Gregory Lemay, OD
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 40
- Industry payments
- $14
- Affiliated sites
- 3
- Medical groups
- 4
- Practice address
- 1011 Valley River Way, Eugene, OR 97401
- Practice phone
- Call (541) 762-2763
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sterling Vision
Eugene, Oregon
Find Gregory Lemay'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.
Gregory Lemay is an optometrist in Eugene, Oregon
Gregory Lemay practices at Sterling Vision in Eugene, Oregon.
Gregory Lemay's NPI, 1912559238, was assigned on July 16, 2019. Gregory Lemay graduated from State University of New York - State College Optometry in 2016. Gregory Lemay holds Oregon license 4478AT.
- NPI
- 1912559238NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880921725
- NPI enumeration date
- July 16, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 762-2763
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory Lemay practices at Sterling Vision in Eugene, Oregon
Gregory Lemay's primary practice is Sterling Vision, at 1011 Valley River Way, Eugene, OR 97401 in Lane County. The practice phone is (541) 762-2763.
- Sterling Vision1011 Valley River Way, Eugene, OR 97401 · Lane CountyPhone(541) 762-2763
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gregory Lemay is affiliated with 4 sites of care and 4 medical groups
Gregory Lemay's primary practice is Sterling Vision in Eugene, Oregon. Dmand AI also links Gregory Lemay to 4 medical groups, 2 group practices and clinics and 1 ambulatory surgery center, each 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 Gregory Lemay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Lemay practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sterling Vision | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory Lemay is one of 721 optometrists in Oregon
Optometrist is Gregory Lemay's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Gregory Lemay's licenses on file in 2 states: Oregon and Washington.
Specialties and state licenses
- Optometrist, OregonPrimary
- Washington license
Optometrists near Gregory Lemay
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
Gregory Lemay treated 47 Medicare patients in 2024, average age 73
CMS counts 47 Medicare patients who saw Gregory Lemay in 2024. The largest group is 65 to 74, with 25 patients. 55% of them have high cholesterol, and 53% have high blood pressure. 28% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gregory Lemay's median patient age at 67, with 64% women.
Gregory Lemay's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gregory Lemay's Medicare patients by sex, 2024
- Women3370%
- Men1430%
Chronic conditions among Gregory Lemay's Medicare patients, 2024
- High cholesterol55%
- High blood pressure53%
- Diabetes40%
- Arthritis30%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Gregory Lemay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory Lemay wrote 40 Medicare Part D claims in 2024
In 2024, Gregory Lemay wrote 40 Medicare Part D claims for 11 patients. 57% of them were for generic drugs.
Gregory Lemay's Part D claims by kind of drug, 2024
- Generic23 claims57%
- Brand-name17 claims43%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Gregory Lemay ranks in the 36th percentile for cataract surgery in Medicare
Gregory Lemay accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of cataract surgery by Gregory Lemay, more than 36% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Gregory Lemay ranks in Medicare procedure volume
- Cataract surgery
- 36th percentile13 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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Gregory Lemay received $14 in industry payments in 2025
CMS Open Payments shows 1 general payment to Gregory Lemay from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $14.
Companies that paid Gregory Lemay the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Gregory Lemay graduated from State University of New York - State College Optometry
Gregory Lemay graduated from State University of New York - State College Optometry in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gregory Lemay'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) |
| Industry payments | Open Payments (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 Gregory Lemay
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Lemay's NPI number?
Gregory Lemay's NPI number is 1912559238. It was assigned on July 16, 2019, and it is active in the NPI Registry.
What does Gregory Lemay specialize in?
Gregory Lemay is an optometrist in Eugene, Oregon. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Gregory Lemay practice?
Gregory Lemay practices at 1011 Valley River Way, Eugene, OR 97401. Gregory Lemay's primary practice is Sterling Vision in Eugene, Oregon. Dmand AI also links Gregory Lemay to 4 medical groups, 2 group practices and clinics and 1 ambulatory surgery center.
What is Gregory Lemay's office phone number?
The practice phone on file for Gregory Lemay is (541) 762-2763.
What is Gregory Lemay's medical license number?
Gregory Lemay holds Oregon license 4478AT, one of the licenses on file in 2 states.
Which states has Gregory Lemay been licensed in?
Dmand AI has state licenses on file for Gregory Lemay in Oregon and Washington.
Does Gregory Lemay accept Medicare?
Yes. CMS lists Gregory Lemay as accepting Medicare assignment.
How many Medicare patients does Gregory Lemay see?
CMS counts 47 Medicare patients who saw Gregory Lemay in 2024, with an average age of 73.
Where did Gregory Lemay go to medical school?
Gregory Lemay graduated from State University of New York - State College Optometry in 2016.
Has Gregory Lemay received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Gregory Lemay from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Gregory Lemay been practicing?
Gregory Lemay graduated from medical school in 2016, 10 years ago.
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