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

Dr. Layne R. Christensen, OD

Individual provider Optometrist · NPI 1730125477

Dr. Layne R. Christensen, OD is an Optometry in Grass Valley, California. Graduated from University of California - School of Optometry in 1984, 42 years ago. Practices with Layne R Christensen Optometric Corporation, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
42
Trained at
University of California - School of Optometry
Licensed in
CA
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

2116 Nevada City Hwy
Grass Valley, CA 95945-7702
Phone: (530) 273-4451
Fax: (530) 272-5408
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence SD0079370 (CA)

Record details

NPI number1730125477
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJune 21, 2006
Last updated in NPPESJune 16, 2025
Certification dateJune 16, 2025

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF CALIFORNIA - SCHOOL OF OPTOMETRY
Graduated 1984 (42 years in practice)
Group practice Layne R Christensen Optometric Corporation — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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