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

Dr. Louis Clayton Simpson Jr., MD

Individual provider Psychiatry Physician · NPI 1710012695

Dr. Louis Clayton Simpson Jr., MD is a Psychiatry Physician in Los Angeles, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

3756 Santa Rosalia Dr
Los Angeles, CA 90008-3606
Phone: (323) 299-1262
Fax: (323) 299-1273
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence A25794 (CA)

Record details

NPI number1710012695
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 22, 2007
Last updated in NPPESMarch 7, 2023

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