William C. McMillin, OD
Optometrist · Kingsport, TN
William C. McMillin, OD is an optometrist with a practice address in Kingsport, Tennessee, and NPI 1861414088, issued on Jul 24, 2006. Check the license (Tennessee 621039107, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William C. McMillin
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 621039107 TN
Self-reported in NPPES; status is on the state search - Practice location
- 4617 Fort Henry Dr, Kingsport, TN 37663
- Phone
- (423) 239-5491
- Enumerated
- Jul 24, 2006
- Record last updated
- May 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (423) 239-4860
- Medicare enrollment
- Enrolled (PECOS I20090812000902); may accept Medicare assignment
- Medical or professional school
- University Alabama Birmingham - School Of Optometry, 1978
- Entity
- Type 1 · individual
Also registered at 4617 Fort Henry Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brenna Jeffries, ODOptometrist1205522828
- William McMillin, O.D.Optometrist1427288372
Verify William C. McMillin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 621039107Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% more Medicare Part D claims than the average optometrist in 2024
403 Medicare Part D claims for 107 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Latanoprost114 claims
- Lumigan52 claims
- Rocklatan46 claims
- Timolol Maleate39 claims
- Dorzolamide-Timolol28 claims
- Neomycin-Polymyxin-Dexameth16 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: $138.62
6 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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
- Mac2 PLLCKingsport, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Optometrist providers in Tennessee
There are 1,300 optometrist records in Tennessee.
Other optometrist records in Tennessee
- Catherine Abbott, O.D.Knoxville, TN1881034114
- Eddie Abernathy, ODRogersville, TN1831178508
- Khaled Abumayaleh, ODAlcoa, TN1811039266
- Thomas Adams, ODChattanooga, TN1699392464
- Brent Adamson, O.D.Paris, TN1629419957
- Sharon Adhami, O.D.Spring Hill, TN1225035983
- Emily Adkisson, ODMemphis, TN1619731247
- Mardia Ahmed, O.D.Knoxville, TN1528335999
- Sabina Ahmed, O.D.Knoxville, TN1427101716
- Ghaith Al-SowaidiChattanooga, TN1427586783
Common questions
What is William C. McMillin, OD's NPI number?
William C. McMillin, OD's National Provider Identifier (NPI) is 1861414088, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William C. McMillin, OD located?
The NPPES record lists a practice address at 4617 Fort Henry Dr, Kingsport, TN, 37663. Phone: (423) 239-5491. Providers update this record themselves, so call before visiting.
How can I verify William C. McMillin, OD's license?
NPPES lists Tennessee license number 621039107, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does William C. McMillin, OD prescribe under Medicare Part D?
In 2024, William C. McMillin, OD had 403 Medicare Part D claims for 107 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.