Thc - Orange County, LLC
NPI 1578795738 · General Practice Physician · Ontario, CA
Thc - Orange County, LLC is a General Practice Physician organization in Ontario, CA (NPI 1578795738).
Provider details
- NPI number
- 1578795738
- Entity type
- Organization
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mostafa Darvish, Executive Director(714) 893-4541
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-08-20
- Last updated
- 2018-07-19
Frequently asked questions
- What is Thc - Orange County, LLC's NPI number?
- Thc - Orange County, LLC's National Provider Identifier (NPI) is 1578795738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Thc - Orange County, LLC?
- Thc - Orange County, LLC is classified in the NPPES registry as General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Thc - Orange County, LLC located?
- Thc - Orange County, LLC's practice location on file with NPPES is 550 N Monterey Ave, Ontario, CA 91764.
- What is Thc - Orange County, LLC's phone number?
- The practice phone number listed in the NPPES registry for Thc - Orange County, LLC is (909) 391-0333.
- Who is the authorized official for Thc - Orange County, LLC?
- The authorized official listed on Thc - Orange County, LLC's NPPES record is Mostafa Darvish, Executive Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Thc - Orange County, LLC's NPI active?
- Yes — Thc - Orange County, LLC's NPI (1578795738) is active in the NPPES registry as of the last update on 2018-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.