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. Karen Chang-Chen:
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Specialties & Research
Dr. Karen Chang-Chen, MD is board certified in Internal Medicine and Endocrinology, Diabetes & Metabolism.
- She has special expertise in 3 areas:
- Diabetes Mellitus
Education & Awards
Dr. Chang-Chen graduated from Medical School: Stony Brook University Health Sciences Center School of Medicine, Stony Brook NY.
Dr. Chang-Chen has 8 hospital affiliations:
- St. Mary Medical Center - Langhorne
- Roxborough Memorial Hospital
Accepted Insurance Plans
Dr. Chang-Chen accepts these health insurances in at least one office:
- United Healthcare - 15 plans
- Unicare - 2 plans
- Humana - 6 plans
- Cigna - 9 plans
- Aetna - 3 plans
Similar doctors nearby
- Additional Information
- Where does Dr. Karen Chang-Chen practice?
Dr. Karen Chang-Chen practices Internal Medicine, Endocrinology, Diabetes & Metabolism, and Endocrinology and Metabolism near Philadelphia, PA.
Additional practice locations include: Bala Cynwyd, PA.
See Philadelphia Internists and Philadelphia Endocrinologists.