Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William C. Chapin, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1083653679

William C. Chapin, MD is an Endocrinology in Portland, Oregon. Graduated from Medical College of Pennsylvania in 1998, 28 years ago. Practices with Providence Health and Services Oregon, a 1,426-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
28
Trained at
Medical College of Pennsylvania
Licensed in
OR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4805 NE Glisan St Ste 6N40
Portland, OR 97213-2933
Phone: (503) 215-6601
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 9155 Sw Barnes Rd Ste 638, Portland, OR 97225-6633 — (503) 216-7000

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence MD22016 (OR)

Record details

NPI number1083653679
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESMay 11, 2026
Certification dateMay 11, 2026
Mailing address4805 Ne Glisan St Ste 6n40, Portland, OR 97213-2933

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyENDOCRINOLOGY
Medical schoolMEDICAL COLLEGE OF PENNSYLVANIA
Graduated 1998 (28 years in practice)
Group practice Providence Health And Services Oregon — 1426 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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