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Dr. William Chang, MD

Critical Care Internist, Pulmonologist

Monterey Park, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Chang, Critical Care Internist in Monterey Park, CA?

    Dr. William Chang, MD is a Critical Care Internist, who primarily practices in Monterey Park, CA. Dr. Chang is fluent in English, Chinese, and Spanish, and is currently seeing new patients. Dr. Chang’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (626) 280-4393.

    What languages does Dr. Chang speak?

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

    • Chinese
    • English
    • Spanish

    What conditions does a Critical Care Internist like Dr. Chang typically treat?

    As a Critical Care Internist, Dr. Chang 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. Chang. 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:

    • 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:

    • Acute Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia

    Also known as:

    • Severe Asthma Attack (Status Asthmaticus)
    • Asthma
    • Asthma Emergency
    • Prolonged Asthma Attack
    • Status Asthmaticus

    ICD-10 Codes:

    • J4552: Severe persistent asthma with status asthmaticus

    Also known as:

    • Obstructive Sleep Apnea
    • Sleep Apnea
    • Obstructive sleep apnea
    • OSA
    • Blocked airway during sleep
    • Snoring and gasping during sleep

    ICD-10 Codes:

    • G4733: Obstructive sleep apnea (adult) (pediatric)

    What procedures does a Critical Care Internist like Dr. Chang typically perform?

    As a Critical Care Internist, Dr. Chang 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. Chang. 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:

    • Lung Biopsy with Bronchoscopy
    • Lung Biopsy with Bronchoscopy and Ultrasound
    • Bronchoscopy with Ultrasound-Guided Biopsy
    • Biopsy
    • Bronchoscopy and Bronchoalveolar Lavage (BAL)
    • Fluoroscopy
    • Transbronchial Biopsy
    • Bronchoscopic Lung Biopsy
    • Lung Tissue Sample via Scope
    • EBUS Bronchoscopy
    • Endobronchial Ultrasound Biopsy
    • Lung Lymph Node Biopsy

    CPT Codes:

    • 31628: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with transbronchial lung biopsy(s), single lobe
    • 31652: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with endobronchial ultrasound (EBUS) guided transtracheal and/or transbronchial sampling (eg, aspiration[s]/biopsy[ies]), one or two mediastinal and/or hilar lymph node stations or structures
    • 31653: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with endobronchial ultrasound (EBUS) guided transtracheal and/or transbronchial sampling (eg, aspiration[s]/biopsy[ies]), 3 or more mediastinal and/or hilar lymph node stations or structures

    Also known as:

    • Bronchoscopy with Lung Wash (BAL)
    • Bronchoscopy with Lung Biopsy
    • Bronchoscopy and Bronchoalveolar Lavage (BAL)
    • Fluoroscopy
    • Biopsy
    • Bronchial lavage
    • BAL procedure
    • Lung washing
    • Flexible bronchoscopy
    • Transbronchial Needle Biopsy
    • Lung Biopsy via Bronchoscope
    • Airway Examination with Biopsy

    CPT Codes:

    • 31624: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with bronchial alveolar lavage
    • 31629: Bronchoscopy, rigid or flexible, including fluoroscopic guidance, when performed; with transbronchial needle aspiration biopsy(s), trachea, main stem and/or lobar bronchus(i)

    Also known as:

    • Chest Physical Therapy for Lungs
    • Chest Wall Manipulation
    • Percussion and Vibration Therapy (Lungs)
    • Airway Clearance Therapy
    • Cupping for Lung Function

    CPT Codes:

    • 94667: Manipulation chest wall, such as cupping, percussing, and vibration to facilitate lung function; initial demonstration and/or evaluation

    Also known as:

    • Inhaler or Nebulizer Training
    • Aerosol Device Instruction
    • MDI Training
    • Breathing Treatment Education

    CPT Codes:

    • 94664: Demonstration and/or evaluation of patient utilization of an aerosol generator, nebulizer, metered dose inhaler or IPPB device

    Also known as:

    • Chest Wall Manipulation for Lung Function
    • Chest Physiotherapy
    • Cupping for Lungs
    • Percussion and Vibration Therapy

    CPT Codes:

    • 94668: Manipulation chest wall, such as cupping, percussing, and vibration to facilitate lung function; subsequent

    Does Dr. Chang accept my insurance?

    Dr. Chang accepts most major insurance plans. Important: Please call our office at (626) 280-4393 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Chang accept in Monterey Park, CA?

    Dr. Chang in Monterey Park, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Commercial

    • Centene Corporation

    • City of Los Angeles

    • Clever Care Health Plan

    • Medicare

    • Molina Healthcare

    • OptumRx Administered Payer

    • Preferred IPA

    • State of California

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Chang's office located?

    Dr. William Chang's Primary Practice

    500 N Garfield Ave Ste 204

    Monterey Park, CA 91754

    (626) 280-4393

    Get Directions

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

    Dr. Chang's National Provider Identifier (NPI) number is 1003236688.

    What common questions do patients ask about Dr. Chang?

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

    What is Dr. William Chang's specialty?

    Dr. Chang is a Critical Care Internist near Monterey Park, CA.

    What does a Critical Care Internist do?

    An internist specializing in the diagnosis, treatment, and support of patients with multiple organ dysfunction. This specialist may hold administrative responsibilities within intensive care units and plays a key role in facilitating and coordinating patient care among primary physicians, critical care staff, and other specialists.

    Is Dr. William Chang affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Chang is affiliated with Alhambra Hospital Medical Center, San Gabriel Valley Medical Center, Adventist Health White Memorial, Usc Arcadia Hospital, Huntington Hospital (pasadena, Ca), Dignity Health - California Hospital 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 Critical Care Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Critical Care Internist. 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. William Chang accepting new patients in Monterey Park, CA?

    Yes, Dr. William Chang is accepting new patients at this time.

    Does Dr. William Chang offer online booking?

    Please contact Dr. Chang's office at (626) 280-4393 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. William Chang?

    Please contact Dr. Chang's office at (626) 280-4393 to schedule an appointment.

    Where is Dr. Chang's office located?

    Dr. Chang's office is located in Monterey Park, CA.