Timothy Mark Stout, MD
Retina Specialist (Ophthalmology) Physician · Knoxville, TN
Timothy Mark Stout, MD is a retina specialist (ophthalmology) physician with a practice address in Knoxville, Tennessee, and NPI 1316930688, issued on Aug 23, 2005. Check the license (Tennessee 68554, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Timothy Mark Stout
- Credential
- MD
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License numbers
- 68554 TN
MD68554 TN
04-29147 KS
0429147 KS
MD108395 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Dowell Springs Blvd Ste 310, Knoxville, TN 37909
- Phone
- (423) 508-7337
- Enumerated
- Aug 23, 2005
- Record last updated
- Jul 31, 2026
- Medicare enrollment
- Enrolled (PECOS I20231017000363); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 60 in Tennessee → Look up another NPI →
Verify Timothy Mark Stout in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 68554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024
236 Medicare Part D claims for 137 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Latanoprost36 claims
- Tobramycin-Dexamethasone36 claims
- Prednisolone Acetate35 claims
- Doxycycline Hyclate19 claims
- Neomycin-Polymyxin-Dexameth12 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): 96.6 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: $4,169.66
13 payments; by number, the most common kind was food and beverage; the largest payer was Daiichi Sankyo Inc. The 1,253 providers of this specialty with any payment received $7,667.49 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
- Summit Medical Group, PLLCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Mark Stout among 60 retina specialist (ophthalmology) physician records in Tennessee
Timothy Mark Stout, MD is one of 60 retina specialist (ophthalmology) physician records with a practice address in Tennessee. 98% 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, 70% newer
- In a Medicare fileYes · 98% of these records are
- In the CMS Doctors and Clinicians fileYes · 92% of these records are
- Graduated1995 · median 2006 among the 55 with a school on file
- Record last updated2026 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in Tennessee
There are 60 retina specialist (ophthalmology) physician records in Tennessee.
All 60 in Tennessee → Every provider in Knoxville → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Nicholas Anderson, M.D.Knoxville, TN 379091972509297
- Jacob Cox, MD, MPHILKnoxville, TN 379091811387061
- Jonathan Fuerst, M.D.Knoxville, TN 379091811421555
- Joseph Googe, M.D.Knoxville, TN 379091366448672
- Ailee Laham, M.D.Knoxville, TN 379091477791143
- Tod McMillan, M.D.Knoxville, TN 379091023014347
- James Miller, M.D.Knoxville, TN 379091710983721
- Stephen Perkins, M.D.Knoxville, TN 379091427054436
Common questions
What is Timothy Mark Stout, MD's NPI number?
Timothy Mark Stout, MD's National Provider Identifier (NPI) is 1316930688, issued on Aug 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Mark Stout, MD located?
The NPPES record lists a practice address at 1400 Dowell Springs Blvd Ste 310, Knoxville, TN, 37909. Phone: (423) 508-7337. Providers update this record themselves, so call before visiting.
How can I verify Timothy Mark Stout, MD's license?
NPPES lists Tennessee license number 68554, 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 Timothy Mark Stout, MD prescribe under Medicare Part D?
In 2024, Timothy Mark Stout, MD had 236 Medicare Part D claims for 137 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
What is Timothy Mark Stout, MD's MIPS final score?
The 2023 MIPS final score is 96.6 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.