Thomas Lloyd Brown, M.D.
Ophthalmology Physician · Greeneville, TN
Thomas Lloyd Brown, M.D. is an ophthalmology physician with a practice address in Greeneville, Tennessee, and NPI 1851400758, issued on Aug 30, 2006. Check the license (Tennessee 35895, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Thomas Lloyd Brown
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 35895 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1406 Tusculum Blvd Ste 1000, Greeneville, TN 37745
- Phone
- (423) 639-6848
- Enumerated
- Aug 30, 2006
- Record last updated
- Jul 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (423) 787-7210
- Medicaid ID
- 38749981 TN
- Medicare enrollment
- Enrolled (PECOS I20080527000313); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 366 in Tennessee → Look up another NPI →
Verify Thomas Lloyd Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 35895Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,493 Medicare Part D claims for 295 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Latanoprost722 claims
- Dorzolamide-Timolol140 claims
- Timolol Maleate138 claims
- Brimonidine Tartrate103 claims
- Rocklatan54 claims
- Erythromycin52 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): 49.6 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: $192.85
8 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products 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
- Greeneville Eye ClinicGreeneville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Lloyd Brown among 366 ophthalmology physician records in Tennessee
Thomas Lloyd Brown, 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
- Graduated1998 · median 2002 among the 247 with a school on file
- Record last updated2020 · 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 Greeneville → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Luke Ellenburg, M.D.Greeneville, TN 377451932119641
- William Smead, M.D.Greeneville, TN 377451013927789
- Laura Urban, M.D.Greeneville, TN 377451003826470
- Paul Wittke, M.D.Harriman, TN 377481699798090
- Sullivan Smoak, MDLenoir City, TN 377721184369175
- Julie Durand, M.D.Maryville, TN 378031174592984
- Alden Haun, MDMaryville, TN 378031316941842
- Kenneth Olander, M.D.Maryville, TN 378031568431393
Common questions
What is Thomas Lloyd Brown, M.D.'s NPI number?
Thomas Lloyd Brown, M.D.'s National Provider Identifier (NPI) is 1851400758, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Lloyd Brown, M.D. located?
The NPPES record lists a practice address at 1406 Tusculum Blvd Ste 1000, Greeneville, TN, 37745. Phone: (423) 639-6848. Providers update this record themselves, so call before visiting.
How can I verify Thomas Lloyd Brown, M.D.'s license?
NPPES lists Tennessee license number 35895, 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 Thomas Lloyd Brown, M.D. prescribe under Medicare Part D?
In 2024, Thomas Lloyd Brown, M.D. had 1,493 Medicare Part D claims for 295 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Thomas Lloyd Brown, M.D.'s MIPS final score?
The 2023 MIPS final score is 49.6 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.