Dr. Catherine Chang, M.D.
Internal Medicine
20+
Years in Practice
Practice Locations
1 location
About Dr. Catherine Chang
Catherine Chang, M.D. is a healthcare provider practicing in Newport Beach, CA.
Specialty Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
38
Years Experience
1
Location
1
States Licensed
Credentials & Board Certifications
Primary Specialty
Internal MedicineCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
University Of California, Geffen School Of Medicine
Class of 1988
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| California | G68516 | Specialist |
Public Data Summary for Dr. Catherine Chang
With 20 years of practice, Dr. Catherine Chang is an established internal medicine provider, M.D., after earning their medical degree at University Of California, Geffen School Of Medicine in 1988. Dr. currently practices at in Newport Beach, California. Their National Provider Identifier (NPI) is 1295766426, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
CMS Medicare data shows Dr. Catherine Chang as a lower-volume internal medicine provider, treating approximately 276 Medicare beneficiaries and delivering 2K services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.
Under the Physician Payments Sunshine Act, CMS reports that Dr. Catherine Chang received $50 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.
Transparency & Safety
Public records from CMS and OIG databases
Industry Payments
$50
Total payments received from pharmaceutical and medical device companies in 2023.
Source: CMS Open Payments (Sunshine Act)
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. Catherine Chang
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0 reviews
Internal Medicine Providers Nearby
Same primary specialty near ZIP 92660
FAQ
Frequently asked questions about Dr. Catherine Chang
What does Dr. Catherine Chang specialize in?
Dr. Catherine Chang specializes in Internal Medicine.
Where does Dr. Catherine Chang practice?
Dr. Catherine Chang practices at in Newport Beach, California.
Does Dr. Catherine Chang accept Medicare?
CMS records show that Dr. Catherine Chang accepts Medicare assignment. CMS billing data shows 276 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. Catherine Chang's NPI number?
Dr. Catherine Chang's National Provider Identifier (NPI) is 1295766426. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. Catherine Chang been practicing?
Dr. Catherine Chang has approximately 20 years of practice experience, having graduated from University Of California, Geffen School Of Medicine in 1988.