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Dr. Frederick Watanabe, MD

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 and is board certified. 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, UnitedHealthcare 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 Dr. Watanabe 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.

    Also known as:

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

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    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:

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

    ICD-10 Codes:

    • Z944: Liver transplant status

    Also known as:

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

    ICD-10 Codes:

    • Z931: Gastrostomy 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:

    • Dark, Tarry Stools (Melena)
    • Rectal Bleeding
    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • Melena
    • Black Stools
    • Upper GI Bleed Signs
    • Anal Bleeding
    • Blood in Stool
    • Lower GI Bleed

    ICD-10 Codes:

    • K921: Melena
    • K625: Hemorrhage of anus and rectum

    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:

    • 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)

    Also known as:

    • Vomiting
    • Nausea and Vomiting
    • Throwing up
    • Emesis
    • Puking

    ICD-10 Codes:

    • R1110: Vomiting, unspecified

    Also known as:

    • Biliary Atresia
    • Bile Duct Disease
    • Birth Defects
    • Blocked Bile Ducts at Birth
    • Congenital Bile Duct Blockage
    • Bile Duct Atresia

    ICD-10 Codes:

    • Q442: Atresia of bile ducts

    Also known as:

    • Unexplained Weight Gain
    • Sudden weight gain
    • Rapid weight increase
    • Abnormal increase in weight

    ICD-10 Codes:

    • R635: Abnormal weight gain

    Also known as:

    • Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Painful swallowing

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Chronic Hepatitis
    • Hepatitis
    • Long-term liver inflammation
    • Persistent hepatitis
    • Chronic liver infection

    ICD-10 Codes:

    • K738: Other chronic hepatitis, not elsewhere classified

    Also known as:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    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

    Also known as:

    • Eosinophilic Esophagitis
    • EoE
    • Allergic Esophagitis
    • Eosinophilic Inflammation of Esophagus

    ICD-10 Codes:

    • K200: Eosinophilic esophagitis

    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:

    • Repeat Prescription Visit
    • Prescription Refill Appointment
    • Medication Renewal Visit
    • Follow-up for Prescription

    ICD-10 Codes:

    • Z760: Encounter for issue of repeat prescription

    Which procedures does Dr. Watanabe perform as a Pediatric Gastroenterologist?

    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

    • All Other Third Party

    • City of Los Angeles

    • Contra Costa

    • Elevance Health Inc. (formerly Anthem)

    • FamilyCare Health Plans

    • Kaiser Permanente

    • Other Provider Networks

    • Preferred IPA

    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?An 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. 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. Contact Dr. Watanabe to book an appointment today.

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

    Yes, Dr. Watanabe is affiliated with Kaiser Permanente West Los Angeles Medical Center, Kaiser Permanente Fontana 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

    Where can I learn more about Pediatric Gastroenterologist?

    Explore Pediatric 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 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 Frederick Watanabe?

    Please contact Dr. Watanabe's office at (323) 783-4011 for information regarding telehealth appointment availability or for scheduling assistance.

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