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

Dr. Winston Douglas Chamberlain, MD, PHD

Individual provider Ophthalmology Physician · NPI 1710108162

Dr. Winston Douglas Chamberlain, MD, PHD is an Ophthalmology in Portland, Oregon. Graduated from University of Colorado School of Medicine, Denver in 2002, 24 years ago. Practices with Kaiser Foundation Health Plan of the Northwest, a 1,811-clinician group and accepts Medicare assignment. Licensed in California and Oregon.

Years since qualifying
24
Trained at
University of Colorado School of Medicine, Denver
Licensed in
CA, OR
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

3375 SW Terwilliger Blvd
Portland, OR 97239-4146
Phone: (503) 494-3000
Fax: (503) 494-4286
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cornea and External Diseases Specialist Physician (primary) Taxonomy 207WX0120X · Licence MD28180 (OR)
Ophthalmology Physician Taxonomy 207W00000X · Licence MD28180 (OR)
Ophthalmology Physician Taxonomy 207W00000X · Licence A89422 (CA)

Record details

NPI number1710108162
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMay 2, 2007
Last updated in NPPESApril 9, 2018

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Graduated 2002 (24 years in practice)
Group practice Kaiser Foundation Health Plan Of The Northwest — 1811 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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