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Dr. William Chang, DO
Pulmonology* Age 53
Dr. William Chang, DO

Offers telehealth

Dr. William Chang, DO is a Pulmonology Specialist in San Juan Capistrano, CA.
Dr. William Chang, DO

Dr. William Chang, DO

Pulmonology* Age 53
San Juan Capistrano, CA
Accepting new patients
26 years of experience

Offers telehealth

Dr. William Chang, DO is a Pulmonology Specialist in San Juan Capistrano, CA.
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About Dr. William Chang, DO

Dr. Chang graduated from MI STATE University College OF OSTEO MED. Dr. William Chang, DO is a Pulmonology Specialist in San Juan Capistrano, CA and has 26 years experience. Dr. Chang has experience treating conditions like Shortness of Breath, Impairments of Consciousness, Pneumonia, Acute Bronchitis, Bronchitis, Acute Lower Respiratory Infection, Acute Respiratory Infection, Long COVID Disorder, Bronchiolitis, Sleep Apnea, Asthma, Acute Bronchiolitis and Pulmonary Embolism among other conditions at varying frequencies. Dr. Chang's office accepts new patients and telehealth appointments. Dr. Chang also speaks Chinese and Mandarin. Dr. Chang is board certified in Critical Care Medicine and accepts multiple insurance plans.

Experience Check

Enter a condition or procedure
Shortness of Breath
Impairments of Consciousness
Pneumonia
Shortness of Breath
Impairments of Consciousness
Pneumonia
Acute Bronchitis
Bronchitis
Acute Lower Respiratory Infection
Pulmonary Rehabilitation Services
Acute Respiratory Infection
Long COVID Disorder
Bronchiolitis
Sleep Apnea
Asthma
  • View other providers who treat Asthma
Acute Bronchiolitis
Pulmonary Embolism
Altitude Sickness
Pulmonary Edema
Pleural Effusion
Wheezing
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Respiratory Failure
COPD (Chronic Obstructive Pulmonary Disease)
Sleep Study
Emphysema
Bronchiectasis
Interstitial Lung Disease
Arterial Blood Gas Test (ABG)
Acute Pharyngitis
Pulmonary Eosinophilia
Bronchospasm
Chronic Bronchiolitis
Asphyxia and Hypoxemia
Colorectal Cancer
Non-Traumatic Brain Injury
Chronic Bronchitis
Smoking Cessation Counseling
Diaphragmatic and Hiatal Hernia
Lung Cancer
Pneumonitis
Hypoxemia
Peripheral Arterial Embolism and Thrombosis
Mild Asthma
Thoracentesis
Acute Upper Respiratory Infection
Neuroendocrine Tumors
Bronchoscopy
Pulmonary Hypertension
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
Thyroid Cancer
Abdominal Pain
Acidosis
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Adrenal Gland Cancer
Alkalosis
Anal and Rectal Cancer
Anal or Rectal Pain
Asbestosis
Aspergillosis
Autoimmune Diseases
Barrett's Esophagus
Benign Lung Neoplasms
Biliary Tract Cancer
Bird Flu
  • View other providers who treat Bird Flu
Bone Cancer
Breast Cancer
Breast Lump
Bronchopulmonary Aspergillosis
Candidiasis of Lung
Cholecystitis and Gallstones
Collapsed Lung (Pneumothorax)
Common Cold
Cough
  • View other providers who treat Cough
Crohn's Disease
Cryptococcosis
Cystic Fibrosis
Ductal Carcinoma in Situ
Empyema
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Esophageal Cancer
Esophageal Diverticulum
Esophageal Varices
Exercise Induced Asthma
Fungal Infections
Gallbladder and Biliary Tract Cancer
Gallstones
Gastric Ulcer
Hemorrhoids
Hiatal Hernia
High Altitude Periodic Breathing
Histoplasmosis
Hypersensitivity Pneumonitis
Ileus
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Inflammatory Bowel Disease
Influenza (Flu)
Inguinal Hernia
Intestinal Abscess
Intestinal Obstruction
Ischemic Colitis
Lipomas
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Liver Cancer
Lung Abscess
Lung Nodule
Meckel's Diverticulum
Metastatic Respiratory System Cancer
Moderate Asthma
Mycobacterial Lung Infection
Osteosarcoma
Pancreatic Cancer
Partial Lung Collapse
Pelvic Abscess
Peptic Ulcer
Peripheral Arterial Aneurysm
Peripheral Arterial Aneurysm and Dissection
Peripheral Vascular Disease (PAD, PVD)
Phlebitis and Thrombophlebitis
Pleurisy
  • View other providers who treat Pleurisy
Pneumoconiosis and Pneumonopathy
Pneumonitis (Due to Solids or Liquids)
Primary Pulmonary Hypertension
Pulmonary Disease
Pulmonary Insufficiency
Respiratory Syncytial Virus
Rheumatoid Lung Disease
Rib Fracture
Ruptured Aortic Aneurysm
Sarcoidosis
Secondary Malignancies
Septic Embolism
Severe Asthma
Sinusitis
Sleep Disorders
Small Intestine Cancer
Soft Tissue Sarcoma
Stomach Cancer
Swine Flu
Systemic Sclerosis
Thrombosis
Thymomas
  • View other providers who treat Thymomas
Tuberculosis
Tubo-Ovarian Abscess
Ulcerative Colitis
Umbilical Hernia
Valley Fever
Vascular Disease
Vascular Insufficiency of Intestines
Ventral Hernia
Vulvar Cancer
Continuous Positive Airway Pressure (CPAP)
Non-Invasive Mechanical Ventilation
Respiratory Management

