Gregory B. Clay, O.D.,F.A.A.O
Optometrist · Durant, OK
Gregory B. Clay, O.D.,F.A.A.O is an optometrist with a practice address in Durant, Oklahoma, and NPI 1023031994, issued on Jul 25, 2006. Check the license (Oklahoma 916, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory B. Clay
- Credential
- O.D.,F.A.A.O
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 916 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1901 University Blvd., Durant, OK 74701
- Phone
- (580) 920-2020
- Enumerated
- Jul 25, 2006
- Record last updated
- Mar 16, 2026
- Fax
- (580) 924-5656
- Medicaid ID
- 100761430A OK
- Medicare enrollment
- Enrolled (PECOS I20080506000041); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 1977
- Entity
- Type 1 · individual
8 nearest optometrist records → All 892 in Oklahoma → Look up another NPI →
Verify Gregory B. Clay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 916Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average optometrist in 2024
397 Medicare Part D claims for 125 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Latanoprost102 claims
- Timolol Maleate48 claims
- Tobramycin-Dexamethasone38 claims
- Brimonidine Tartrate33 claims
- Dorzolamide-Timolol30 claims
- Loteprednol Etabonate18 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $187.35
9 payments; by number, the most common kind was 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southeastern Oklahoma Eye ClinicDurant, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory B. Clay among 892 optometrist records in Oklahoma
Gregory B. Clay, O.D.,F.A.A.O is one of 892 optometrist records with a practice address in Oklahoma. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1977 · median 2008 among the 620 with a school on file
- Record last updated2026 · 68% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 optometrist records list a practice address in Durant
They are 15 of the 994 NPPES records with a practice address in Durant, and 892 optometrist records in Oklahoma.
All 892 in Oklahoma → Every provider in Durant → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Michael Briscoe, O.D.Durant, OK 747011477568293
- Hannah Gregory, OD, MSDurant, OK 747011366015935
- Bryan Johnson, O.D.Durant, OK 747011912934035
- Trenton Kellogg, ODDurant, OK 747011881267458
- Gina Kincheloe, ODDurant, OK 747011154374999
- Neal Krieger, ODDurant, OK 747011043260516
- Wamika Kumar, ODDurant, OK 747011730700303
- Jason Rhynes, O.D.Durant, OK 747011912927450
Common questions
What is Gregory B. Clay, O.D.,F.A.A.O's NPI number?
Gregory B. Clay, O.D.,F.A.A.O's National Provider Identifier (NPI) is 1023031994, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory B. Clay, O.D.,F.A.A.O located?
The NPPES record lists a practice address at 1901 University Blvd., Durant, OK, 74701. Phone: (580) 920-2020. Providers update this record themselves, so call before visiting.
How can I verify Gregory B. Clay, O.D.,F.A.A.O's license?
NPPES lists Oklahoma license number 916, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory B. Clay, O.D.,F.A.A.O prescribe under Medicare Part D?
In 2024, Gregory B. Clay, O.D.,F.A.A.O had 397 Medicare Part D claims for 125 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Gregory B. Clay, O.D.,F.A.A.O's MIPS final score?
The 2023 MIPS final score is 84.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.