WC
23 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Chang, Pulmonologist in San Juan Capistrano, CA?
Dr. William Chang, DO is a Pulmonologist, who primarily practices in San Juan Capistrano, CA with 2 additional practice locations. He has been practicing for over 23 years. Dr. Chang is fluent in English and Chinese, and is currently seeing new patients. Dr. Chang’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (714) 571-5000.
What languages does Dr. Chang speak?
Dr. Chang and their clinical team can communicate with patients in the following languages:
Chinese
English
What conditions does Dr. Chang treat?
As a Pulmonologist, 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.
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)
Also known as:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
- R0600: Dyspnea, unspecified
- R0609: Other forms of dyspnea
Also known as:
- Single Lung Nodule
- Other Abnormal Findings on Lung Scan
- Lung Disease
- Lung Spot
- Pulmonary Nodule
- Spot on Lung Scan
- Unusual Lung Scan Results
- Atypical Lung Imaging
- Nonspecific Lung Abnormality
ICD-10 Codes:
- R911: Solitary pulmonary nodule
- R918: Other nonspecific abnormal finding of lung field
Also known as:
- Asthma
- Reactive Airway Disease
- Bronchial Asthma
- Allergic Asthma
- Asthma Disorder
ICD-10 Codes:
- J45909: Unspecified asthma, uncomplicated
- J45998: Other asthma
Also known as:
- COPD
- COPD Flare-Up
- Chronic Obstructive Pulmonary Disease
- Chronic Lung Disease
- Emphysema and Chronic Bronchitis
- COPD Exacerbation
- Chronic Obstructive Pulmonary Disease Flare-Up
- Worsening COPD
- COPD Attack
ICD-10 Codes:
- J449: Chronic obstructive pulmonary disease, unspecified
- J4489: Other specified chronic obstructive pulmonary disease
- J441: Chronic obstructive pulmonary disease with (acute) exacerbation
Also known as:
- Snoring
- Loud breathing during sleep
- Noisy sleep
- Obstructive snoring
ICD-10 Codes:
- R0683: Snoring
Also known as:
- Cough
- Coughing
- Persistent cough
- Chronic cough
ICD-10 Codes:
- R059: Cough, unspecified
Also known as:
- Chronic Cough
- Cough
- Persistent cough
- Long-lasting cough
- Ongoing cough
ICD-10 Codes:
- R053: Chronic cough
Also known as:
- Bronchiectasis
- Bronchial Disorder
- Damaged Airways
- Chronic Bronchial Dilation
- Lung Airway Damage
ICD-10 Codes:
- J479: Bronchiectasis, uncomplicated
Also known as:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
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:
- Emphysema
- Pulmonary Emphysema
- Lung Emphysema
- Chronic Obstructive Lung Disease
ICD-10 Codes:
- J439: Emphysema, unspecified
Also known as:
- Allergic Rhinitis
- Allergy
- Nasal allergies
- Allergy rhinitis
- Chronic runny nose
ICD-10 Codes:
- J309: Allergic rhinitis, unspecified
Also known as:
- Bronchitis
- Bronchial Disorder
- Chest cold
- Inflammation of bronchial tubes
- Acute bronchitis
ICD-10 Codes:
- J40: Bronchitis, not specified as acute or chronic
Which procedures does Dr. Chang perform as a Pulmonologist?
As a Pulmonologist, procedures performed by Dr. William Chang may include:
- Bronchoscopy
- Endobronchial Ultrasound (EBUS)
- Interventional Bronchoscopy
- Intrathoracic Adenopathy
- Lung Cancer Screening
- Lung Cancer Staging
- Lung Surgery Consultation
- Mechanical Ventilation
For detailed information, please contact Dr. Chang's office.
Does Dr. Chang accept my insurance?
Dr. Chang accepts most major insurance plans. Important: Please call our office at (714) 571-5000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chang accept in San Juan Capistrano, CA?
Dr. Chang in San Juan Capistrano, 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
CalOptima
Centene
Crown Cork and Seal Company
Humana
Medicare
Monarch HealthCare
Other Health Care Provider
St. Joseph Health System (CA)
UnitedHealthcare
View All Insurances
Where is Dr. Chang's office located?
Dr. William Chang's Primary Practice
30230 Rancho Viejo Rd Ste 200
San Juan Capistrano, CA 92675
(714) 571-5000
What is Dr. Chang's NPI number?An 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 1417902149.
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 Pulmonologist near San Juan Capistrano, CA. An internist specializing in the treatment of lung and airway diseases. The pulmonologist diagnoses and manages conditions such as cancer, pneumonia, pleurisy, asthma, occupational and environmental illnesses, bronchitis, sleep disorders, emphysema, and other complex lung disorders. Contact Dr. Chang to book an appointment today.
Is this Dr. William Chang affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Chang is affiliated with Providence Mission Hospital Mission Viejo, Hoag Hospital Newport Beach, Kaiser Permanente Orange County - Anaheim Medical Center, Huntington Hospital (Pasadena, CA) 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 Pulmonologist?
Explore Pulmonologist 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 William Chang accepting new patients in San Juan Capistrano, 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 (714) 571-5000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Chang?
Please contact Dr. Chang's office at (714) 571-5000 for information regarding telehealth appointment availability or for scheduling assistance.
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