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

Dr. Louis Arthur Klein, MD

Individual provider Specialist · NPI 1598877698

Dr. Louis Arthur Klein, MD is a Specialist in Walnut Creek, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1776 Ygnacio Valley Rd Ste 201
Walnut Creek, CA 94598-3125
Phone: (925) 937-0995
Fax: (925) 937-3918
Show map & directions

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

Specialties & licences

Independent Medical Examiner Physician (primary) Taxonomy 202C00000X · Licence G21120 (CA)
Specialist Taxonomy 174400000X · Licence 94598-3012 (CA)

Record details

NPI number1598877698
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 31, 2006
Last updated in NPPESJune 5, 2024
Certification dateJune 5, 2024

Other providers in Walnut Creek