Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mark Ellsworth Kleinman, MD

Individual provider Ophthalmology Physician · NPI 1063676310

Dr. Mark Ellsworth Kleinman, MD is an Ophthalmology in Kingsport, Tennessee. Graduated from New York University School of Medicine in 2005, 21 years ago. Practices with Southeastern Retina Associates PC, a 21-clinician group and accepts Medicare assignment. Licensed in Kentucky.

Years since qualifying
21
Trained at
New York University School of Medicine
Licensed in
KY
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2412 N John B Dennis Hwy
Kingsport, TN 37660-4772
Phone: (423) 578-4364
Fax: (423) 578-4372
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Retina Specialist (Ophthalmology) Physician (primary) Taxonomy 207WX0107X · Licence 44136 (KY)
Ophthalmology Physician Taxonomy 207W00000X · Licence 44136 (KY)

Record details

NPI number1063676310
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 16, 2008
Last updated in NPPESNovember 4, 2025
Certification dateNovember 4, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Southeastern Retina Associates Pc — 21 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Kingsport