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Dr. Mun-Wah Ng, MD

Fontana, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Ng, Pediatric Gastroenterologist in Fontana, CA?

    Dr. Mun-Wah Ng, MD is a Pediatric Gastroenterologist, who primarily practices in Fontana, CA with 1 additional practice location. He is board certified by the American Board of Pediatrics. Dr. Ng is fluent in English and Chinese, and is currently seeing new patients. Dr. Ng’s practice accepts Kaiser Permanente, Medicaid, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ng’s office at (909) 427-5000.

    Is Dr. Ng board certified in Pediatric Gastroenterologist?

    Yes, Dr. Mun-Wah Ng, MD is board certified by the American Board of Pediatrics

    What languages does Dr. Ng speak?

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

    • Chinese

    • English

    What conditions does Dr. Ng treat?

    As a Pediatric Gastroenterologist, Dr. Ng 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. Ng. 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:

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

    ICD-10 Codes:

    • R6339: Other feeding difficulties

    Also known as:

    • Other Specific Healthcare Encounters
    • Repeat Prescription Visit
    • Special Medical Visits
    • Unusual Doctor Appointments
    • Healthcare for Unique Situations
    • Prescription Refill Appointment
    • Medication Renewal Visit
    • Follow-up for Prescription

    ICD-10 Codes:

    • Z7689: Persons encountering health services in other specified circumstances
    • Z760: Encounter for issue of repeat prescription

    Also known as:

    • Abdominal Pain
    • Upper Middle Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain
    • R1013: Epigastric pain

    Also known as:

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

    ICD-10 Codes:

    • K5900: Constipation, unspecified
    • K5909: Other constipation

    Also known as:

    • Vomiting
    • Nausea and Vomiting
    • Throwing up
    • Emesis
    • Puking
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R1110: Vomiting, unspecified
    • R112: Nausea with vomiting, unspecified

    Also known as:

    • Non-Infectious Gastroenteritis and Colitis
    • Digestive Disease
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

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

    ICD-10 Codes:

    • Z931: Gastrostomy status

    Also known as:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    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:

    • Crohn's Disease
    • Crohn’s Disease
    • Regional Enteritis
    • Inflammatory Bowel Disease (IBD)
    • Terminal Ileitis

    ICD-10 Codes:

    • K5090: Crohn's disease, unspecified, without complications

    Also known as:

    • Complete Bowel Incontinence
    • Bowel Incontinence
    • Full fecal incontinence
    • Total loss of bowel control
    • Severe accidental bowel leakage

    ICD-10 Codes:

    • R159: Full incontinence of feces

    Also known as:

    • Spastic Quadriplegic Cerebral Palsy
    • Cerebral Palsy
    • Paralysis
    • Quadriplegic CP
    • Spastic CP affecting all limbs
    • Four-limb spastic paralysis

    ICD-10 Codes:

    • G800: Spastic quadriplegic cerebral palsy

    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:

    • Unexplained Weight Loss
    • Involuntary Weight Loss
    • Significant Weight Loss
    • Unintentional Weight Loss

    ICD-10 Codes:

    • R634: Abnormal weight loss

    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:

    • High Liver Enzymes
    • ALT Blood Test
    • AST Test
    • Elevated ALT
    • Elevated AST
    • Abnormal liver function test

    ICD-10 Codes:

    • R7401: Elevation of levels of liver transaminase levels

    Does Dr. Ng accept my insurance?

    Dr. Ng accepts most major insurance plans. Important: Please call our office at (909) 427-5000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ng accept in Fontana, CA?

    Dr. Ng in Fontana, 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

    • Contra Costa

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Inland Empire

    • Inland Faculty Medical Group, Inc

    • State of California

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Ng's office located?

    Dr. Mun-Wah Ng's Primary Practice

    9961 Sierra Ave # 22

    Fontana, CA 92335

    (909) 427-5000

    Get Directions

    Dr. Mun-Wah Ng's Practice 2

    250 E Caroline St Ste J

    Sn Bernrdno, CA 92408

    Get Directions

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

    Dr. Ng's National Provider Identifier (NPI) number is 1679740047.

    What common questions do patients ask about Dr. Ng?

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

    What is Dr. Mun-Wah Ng's specialty?

    Dr. Ng is a Pediatric Gastroenterologist near Fontana, 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. Ng to book an appointment today.

    Is this Dr. Mun-Wah Ng affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Ng is affiliated with Kaiser Permanente Fontana 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

    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 Mun-Wah Ng accepting new patients in Fontana, CA?

    Yes, Dr. Mun-Wah Ng is accepting new patients at this time.

    Does Dr. Mun-Wah Ng offer online booking?

    Please contact Dr. Ng's office at (909) 427-5000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mun-Wah Ng?

    Please contact Dr. Ng's office at (909) 427-5000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mun-Wah Ng have?

    Dr. Mun-Wah Ng is certified by the American Board of Pediatrics.

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