Gregory B. Clay, FAAO, OD

  • Durant, OK
  • Optometrist
NPI1023031994PAC ID5698854461
Medicare patients, 2024
708
Part D claims, 2024
397
MIPS score, 2024
95
Industry payments
$151
Affiliated sites
1
Practice address
1901 W University Blvd, Durant, OK 74701-3098
Practice phone
Call (580) 920-2020
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Clay-rhynes Eye Clinic

Eye care practice · Durant, Oklahoma

See all 2 affiliations

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Gregory B. Clay is an optometrist in Durant, Oklahoma

Gregory Clay practices at Clay-rhynes Eye Clinic in Durant, Oklahoma.

Gregory Clay's NPI, 1023031994, was assigned on July 25, 2006. Gregory Clay graduated from Southern College of Optometry in 1977. Gregory Clay holds Oklahoma license 916.

NPI and contact details
Medicare PAC ID
5698854461
NPI enumeration date
July 25, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(580) 920-2020
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
75
Medical school graduation
1977

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Gregory B. Clay practices at Clay-rhynes Eye Clinic in Durant, Oklahoma

Gregory Clay's primary practice is Clay-rhynes Eye Clinic, at 1901 W University Blvd, Durant, OK 74701-3098. The practice phone is (580) 920-2020.

  • Clay-rhynes Eye Clinic
    1901 W University Blvd, Durant, OK 74701-3098Phone(580) 920-2020

Source: Dmand AI Affiliation Data

Gregory B. Clay is affiliated with 1 site of care and 1 medical group

Gregory Clay's primary practice is Clay-rhynes Eye Clinic in Durant, Oklahoma. Dmand AI also links Gregory Clay to 1 medical group, named with a free account.

Clay-rhynes Eye ClinicEye care practice · Durant, OklahomaPrimary
1 medical groupName with a free account
See all 2 affiliations for Gregory Clay

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Gregory B. Clay's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Clay practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Clay-rhynes Eye ClinicAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Gregory B. Clay is one of 712 optometrists in Oklahoma

Optometrist is Gregory Clay's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Gregory Clay is licensed in Oklahoma.

Specialties and state licenses

  • Optometrist, OklahomaPrimaryLicense 916 · taxonomy 152W00000X

Optometrists near Gregory Clay

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 B. Clay treated 708 Medicare patients in 2024, average age 77

CMS counts 708 Medicare patients who saw Gregory Clay in 2024. The largest group is 75 to 84, with 331 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Gregory Clay's median patient age at 75, with 60% women.

Medicare patients, 2024708
Average age77
Average risk score1.04
Also on Medicaid6%

Gregory Clay's Medicare patients by age, 2024

Gregory Clay's Medicare patients by sex, 2024

  • Women45664%
  • Men25236%

Chronic conditions among Gregory Clay's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Ischemic heart disease31%
  5. Diabetes30%
  6. Anxiety23%
  7. Atrial fibrillation21%
  8. COPD19%

Share of Medicare patients with each condition. A patient can have several.

Gregory Clay's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women60%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Gregory B. Clay wrote 397 Medicare Part D claims in 2024

In 2024, Gregory Clay wrote 397 Medicare Part D claims for 125 patients. 70% of them were for generic drugs.

Part D claims, 2024397
Part D patients125

Gregory Clay's Part D claims by kind of drug, 2024

  • Generic278 claims70%
  • Brand-name119 claims30%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Gregory B. Clay scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Gregory Clay for performance year 2024, reported as part of a group. Gregory Clay accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 46 procedures of cataract surgery by Gregory Clay, more than 62% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Gregory Clay's MIPS scores, performance year 2024

  • 95of 100Final score
  • 90of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Gregory Clay ranks in Medicare procedure volume

Cataract surgery
62nd percentile46 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Gregory B. Clay received $151 in industry payments in 2025

CMS Open Payments shows 4 general payments to Gregory Clay from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $96.

Companies that paid Gregory Clay the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Gregory Clay

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Gregory B. Clay graduated from Southern College of Optometry

Gregory Clay graduated from Southern College of Optometry in 1977.

  1. Medical schoolSouthern College of Optometry

Source: Dmand AI Professional Profile Data

Sources for Gregory B. Clay's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Gregory B. Clay

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 B. Clay's NPI number?

Gregory B. Clay's NPI number is 1023031994. It was assigned on July 25, 2006, and it is active in the NPI Registry.

What does Gregory B. Clay specialize in?

Gregory B. Clay is an optometrist in Durant, Oklahoma. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Gregory B. Clay practice?

Gregory Clay practices at 1901 W University Blvd, Durant, OK 74701-3098. Gregory Clay's primary practice is Clay-rhynes Eye Clinic in Durant, Oklahoma. Dmand AI also links Gregory Clay to 1 medical group.

What is Gregory B. Clay's office phone number?

The practice phone on file for Gregory Clay is (580) 920-2020.

What is Gregory B. Clay's medical license number?

Gregory Clay holds Oklahoma license 916.

Does Gregory B. Clay accept Medicare?

Yes. CMS lists Gregory Clay as accepting Medicare assignment.

What is Gregory B. Clay's MIPS score?

Gregory Clay's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.

How many Medicare patients does Gregory B. Clay see?

CMS counts 708 Medicare patients who saw Gregory Clay in 2024, with an average age of 77.

Where did Gregory B. Clay go to medical school?

Gregory Clay graduated from Southern College of Optometry in 1977.

Has Gregory B. Clay received payments from drug or device companies?

CMS Open Payments shows $151 in general payments to Gregory Clay from 2 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Gregory B. Clay been practicing?

Gregory Clay graduated from medical school in 1977, 49 years ago.

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