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

Dr. John William Karth, MD

Individual provider Ophthalmology Physician · NPI 1588862320

Dr. John William Karth, MD is an Ophthalmology in Eugene, Oregon. Graduated from Johns Hopkins University School of Medicine in 2002, 24 years ago. Practices with Oregon Eye Consultants LLC, an 8-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
24
Trained at
Johns Hopkins University School of Medicine
Licensed in
OR
In the registry since
2007
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

1550 Oak St Ste 7
Eugene, OR 97401-7701
Phone: (541) 687-1927
Fax: (541) 683-8779
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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 MD27623 (OR)
Retina Specialist (Ophthalmology) Physician Taxonomy 207WX0107X · Licence MD27623 (OR)

Record details

NPI number1588862320
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 3, 2007
Last updated in NPPESApril 6, 2017
Mailing address1550 Oak St Ste 7, Eugene, OR 97401-7701

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Oregon Eye Consultants Llc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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