Summary

Dr. Charles Chang is a urology specialist who brings 18 years of experience to his practice. He earned his medical degree from SUNY Downstate Medical Center College of Medicine, building a strong foundation in urological care. Dr. Chang is fluent in Mandarin, allowing him to serve patients who prefer to communicate in this language.

Dr. Chang practices at John Muir Health Concord Medical Center in Concord, California. He focuses on treating conditions such as prostate cancer, including advanced cases and recurrent forms of the disease. His practice includes performing diagnostic procedures like CT scans and urine tests, as well as providing external beam radiation therapy. Patients rate Dr. Chang 5.0 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 18 years of experience
  • 30 insurance plans accepted
  • speaks Mandarin
  • Suny Downstate Medical Center College Of Medicine
  • 2 specialties
  • 8 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

John Muir Health

2222 East St Ste 250Concord, CA 94520

Compare with Similar Doctors

Charles Chang, MD
Dr. Craig Comiter
Dr. Tony Chen, MD
Dr. Serena Yang-Loudin, MD
Charles Chang, MDDr. Craig ComiterDr. Tony Chen, MDDr. Serena Yang-Loudin, MD
UrologyUrologyUrologyUrology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
18 Years of Experience 34 Years of Experience 12 Years of Experience 13 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Mandarin Speaks English, Spanish
Concord , CAPalo Alto , CAEmeryville , CAPleasanton , CA
Med School: Suny Downstate Medical Center College Of Medicine Med School: Harvard Medical School Med School: University Of California San Diego School Of Medicine Med School: Baylor College Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Charles Chang

  • Accepts Medicare
  • AARP Medicare
  • Aetna
  • Alameda Alliance for Health
  • Amera-Net
  • Anthem Blue Cross
  • Beech Street (owned by MultiPlan)
  • Blue Shield
  • Canopy Care
  • Canopy Health
  • Canopy United Healthcare
  • ChoiceCare Network/Humana
  • Cigna
  • Community Care Network (CCN)
  • Contra Costa Health Plan
  • CorVel Corporation
  • Coventry Health Care National Network
  • First Health
  • Fortified Provider Network
  • Great-West Healthcare (Now CIGNA)
  • Health Management Network
  • Health Net
  • HealthSmart
  • Humana
  • Inc.
  • Integrated Health Plan
  • Medicare
  • Medicare Advantage Plans
  • Multiplan
  • Multiplan PPO (Kaiser PPO or POS - excluded)
  • United Health Care

Medical Specialties

Charles Chang has the following 2 specialties

Specialty Expertise

Charles Chang has the following 8 areas of expertise

  • Bladder Issues
  • Erectile Dysfunction (ED)
  • Kidney Stones
  • Overactive Urinary Bladder
  • Prostate Cancer
  • Prostatitis
  • Urologic Emergencies
  • Urologist

Certifications, License, & Education

18 Years Experience

Charles Chang holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2025.

Education & Training

Medical School

Graduated from Suny Downstate Medical Center College Of Medicine in 2008.

NPI Number

Charles Chang's NPI number is 1942436886.

Similar doctors

Frequently Asked Questions

What languages does Charles Chang speak?
Charles Chang speaks Mandarin.
How can I make an appointment with Charles Chang?
You can find contact information for Charles Chang here on Vitals.
Does Charles Chang accept virtual/telehealth appointments?
Charles Chang has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Charles Chang's office located?
Charles Chang's office is located at 2222 East St Ste 250, Concord, CA, 94520.
Which hospitals is Charles Chang affiliated with?
Charles Chang is affiliated with John Muir Health Concord Medical Center.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.