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Dr. Andrew Ong, MD

Fontana, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Ong, Diagnostic Radiologist in Fontana, CA?

    Dr. Andrew Ong, MD is a Diagnostic Radiologist, who primarily practices in Fontana, CA with 2 additional practice locations. Dr. Ong is fluent in English, and is currently seeing new patients. Dr. Ong’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ong’s office at (310) 301-6800.

    What languages does Dr. Ong speak?

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

    • English

    What conditions does Dr. Ong treat?

    As a Diagnostic Radiologist, Dr. Ong 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. Ong. 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:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0600: Dyspnea, unspecified
    • R0602: Shortness of breath

    Also known as:

    • Other Abnormal Findings on Lung Scan
    • Unusual Lung Scan Results
    • Atypical Lung Imaging
    • Nonspecific Lung Abnormality

    ICD-10 Codes:

    • R918: Other nonspecific abnormal finding of lung field

    Also known as:

    • Cough
    • Coughing
    • Persistent cough
    • Chronic cough

    ICD-10 Codes:

    • R059: Cough, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

    • Pleural Effusion
    • Pleural Disorder
    • Fluid in lungs
    • Water on the lung
    • Fluid around lungs

    ICD-10 Codes:

    • J90: Pleural effusion, not elsewhere classified

    Also known as:

    • Headache
    • Head pain
    • Cephalalgia
    • Tension headache

    ICD-10 Codes:

    • R519: Headache, unspecified

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Changes in Mental State
    • Mental Disorder
    • Confusion
    • Disorientation
    • Changes in awareness

    ICD-10 Codes:

    • R4182: Altered mental status, unspecified

    Also known as:

    • Large Intestine Diverticulosis
    • Diverticulosis and Diverticulitis
    • Diverticular Disease
    • Colon Diverticula
    • Pockets in the Colon

    ICD-10 Codes:

    • K5730: Diverticulosis of large intestine without perforation or abscess without bleeding

    Also known as:

    • Gallstones
    • Cholelithiasis
    • Gallbladder stones
    • Biliary calculi

    ICD-10 Codes:

    • K8020: Calculus of gallbladder without cholecystitis without obstruction

    Also known as:

    • Head Injury
    • Head Injuries
    • Head Trauma
    • Cranial Injury
    • Brain Injury

    ICD-10 Codes:

    • S0990XA: Unspecified injury of head, initial encounter

    Also known as:

    • Other Soft Tissue Disorder
    • Connective Tissue Disorder
    • Muscle Disorder
    • Muscle and connective tissue problems
    • Uncommon soft tissue conditions
    • Various soft tissue ailments

    ICD-10 Codes:

    • M7989: Other specified soft tissue disorders

    Also known as:

    • Localized Swelling
    • Edema
    • Localized Edema
    • Fluid Retention
    • Swelling in one area

    ICD-10 Codes:

    • R600: Localized edema

    Also known as:

    • Ischemic Stroke
    • Brain Attack
    • Cerebral Infarction
    • Brain Ischemia

    ICD-10 Codes:

    • I6389: Other cerebral infarction

    Also known as:

    • Catheter Management
    • Catheter adjustment
    • Catheter care
    • Non-vascular catheter maintenance

    ICD-10 Codes:

    • Z4682: Encounter for fitting and adjustment of non-vascular catheter

    Also known as:

    • Dizziness
    • Dizziness and Vertigo
    • Lightheadedness
    • Giddiness
    • Vertigo

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

    • Joint Replacement Aftercare
    • Hip Replacement
    • Joint Disorder
    • Knee Replacement
    • Post-joint replacement care
    • Joint surgery recovery
    • Orthopedic aftercare

    ICD-10 Codes:

    • Z471: Aftercare following joint replacement surgery

    Also known as:

    • Muscle Weakness
    • Muscle Disorder
    • Loss of strength
    • Fatigue
    • Muscle fatigue

    ICD-10 Codes:

    • R531: Weakness

    What procedures does Dr. Ong perform?

