William Ray Losie, O.D.
Optometrist · Eugene, OR
William Ray Losie, O.D. is an optometrist with a practice address in Eugene, Oregon, and NPI 1104952910, issued on Feb 26, 2007. Check the license (Oregon 1709ATI, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Ray Losie
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1709ATI OR
Self-reported in NPPES; status is on the state search - Practice location
- 1680 Chambers St Ste 101, Eugene, OR 97402
- Phone
- (541) 686-1117
- Enumerated
- Feb 26, 2007
- Record last updated
- Jan 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (541) 687-2158
- Medicaid ID
- 108225 OR
- Medicare enrollment
- Enrolled (PECOS I20050920000239); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 1984
- Entity
- Type 1 · individual
Verify William Ray Losie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 1709ATICheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average optometrist in 2024
50 Medicare Part D claims for 26 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.
Most prescribed
- Neomycin-Polymyxin-Dexameth18 claims
- Prednisolone Acetate11 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.
Optometrist providers in Oregon
There are 944 optometrist records in Oregon.
Other optometrist records in Oregon
- James Adamek, ODEagle Point, OR1568660199
- Brittany Adams, O.D.Albany, OR1265732978
- Makayla Adams, ODMyrtle Creek, OR1790461911
- Shelly Adams, O.D.White City, OR1396908075
- Samuel Adelman, O.D.Happy Valley, OR1043545122
- Brett Agost, O.D.Gresham, OR1326030883
- Dane AgostGresham, OR1376461657
- Andrew Aker, O.D.Portland, OR1154520906
- Joseph An, O.D.Gresham, OR1235271511
- Anna Anderson, O.D.Portland, OR1376707984
Common questions
What is William Ray Losie, O.D.'s NPI number?
William Ray Losie, O.D.'s National Provider Identifier (NPI) is 1104952910, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Ray Losie, O.D. located?
The NPPES record lists a practice address at 1680 Chambers St Ste 101, Eugene, OR, 97402. Phone: (541) 686-1117. Providers update this record themselves, so call before visiting.
How can I verify William Ray Losie, O.D.'s license?
NPPES lists Oregon license number 1709ATI, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does William Ray Losie, O.D. prescribe under Medicare Part D?
In 2024, William Ray Losie, O.D. had 50 Medicare Part D claims for 26 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.