Mark Ellsworth Kleinman, M.D.
Retina Specialist (Ophthalmology) Physician · Kingsport, TN
Mark Ellsworth Kleinman, M.D. is a retina specialist (ophthalmology) physician with a practice address in Kingsport, Tennessee, and NPI 1063676310, issued on Jul 16, 2008. Check the license on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Ellsworth Kleinman
- Credential
- M.D.
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License number
- 44136 KY
Self-reported in NPPES; status is on the state search - Practice location
- 2412 N John B Dennis Hwy, Kingsport, TN 37660
- Phone
- (423) 578-4364
- Enumerated
- Jul 16, 2008
- Record last updated
- Nov 4, 2025
- Fax
- (423) 578-4372
- Medicaid ID
- 7100169870 KY
- Medicare enrollment
- Enrolled (PECOS I20181129000198); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 60 in Tennessee → Look up another NPI →
Also registered at 2412 N John B Dennis Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Claxton Baer, M.D.Ophthalmology Physician1144255100
- David Couch, M.D.Retina Specialist (Ophthalmology) Physician1659377679
- Howard Cummings, M.D.Retina Specialist (Ophthalmology) Physician1669478996
- Joseph Gunn, M.D.Retina Specialist (Ophthalmology) Physician1316943640
- Cristoforo Larzo, M.D.Retina Specialist (Ophthalmology) Physician1205803285
- Michael Magee, M.D.Retina Specialist (Ophthalmology) Physician1134120868
Verify Mark Ellsworth Kleinman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average retina specialist (ophthalmology) physician in 2024
2,052 Medicare Part D claims for 498 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
- Prednisolone Acetate722 claims
- Dorzolamide-Timolol333 claims
- Brimonidine Tartrate194 claims
- Latanoprost178 claims
- Neomycin-Polymyxin-Dexameth173 claims
- Polymyxin B Sul-Trimethoprim162 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): 96.3 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: $618.84
14 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, 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
- Southeastern Retina Associates PCAbingdon, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Ellsworth Kleinman among 60 retina specialist (ophthalmology) physician records in Tennessee
Mark Ellsworth Kleinman, M.D. 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 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 42% newer
- In a Medicare fileYes · 98% of these records are
- In the CMS Doctors and Clinicians fileYes · 92% of these records are
- Graduated2005 · median 2006 among the 55 with a school on file
- Record last updated2025 · 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 Kingsport → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- David Couch, M.D.Kingsport, TN 376601659377679
- Howard Cummings, M.D.Kingsport, TN 376601669478996
- Joseph Gunn, M.D.Kingsport, TN 376601316943640
- Cristoforo Larzo, M.D.Kingsport, TN 376601205803285
- Michael Magee, M.D.Kingsport, TN 376601134120868
- Thomas Browning, M.D.Harriman, TN 377481467457804
- Matthew Lowrance, DOLenoir City, TN 377721417284647
- Randall Funderburk, MDChattanooga, TN 374211699771931
Common questions
What is Mark Ellsworth Kleinman, M.D.'s NPI number?
Mark Ellsworth Kleinman, M.D.'s National Provider Identifier (NPI) is 1063676310, issued on Jul 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark Ellsworth Kleinman, M.D. located?
The NPPES record lists a practice address at 2412 N John B Dennis Hwy, Kingsport, TN, 37660. Phone: (423) 578-4364. Providers update this record themselves, so call before visiting.
How can I verify Mark Ellsworth Kleinman, M.D.'s license?
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 Mark Ellsworth Kleinman, M.D. prescribe under Medicare Part D?
In 2024, Mark Ellsworth Kleinman, M.D. had 2,052 Medicare Part D claims for 498 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
What is Mark Ellsworth Kleinman, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.3 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.