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

Dr. Mark Y. Ivens, MD

Individual provider Ophthalmology Physician · NPI 1821070103

Dr. Mark Y. Ivens, MD is an Ophthalmology Physician in Knoxville, Tennessee. Licensed in Tennessee. Registered with an NPI since 2005.

Licensed in
TN
In the registry since
2005
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

4528 Chapman Hwy
Knoxville, TN 37920-4359
Phone: (865) 579-3920
Fax: (865) 579-3918
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence MD11712 (TN)

Record details

NPI number1821070103
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 14, 2005
Last updated in NPPESJune 22, 2020
Certification dateJune 22, 2020

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