    As a Diagnostic Radiologist, Dr. Ong 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. Ong. 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:

    • Breast Lesion Localization
    • Breast Marker Placement
    • Wire Localization Breast
    • Mammographic Guided Breast Localization

    CPT Codes:

    • 19281: Placement of breast localization device(s) (eg, clip, metallic pellet, wire/needle, radioactive seeds), percutaneous; first lesion, including mammographic guidance

    Also known as:

    • Ultrasound-Guided Breast Biopsy
    • Breast Biopsy
    • Percutaneous Breast Biopsy
    • Breast Tissue Sample
    • Breast Lesion Biopsy with Clip

    CPT Codes:

    • 19083: Biopsy, breast, with placement of breast localization device(s) (eg, clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, percutaneous; first lesion, including ultrasound guidance

    Also known as:

    • Breast Lesion Localization
    • Breast clip placement
    • Wire localization for breast surgery
    • Radioactive seed placement in breast
    • Ultrasound-guided breast marker

    CPT Codes:

    • 19285: Placement of breast localization device(s) (eg, clip, metallic pellet, wire/needle, radioactive seeds), percutaneous; first lesion, including ultrasound guidance

    Also known as:

    • Breast Biopsy with Stereotactic Guidance
    • Breast Biopsy
    • Stereotactic Breast Biopsy
    • Image-Guided Breast Biopsy
    • Percutaneous Breast Biopsy
    • Breast Lesion Biopsy

    CPT Codes:

    • 19081: Biopsy, breast, with placement of breast localization device(s) (eg, clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, percutaneous; first lesion, including stereotactic guidance

    Also known as:

    • Abdominal Fluid Drainage with Imaging Guidance
    • Guided Abdominal Paracentesis
    • Ascites Drainage with Ultrasound
    • Fluid Removal from Belly

    CPT Codes:

    • 49083: Abdominal paracentesis (diagnostic or therapeutic); with imaging guidance

    Also known as:

    • Fluid Removal from Lung Area with Imaging Guidance
    • Thoracentesis
    • Pleural Fluid Aspiration
    • Lung Tap
    • Fluid Drainage from Chest

    CPT Codes:

    • 32555: Thoracentesis, needle or catheter, aspiration of the pleural space; with imaging guidance

    Does Dr. Ong accept my insurance?

    Dr. Ong accepts most major insurance plans. Important: Please call our office at (310) 301-6800 before your appointment to verify that your specific plan and network are accepted.

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

    Dr. Ong 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

    • Crown Cork and Seal Company

    • Heritage Health

    • Inland Empire

    • Kaiser Permanente

    • OptumRx

    • Scan Health Plan

    • State of Utah

    • UnitedHealthcare

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    Where is Dr. Ong's office located?

    Dr. Andrew Ong's Primary Practice

    16465 Sierra Lakes Pkwy

    Fontana, CA 92336

    (310) 301-6800

    Get Directions

    Dr. Andrew Ong's Practice 2

    999 San Bernardino Rd

    Upland, CA 91786

    Get Directions

    Dr. Andrew Ong's Practice 3

    7777 Milliken Ave

    Rancho Cucamonga, CA 91730

    Get Directions

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

    Dr. Ong's National Provider Identifier (NPI) number is 1780138289.

    What common questions do patients ask about Dr. Ong?

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

    What is Dr. Andrew Ong's specialty?

    Dr. Ong is a Diagnostic Radiologist near Fontana, CA. A radiologist is a medical doctor who specializes in using imaging technologies to diagnose, manage, and treat various medical conditions. Radiologists typically focus on Diagnostic Radiology, Interventional Radiology, or Radiation Oncology, and may also obtain certifications in a range of subspecialties, such as neuroradiology, musculoskeletal radiology, or pediatric radiology. Additionally, board certifications are available in Medical Physics, which ensures the safe and effective use of radiation in imaging and treatment. Radiologists collaborate with other healthcare professionals to interpret imaging results and help guide patient care decisions. Contact Dr. Ong to book an appointment today.

    Is this Dr. Andrew Ong affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Ong is affiliated with San Antonio Regional Hospital, Kaiser Permanente Fontana Medical Center, St. Bernardine Medical Center, Arrowhead Regional Medical Center, Kaiser Permanente Riverside Medical Center, Riverside Community Hospital 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 Diagnostic Radiologist?

    Explore Diagnostic Radiologist 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 Andrew Ong accepting new patients in Fontana, CA?

    Yes, Dr. Andrew Ong is accepting new patients at this time.

    Does Dr. Andrew Ong offer online booking?

    Please contact Dr. Ong's office at (310) 301-6800 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Andrew Ong?

    Please contact Dr. Ong's office at (310) 301-6800 for information regarding telehealth appointment availability or for scheduling assistance.

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