Keith A. Williamson, M.D
Ophthalmology Physician · Kingsport, TN
Keith A. Williamson, M.D is an ophthalmology physician with a practice address in Kingsport, Tennessee, and NPI 1861459380, issued on Apr 27, 2006. Check the license (Tennessee 47442, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Keith A. Williamson
- Credential
- M.D
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 47442 TN
26502 AL
Self-reported in NPPES; status is on the state search - Practice location
- 135 W Ravine RD, Kingsport, TN 37660
- Phone
- (423) 246-7372
- Enumerated
- Apr 27, 2006
- Record last updated
- Aug 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (423) 578-4369
- Medicaid IDs
- 009933593 AL
051556533 AL - Medicare enrollment
- Enrolled (PECOS I20110713000805); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 366 in Tennessee → Look up another NPI →
Also registered at 135 W Ravine RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Alley, MDAnesthesiology Physician1013916295
- Kierra Anderson, FNP-CFamily Nurse Practitioner1902638273
- Charles Bice, MDOphthalmology Physician1477572238
- Mikki Brown, CRNACertified Registered Nurse Anesthetist1164416137
- Richard Carter, MDAnesthesiology Physician1407855471
- Mark Carver, MDAnesthesiology Physician1649279811
Verify Keith A. Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 47442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average ophthalmology physician in 2024
1,721 Medicare Part D claims for 598 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Latanoprost439 claims
- Restasis220 claims
- Prednisolone Acetate175 claims
- Neomycin-Polymyxin-Dexameth159 claims
- Dorzolamide-Timolol121 claims
- Brimonidine Tartrate80 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): 100 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: $257.05
13 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Regional Eye Center PCKingsport, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keith A. Williamson among 366 ophthalmology physician records in Tennessee
Keith A. Williamson, M.D is one of 366 ophthalmology physician records with a practice address in Tennessee. 79% 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 21% of them.
- NPI issued2006 · 21% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2001 · median 2002 among the 247 with a school on file
- Record last updated2011 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Tennessee
There are 366 ophthalmology physician records in Tennessee.
All 366 in Tennessee → Every provider in Kingsport → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Claxton Baer, M.D.Kingsport, TN 376601144255100
- Charles Bice, MDKingsport, TN 376601477572238
- John Chapman, MDKingsport, TN 376601144252115
- Brandon Lee, M.D.Kingsport, TN 376601225080021
- Craig Mitcham, DOKingsport, TN 376601841781127
- Anthony Seaton, MD, PHDKingsport, TN 376601083646905
- Eric Smith, MDKingsport, TN 376601295767101
- Janet Brown, MDMountain Home, TN 376841619960887
Common questions
What is Keith A. Williamson, M.D's NPI number?
Keith A. Williamson, M.D's National Provider Identifier (NPI) is 1861459380, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith A. Williamson, M.D located?
The NPPES record lists a practice address at 135 W Ravine RD, Kingsport, TN, 37660. Phone: (423) 246-7372. Providers update this record themselves, so call before visiting.
How can I verify Keith A. Williamson, M.D's license?
NPPES lists Tennessee license number 47442, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Keith A. Williamson, M.D prescribe under Medicare Part D?
In 2024, Keith A. Williamson, M.D had 1,721 Medicare Part D claims for 598 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Keith A. Williamson, M.D's MIPS final score?
The 2023 MIPS final score is 100 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.