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

Dr. John Zelnar, OD

Individual provider Optometrist · NPI 1376502807

Dr. John Zelnar, OD is an Optometrist in Klamath Falls, Oregon. Licensed in Oregon. Registered with an NPI since 2006.

Licensed in
OR
In the registry since
2006
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

2640 Biehn St
Klamath Falls, OR 97601-1181
Phone: (541) 884-3148
Fax: (541) 884-3373
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 1333T (OR)

Record details

NPI number1376502807
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedMarch 22, 2006
Last updated in NPPESJuly 27, 2010
Mailing address2640 Biehn St, Klamath Falls, OR 97601-1181

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