: Failure to thrive (child)

    What procedures does a Pediatric Gastroenterologist like Dr. Watanabe typically perform?

    As a Pediatric Gastroenterologist, Dr. Watanabe 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. Watanabe. 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.

    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

    Does Dr. Watanabe accept my insurance?

    Dr. Watanabe accepts most major insurance plans. Important: Please call our office at (323) 783-4011 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Watanabe accept in Los Angeles, CA?

    Dr. Watanabe in Los Angeles, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Accountable Health Care IPA

    • All Other Commercial

    • Centene Corporation

    • City of Los Angeles

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Federal government of the United States

    • Kaiser Permanente

    • Other Provider Networks

    • University of California

    View All Insurances

    Where is Dr. Watanabe's office located?

    Dr. Frederick Watanabe's Primary Practice

    4733 W Sunset Blvd

    Los Angeles, CA 90027

    (323) 783-4011

    Get Directions

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

    Dr. Watanabe's National Provider Identifier (NPI) number is 1750452702.

    What common questions do patients ask about Dr. Watanabe?

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

    What is Dr. Frederick Watanabe's specialty?

    Dr. Watanabe is a Pediatric Gastroenterologist near Los Angeles, CA.

    What does a Pediatric Gastroenterologist do?

    A pediatrician specializing in diagnosing and treating digestive system diseases in infants, children, and adolescents. This expert manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice and is skilled in performing complex diagnostic and therapeutic procedures using endoscopic techniques to visualize internal organs.

    Is Dr. Frederick Watanabe affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Watanabe is affiliated with Kaiser Permanente Los Angeles Medical Center, Kaiser Permanente West Los Angeles Medical Center, Kaiser Permanente Orange County - Anaheim Medical Center, Kaiser Permanente Fontana Medical Center, Kaiser Permanente Panorama City Medical Center, Kaiser Permanente Riverside Medical Center which are a Castle Connolly Top Hospitals. 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 Pediatric Gastroenterologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Pediatric 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 Dr. Frederick Watanabe accepting new patients in Los Angeles, CA?

    Yes, Dr. Frederick Watanabe is accepting new patients at this time.

    Does Dr. Frederick Watanabe offer online booking?

    Please contact Dr. Watanabe's office at (323) 783-4011 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Frederick Watanabe?

    Please contact Dr. Watanabe's office at (323) 783-4011 to schedule an appointment.

    Where is Dr. Watanabe's office located?

    Dr. Watanabe's office is located in Los Angeles, CA.