Gregory Donald McLain, O.D.
Optometrist · Wewoka, OK
Gregory Donald McLain, O.D. is an optometrist with a practice address in Wewoka, Oklahoma, and NPI 1871599704, issued on Jun 24, 2005. Check the license with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Donald McLain
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 114 WY
Self-reported in NPPES; status is on the state search - Practice location
- Wewoka Ihs Health Center, Wewoka, OK 74884
- Phone
- (800) 390-5181
- Enumerated
- Jun 24, 2005
- Record last updated
- Oct 27, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (405) 257-3344
- Entity
- Type 1 · individual
8 nearest optometrist records → All 892 in Oklahoma → Look up another NPI →
Verify Gregory Donald McLain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average optometrist in 2024
21 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
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.
Gregory Donald McLain among 892 optometrist records in Oklahoma
Gregory Donald McLain, O.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2011 · 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).
1 optometrist record lists a practice address in Wewoka
They are 1 of the 69 NPPES records with a practice address in Wewoka, and 892 optometrist records in Oklahoma.
All 892 in Oklahoma → Every provider in Wewoka → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Kyle Karnish, O.D.Tecumseh, OK 748731912285750
- Bryan McRay, ODSeminole, OK 748681346262854
- Roger Radell, ODPrague, OK 748641265539613
- Robert Irby, ODHoldenville, OK 748481942200969
- Karl Evans, ODChandler, OK 748341386750180
- Courtney Bratton, ODAda, OK 748201043402100
- Candis Clark, ODAda, OK 748201235623570
- Jeffery Elliott, O.D.Ada, OK 748201780766592
Common questions
What is Gregory Donald McLain, O.D.'s NPI number?
Gregory Donald McLain, O.D.'s National Provider Identifier (NPI) is 1871599704, issued on Jun 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Donald McLain, O.D. located?
The NPPES record lists a practice address at Wewoka Ihs Health Center, Wewoka, OK, 74884. Phone: (800) 390-5181. Providers update this record themselves, so call before visiting.
How can I verify Gregory Donald McLain, O.D.'s license?
Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Donald McLain, O.D. prescribe under Medicare Part D?
In 2024, Gregory Donald McLain, O.D. had 21 Medicare Part D claims; 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.