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

Dr. Garrett Wayne Knowles, OD

Individual provider Optometrist · NPI 1790073856

Dr. Garrett Wayne Knowles, OD is an Optometry in Monmouth, Oregon. Graduated from Pacific University - College of Optometry in 2011, 15 years ago. Practices with Polk Vision Clinics Inc, a 3-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
15
Trained at
Pacific University - College of Optometry
Licensed in
OR
In the registry since
2011
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

405 Boyd Ln
Monmouth, OR 97361-1611
Phone: (503) 838-1244
Fax: (503) 837-1047
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 3399AT (OR)

Record details

NPI number1790073856
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJuly 11, 2011
Last updated in NPPESJuly 24, 2024
Certification dateJuly 24, 2024
Mailing address506 Main St, Dallas, OR 97338

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolPACIFIC UNIVERSITY - COLLEGE OF OPTOMETRY
Graduated 2011 (15 years in practice)
Group practice Polk Vision Clinics Inc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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