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

Harold R. Smith, MD, Inc

Organization Neurology Physician · NPI 1932326022

Harold R. Smith, MD, Inc is a Neurology Physician in Irvine, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

4199 Campus Dr Ste 350
Irvine, CA 92612-4690
Phone: (949) 509-7726
Fax: (949) 509-7834
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Sleep Medicine (Psychiatry & Neurology) Physician (primary) Taxonomy 2084S0012X · Licence G43052 (CA)
Neurology Physician Taxonomy 2084N0400X · Licence G43052 (CA)

Record details

NPI number1932326022
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Harold Smith — President · (949) 509-7726
NPI enumeratedApril 19, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address4199 Campus Dr Ste 350, Irvine, CA 92612-4690

Other providers in Irvine