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

Dr. Gregory S Koenig, OD

Individual provider Optometrist · NPI 1255301388

Dr. Gregory S Koenig, OD is an Optometry in Fernley, Nevada. Graduated from Pacific University - College of Optometry in 1996, 30 years ago. Practices with Robertson and Koenig Ltd, a 5-clinician group and accepts Medicare assignment. Licensed in Nevada.

Years since qualifying
30
Trained at
Pacific University - College of Optometry
Licensed in
NV
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

415 US Highway 95A S Ste 101
Fernley, NV 89408-9007
Phone: (775) 575-1966
Fax: (775) 575-1967
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 321 (NV)

Record details

NPI number1255301388
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJanuary 23, 2006
Last updated in NPPESJune 10, 2008

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolPACIFIC UNIVERSITY - COLLEGE OF OPTOMETRY
Graduated 1996 (30 years in practice)
Group practice Robertson And Koenig Ltd — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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