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. William Chapin:
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Specialties & Research
Dr. William Chapin, MD is board certified in Internal Medicine and Endocrinology, Diabetes & Metabolism.
- He has special expertise in 4 areas:
- Anxiety Disorders
- Diabetes Mellitus
Education & Awards
Dr. Chapin graduated from Drexel University , Philadelphia.
Dr. Chapin has 3 hospital affiliations:
- Providence Portland Medical Center
- Adventist Medical Center
- Tuality Healthcare
Accepted Insurance Plans
Dr. Chapin accepts these health insurances in at least one office:
- Humana - 2 plans
- ODS Health Plans - 1 plan
- Aetna - 2 plans
- Providence Health Plan - 18 plans
Similar doctors nearby
- Additional Information
- Where does Dr. William C. Chapin practice?
Dr. William Chapin practices Internal Medicine, Endocrinology, Diabetes & Metabolism, Endocrinology and Metabolism, and Family Medicine near Tualatin, OR.
Additional practice locations include: Portland, OR.
See Tualatin Internists, Tualatin Endocrinologists, and Tualatin Family Physicians.