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • MultiPlan PPO
  • Principal Life
  • Memorial Care
  • Aetna
  • Medico
  • Kaiser Permanente
  • Amerigroup (Wellpoint)
  • United Healthcare
  • Humana
  • Assurant Health
  • Monarch Healthcare
  • Blue Cross and Blue Shield
  • Optima Health
  • Mutual of Omaha
  • Health Net
  • Platinum Priority Select-CA HMO
  • Medicare
  • Medicaid
  • First Health (Coventry Health Care)
  • Tricare
  • Blue Cross Blue Shield of California
  • CoreSource
  • Blue Shield of California
  • CalOptima
  • HealthyBlue 2.0
  • Commercial Insurance Company
  • Curative PPO Plus
    Curative PPO
    Curative EPO
  • Cigna

Where Dr. William Chang, DO Sees Patients

  1. 1 Paloma Medical Group Inc.
    30230 Rancho Viejo Rd Ste 200, San Juan Capistrano, CA 92675
    Monday
    08:00 - 17:00
    Tuesday
    08:00 - 17:00
    Wednesday
    08:00 - 17:00
    Thursday
    08:00 - 17:00
    Friday
    08:00 - 17:00
  2. 2 Beach Side Birth Center
    23141 Moulton Pkwy Ste 108, Laguna Hills, CA 92653

What Patients Say

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Telehealth Options
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Call now to make an appointment
(949) 443-4303

Meet Dr. William Chang, DO

Languages Spoken
Chinese
Mandarin
Languages Spoken
Specialties*
Critical Care Medicine
Pulmonology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Chang communicate via email?
2 users said yes.
Yes
(2)
No
(1)
Does Dr. Chang offer telehealth services or virtual visits?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Chang offer an online patient portal?
4 users said yes.
Yes
(4)
No
(0)
Does Dr. Chang have free onsite parking?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Chang offer weekend visits?
No users said yes.
Yes
(0)
No
(2)
Does Dr. Chang offer evening visits?
1 user said yes.
Yes
(1)
No
(2)
Does Dr. Chang specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Chang specialize in working with seniors?
No responses yet.
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(0)
No
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Does Dr. Chang specialize in couples therapy?
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Yes
(0)
No
(0)
Does Dr. Chang specialize in working with LGBTQ+ community?
No responses yet.
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(0)
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Does Dr. Chang accept insurance?
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FAQs About Dr. Chang's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. William Chang, DO. To arrange an appointment, call the number on Dr. Chang's profile.

Dr. Chang frequently treats the following conditions: Shortness of Breath, Impairments of Consciousness, Pneumonia, Acute Bronchitis, Bronchitis, Acute Lower Respiratory Infection, Acute Respiratory Infection, Long COVID Disorder, Bronchiolitis, Sleep Apnea, Asthma, Acute Bronchiolitis and Pulmonary Embolism. See more on Sharecare.

Dr. William Chang, DO is affiliated with MemorialCare Saddleback Medical Center, Hoag Hospital Newport Beach and Providence Mission Hospital Mission Viejo.

Yes, Dr. William Chang, DO holds board certification in Critical Care Medicine, Internal Medicine and Pulmonary Disease.

Training & Medical Education
Medical Education
  • MI STATE University College OF OSTEO MED
    2000
Medical Education
Board Certifications
  • Critical Care Medicine, Internal Medicine and Pulmonary Disease
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

Hospitals Where Dr. William Chang, DO Practices

  • MemorialCare Saddleback Medical Center

    24451 Health Center Dr, Laguna Hills, CA

  • Hoag Hospital Newport Beach

    1 Hoag Dr, Newport Beach, CA

  • Providence Mission Hospital Mission Viejo

    27700 Medical Center Rd, Mission Viejo, CA

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