Dr. Anna Chang, M.D.
Endocrinology
20+
Years in Practice
Available
Telehealth
Practice Locations
1 location
About Dr. Anna Chang
Anna Chang, M.D. is a healthcare provider practicing in Concord, CA.
Specialty Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
28
Years Experience
1
Location
1
States Licensed
Credentials & Board Certifications
Primary Specialty
EndocrinologyCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
University Of California, San Diego School Of Medicine
Class of 1998
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| California | A69618 | Internal Medicine |
Public Data Summary for Dr. Anna Chang
With 20 years of practice, Dr. Anna Chang is an established endocrinology provider, M.D., after earning their medical degree at University Of California, San Diego School Of Medicine in 1998. Dr. currently practices at John Muir Physician Network in Concord, California. Their National Provider Identifier (NPI) is 1568402931, 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. Anna Chang as a moderate-volume endocrinology provider, treating approximately 675 Medicare beneficiaries and delivering 7K services in the most recent reporting year. That panel size indicates balanced experience across typical Medicare conditions.
Under the Physician Payments Sunshine Act, CMS reports that Dr. Anna Chang received $251 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
$251
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. Anna Chang
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0 reviews
Endocrinology Providers Nearby
Same primary specialty near ZIP 94520
FAQ
Frequently asked questions about Dr. Anna Chang
What does Dr. Anna Chang specialize in?
Dr. Anna Chang specializes in Endocrinology.
Where does Dr. Anna Chang practice?
Dr. Anna Chang practices at John Muir Physician Network in Concord, California.
Does Dr. Anna Chang accept Medicare?
CMS records show that Dr. Anna Chang accepts Medicare assignment. CMS billing data shows 675 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. Anna Chang's NPI number?
Dr. Anna Chang's National Provider Identifier (NPI) is 1568402931. 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. Anna Chang been practicing?
Dr. Anna Chang has approximately 20 years of practice experience, having graduated from University Of California, San Diego School Of Medicine in 1998.