NPPES file of Aug 9, 2026

Gregory Lemay, OD

Optometrist · Tualatin, OR

Gregory Lemay, OD is an optometrist with a practice address in Tualatin, Oregon, and NPI 1912559238, issued on Jul 16, 2019. Check the license (Oregon 4478AT, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912559238
Name
Gregory Lemay
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License numbers
4478AT OR
OD70067954 WA
Self-reported in NPPES; status is on the state search
Practice location
19801 SW 72ND Ave, Tualatin, OR 97062
Phone
(503) 691-2283
Enumerated
Jul 16, 2019
Record last updated
Apr 23, 2026
Medicaid IDs
500822325 OR
2371713 WA
Medicare enrollment
Enrolled (PECOS I20190814003734); accepts Medicare assignment
Medical or professional school
State University Of New York - State College Optometry, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 19801 SW 72ND Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Timothy Connall, M.D.Plastic and Reconstructive Surgery Physician1336333830
  2. Cheri Leng, M.D.Ophthalmology Physician1962473439

Verify Gregory Lemay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 4478AT
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oregon license search

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86% fewer Medicare Part D claims than the average optometrist in 2024

40 Medicare Part D claims for 11 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.

  1. Gregory Lemay40
  2. Specialty average277

Most prescribed

  1. Latanoprost15 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.

Industry payments in 2024: $15.09

1 payment: food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Lemay$15.09
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Pacific Cataract And Laser Institute Inc PCTualatin, OR
  2. Sterling Vision PCSalem, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Optometrist providers in Oregon

There are 944 optometrist records in Oregon.

Other optometrist records in Oregon

  1. James Adamek, ODEagle Point, OR1568660199
  2. Brittany Adams, O.D.Albany, OR1265732978
  3. Makayla Adams, ODMyrtle Creek, OR1790461911
  4. Shelly Adams, O.D.White City, OR1396908075
  5. Samuel Adelman, O.D.Happy Valley, OR1043545122
  6. Brett Agost, O.D.Gresham, OR1326030883
  7. Dane AgostGresham, OR1376461657
  8. Andrew Aker, O.D.Portland, OR1154520906
  9. Joseph An, O.D.Gresham, OR1235271511
  10. Anna Anderson, O.D.Portland, OR1376707984

Common questions

What is Gregory Lemay, OD's NPI number?

Gregory Lemay, OD's National Provider Identifier (NPI) is 1912559238, issued on Jul 16, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Lemay, OD located?

The NPPES record lists a practice address at 19801 SW 72ND Ave, Tualatin, OR, 97062. Phone: (503) 691-2283. Providers update this record themselves, so call before visiting.

How can I verify Gregory Lemay, OD's license?

NPPES lists Oregon license number 4478AT, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Gregory Lemay, OD prescribe under Medicare Part D?

In 2024, Gregory Lemay, OD had 40 Medicare Part D claims for 11 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.