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

Dr. Clayton A Olash

Individual provider Psychiatry Physician · NPI 1699357756

Dr. Clayton A Olash is a Psychiatry Physician in Charleston, South Carolina. Practices as a sole proprietor. Licensed in South Carolina.

Licensed in
SC
In the registry since
2021

Practice location Address checks out

171 Ashley Ave
Charleston, SC 29425-1702
Phone: (502) 377-8275
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence LL90214 (SC)

Record details

NPI number1699357756
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedApril 27, 2021
Last updated in NPPESJune 10, 2025
Certification dateJune 10, 2025

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