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. Peter Chang-Sing:
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- Currently 2.5 of 4 stars
The overall average patient rating of Dr. Peter Chang-Sing is Good.
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Specialties & Research
Dr. Peter Chang-Sing, MD is board certified in Internal Medicine, Cardiovascular Disease, and Clinical Cardiac Electrophysiology.
- He has special expertise in 5 areas:
- Acute Coronary Syndrome (ACS)
- Cardiac Arrhythmias
- Heart Block
- High Blood Pressure (Hypertension)
- Unstable Angina
Education & Awards
Dr. Chang-Sing graduated from Yale University, New Haven.
Dr. Chang-Sing has 9 hospital affiliations:
- Petaluma Valley Hospital
- Santa Rosa Memorial Hospital
Accepted Insurance Plans
Dr. Chang-Sing accepts these health insurances in at least one office:
- Blue Shield of California - 88 plans
- Unicare - 2 plans
- Cigna - 9 plans
- Aetna - 3 plans