California Allergy Institute, Inc.
NPI 1437963725 · Allergy & Immunology Physician · Thousand Oaks, CA
California Allergy Institute, Inc. is a Allergy & Immunology Physician organization in Thousand Oaks, CA (NPI 1437963725).
Provider details
- NPI number
- 1437963725
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Houshang Farhadian, MD(888) 367-1850
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
1 yr 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
Other names (DBA / former)
- Doing business as
- California Allergy Institute
Registry dates
- Enumerated
- 2025-02-05
- Last updated
- 2025-02-12
- Certified
- 2025-02-12
Frequently asked questions
- What is California Allergy Institute, Inc.'s NPI number?
- California Allergy Institute, Inc.'s National Provider Identifier (NPI) is 1437963725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is California Allergy Institute, Inc.?
- California Allergy Institute, Inc. is classified in the NPPES registry as Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is California Allergy Institute, Inc. located?
- California Allergy Institute, Inc.'s practice location on file with NPPES is 3095 Old Conejo Rd Ste 400, Thousand Oaks, CA 91320-2130.
- What is California Allergy Institute, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for California Allergy Institute, Inc. is (888) 367-1850.
- Who is the authorized official for California Allergy Institute, Inc.?
- The authorized official listed on California Allergy Institute, Inc.'s NPPES record is Houshang Farhadian, MD. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is California Allergy Institute, Inc.'s NPI active?
- Yes — California Allergy Institute, Inc.'s NPI (1437963725) is active in the NPPES registry as of the last update on 2025-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.