Dr. William W. Chang
- Gender: Male
- Experience: 21 years
- Graduated from: Michigan State University College Of Osteopathic Medicine
- Graduation year: 2000
- Sole propriator: No
- NPI: 1417902149
Dr. William W. Chang D.O.
Pulmonologist
He is located at 30230 Rancho Viejo Road Suite 200 in San Juan Capistrano, CA 92675. Can help patients with the following: Asthma, Embolism, Lung Cancer, Nausea and Vomiting, Peptic Ulcer, Pulmonary Aspiration. His National Provider Identifier (NPI) number is 1417902149. Appointment can be made via the phone number (714) 571-5000. He is affiliated with 1 practices and 2 hospitals.
Conditions treated
Dr. William Weiming Chang, being an pulmonologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. William W. Chang.
- Abdominal Pain
- Acute Pain
- Alpha-1 Antitrypsin Deficiency (AATD)
- Anemia
- Arthritis
- Asbestosis
- Asthma
- Atherosclerosis
- Bladder Control
- Blood Clots
- Bronchiectasis
- Bronchitis
- Chest Pain
- Cholecystitis
- Chronic Cough
- Chronic Obstructive Pulmonary Disease (COPD)
- Collapsed Lung
- Common Cold
- Constipation
- Cryptococcosis
- Cystic Fibrosis (CF)
- Cystitis
- Diarrhea
- Edema
- Embolism
- Emphysema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Lung Cancer
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Pleural Effusion
- Pleurisy
- Pneumonia
- Prescription Refill
- Pulmonary Aspiration
- Pulmonary Embolism (PE)
- Pulmonary Fibrosis (PF)
- Pulmonary Hypertension (PH)
- Sarcoidosis
- Sleep Apnea
- Sleep Disorders
- Smoking and Quitting Smoking
- Tuberculosis (TB)
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. William W. Chang
Medicare Enrollment
Dr. William W. Chang is enrolled to bill Medicare as a Practitioner - Pulmonary Disease (also registered under: Practitioner - Internal Medicine, Practitioner - Critical Care (intensivists)) .
Bills through: Uc Regents
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| GlaxoSmithKline | $1890 |
| Boehringer Ingelheim | $1326 |
| AstraZeneca | $561 |
Other
| Food and Beverage | $7758 |
| Promotional Speaking or Service | $33 |
Studies
MICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated in 2000Additional Specialities
- Internist
- Specialist
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Questions & Answers
What conditions does Dr. William Weiming Chang treat?
Dr. William Weiming Chang provides treatment for Asthma, Embolism, Lung Cancer, Nausea and Vomiting, Peptic Ulcer, Pulmonary Aspiration. For the full list see this list.
Where can you meet with Dr. William Weiming Chang?
Dr. William Weiming Chang's office is located at 30230 Rancho Viejo Road Suite 200 in San Juan Capistrano, CA 92675.
Has Dr. William Weiming Chang affiliation with hospitals?
Dr. William Weiming Chang is affiliated with MISSION HOSPITAL REGIONAL MED CENTER. For the full list of hospitals see this list.
Does Dr. William Weiming Chang have affiliation with practices?
Dr. William Weiming Chang is affiliated with Paloma Medical Group.