William Ray Losie, OD
- Medicare patients, 2024
- 94
- Part D claims, 2024
- 50
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 1680 Chambers St, Eugene, OR 97402
- Practice phone
- Call (541) 686-1117
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
William R. Losie O.D.
Eugene, Oregon
Find William Losie's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William Ray Losie is an optometrist in Eugene, Oregon
William Losie practices at William R. Losie O.D. in Eugene, Oregon.
William Losie's NPI, 1104952910, was assigned on February 26, 2007. William Losie graduated from Southern California College of Optometry in 1984. William Losie holds Oregon license 1709ATI.
- NPI
- 1104952910NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507890589
- NPI enumeration date
- February 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 686-1117
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William Ray Losie practices at William R. Losie O.D. in Eugene, Oregon
William Losie's primary practice is William R. Losie O.D., at 1680 Chambers St, Eugene, OR 97402 in Lane County. The practice phone is (541) 686-1117.
- William R. Losie O.D.1680 Chambers St, Eugene, OR 97402 · Lane CountyPhone(541) 686-1117
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William Ray Losie is affiliated with 2 sites of care
William Losie's primary practice is William R. Losie O.D. in Eugene, Oregon. Dmand AI also links William Losie to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William Ray Losie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Losie practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| William R. Losie O.D. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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William Ray Losie is one of 721 optometrists in Oregon
Optometrist is William Losie's primary specialty in the NPI Registry, under taxonomy code 152W00000X. William Losie is licensed in Oregon.
Specialties and state licenses
- Optometrist, OregonPrimary
Optometrists near William Losie
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William Ray Losie treated 94 Medicare patients in 2024, average age 68
CMS counts 94 Medicare patients who saw William Losie in 2024. The largest group is 65 to 74, with 46 patients. 54% of them have high cholesterol, and 45% have high blood pressure. 30% are also on Medicaid. Their average risk score is 0.73, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Losie's median patient age at 68, with 57% women.
William Losie's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Losie's Medicare patients by sex, 2024
- Women4447%
- Men5053%
Chronic conditions among William Losie's Medicare patients, 2024
- High cholesterol54%
- High blood pressure45%
- Arthritis31%
- Anxiety18%
- Diabetes16%
- Mood disorders16%
- Chronic kidney disease14%
- Atrial fibrillation12%
Share of Medicare patients with each condition. A patient can have several.
William Losie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Ray Losie wrote 50 Medicare Part D claims in 2024
In 2024, William Losie wrote 50 Medicare Part D claims for 26 patients. 52% of them were for generic drugs.
William Losie's Part D claims by kind of drug, 2024
- Generic26 claims52%
- Brand-name24 claims48%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
William Ray Losie ranks in the 52nd percentile for cataract surgery in Medicare
William Losie accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 28 procedures of cataract surgery by William Losie, more than 52% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where William Losie ranks in Medicare procedure volume
- Cataract surgery
- 52nd percentile28 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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William Ray Losie graduated from Southern California College of Optometry
William Losie graduated from Southern California College of Optometry in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William Ray Losie's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Ray Losie
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Ray Losie's NPI number?
William Ray Losie's NPI number is 1104952910. It was assigned on February 26, 2007, and it is active in the NPI Registry.
What does William Ray Losie specialize in?
William Ray Losie is an optometrist in Eugene, Oregon. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does William Ray Losie practice?
William Losie practices at 1680 Chambers St, Eugene, OR 97402. William Losie's primary practice is William R. Losie O.D. in Eugene, Oregon. Dmand AI also links William Losie to 1 physician office.
What is William Ray Losie's office phone number?
The practice phone on file for William Losie is (541) 686-1117.
What is William Ray Losie's medical license number?
William Losie holds Oregon license 1709ATI.
Does William Ray Losie accept Medicare?
Yes. CMS lists William Losie as accepting Medicare assignment.
How many Medicare patients does William Ray Losie see?
CMS counts 94 Medicare patients who saw William Losie in 2024, with an average age of 68.
Where did William Ray Losie go to medical school?
William Losie graduated from Southern California College of Optometry in 1984.
How long has William Ray Losie been practicing?
William Losie graduated from medical school in 1984, 42 years ago.
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