A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. Tom Chang:
View the full profile to get information on:
- What's important to you
View full profile
The overall average patient rating of Dr. Tom Chang is Good.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Prepare before visiting Dr. Chang
Chronic Dry Eyes Patient Education Learn about symptoms and treatments of chronic dry eyes by reading Vitals patient education guides.Before Visiting Dr. Chang Learn More
Specialties & Research
Dr. Tom Chang, MD is board certified in Ophthalmology.
- He has special expertise in 2 areas:
- Retina Surgery
- Retinal Disorders
Education & Awards
Dr. Chang graduated from University Of Toronto Faculty Of Medicine. He has 2 awards.
Dr. Chang has 15 hospital affiliations:
- Loma Linda University Medical Center
- Presbyterian Intercommunity Hospital
Similar doctors nearby
- Additional Information
- Dr. Tom S Chang MD is a male Ophthalmologist, has 23 years of experience and practices in Ophthalmology.
- Where does Dr. Tom S. Chang practice?
- Dr. Tom Chang has 1 office location.
Dr. Tom Chang practices Ophthalmology near Thousand Oaks, CA.
See Thousand Oaks Ophthalmologists.