Geoffrey Wade Knowles, OD
Optometrist · Dallas, OR
Geoffrey Wade Knowles, OD is an optometrist with a practice address in Dallas, Oregon, and NPI 1285986513, issued on Oct 10, 2012. Check the license (Oregon 3613 ATI, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Geoffrey Wade Knowles
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3613 ATI OR
Self-reported in NPPES; status is on the state search - Practice location
- 506 Main St, Dallas, OR 97338
- Phone
- (503) 851-2547
- Enumerated
- Oct 10, 2012
- Record last updated
- Jul 24, 2024
- Medicare enrollment
- Enrolled (PECOS I20151204002506); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 2015
- Entity
- Type 1 · individual
8 nearest optometrist records → All 944 in Oregon → Look up another NPI →
Also registered at 506 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gary Knowles, ODOptometrist1154364743
Verify Geoffrey Wade Knowles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 3613 ATICheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average optometrist in 2024
323 Medicare Part D claims for 93 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Latanoprost170 claims
- Brimonidine Tartrate38 claims
- Prednisolone Acetate22 claims
- Dorzolamide Hcl21 claims
- Neomycin-Polymyxin-Dexameth20 claims
- Timolol Maleate13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Polk Vision Clinics IncDallas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geoffrey Wade Knowles among 944 optometrist records in Oregon
Geoffrey Wade Knowles, OD is one of 944 optometrist records with a practice address in Oregon. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 66% of them.
- NPI issued2012 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2015 · median 2010 among the 552 with a school on file
- Record last updated2024 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 optometrist records list a practice address in Dallas
They are 4 of the 410 NPPES records with a practice address in Dallas, and 944 optometrist records in Oregon.
All 944 in Oregon → Every provider in Dallas → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Christopher Johnson, ODDallas, OR 973381740383116
- David Johnson, ODDallas, OR 973381396611208
- Gary Knowles, ODDallas, OR 973381154364743
- Douglas Crotty, O.D.Corvallis, OR 973331033269428
- Danni GriffithCorvallis, OR 973331962858373
- Rebecca Macdow, ODCorvallis, OR 973331083391890
- Matthew Pierson, ODCorvallis, OR 973331225710767
- Jay Seitz, O.D.Corvallis, OR 973331649382821
Common questions
What is Geoffrey Wade Knowles, OD's NPI number?
Geoffrey Wade Knowles, OD's National Provider Identifier (NPI) is 1285986513, issued on Oct 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey Wade Knowles, OD located?
The NPPES record lists a practice address at 506 Main St, Dallas, OR, 97338. Phone: (503) 851-2547. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey Wade Knowles, OD's license?
NPPES lists Oregon license number 3613 ATI, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Geoffrey Wade Knowles, OD prescribe under Medicare Part D?
In 2024, Geoffrey Wade Knowles, OD had 323 Medicare Part D claims for 93 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.