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

Thc - Orange County, LLC

Organization General Practice Physician · NPI 1578795738

Thc - Orange County, LLC is a General Practice Physician in Ontario, California. Registered with an NPI since 2009.

In the registry since
2009
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

550 N Monterey Ave
Ontario, CA 91764
Phone: (909) 391-0333
Fax: (909) 391-2892
Show map & directions

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

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X

Record details

NPI number1578795738
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mostafa Darvish — Executive Director · (714) 893-4541
NPI enumeratedAugust 20, 2009
Last updated in NPPESJuly 19, 2018
Mailing address550 N Monterey Ave, Ontario, CA 91764-3318

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