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Isabel Seife
NPI 1851195465 · Mental Health Counselor · Thousand Oaks, CA
Isabel Seife is a Mental Health Counselor provider in Thousand Oaks, CA (NPI 1851195465).
Provider details
- NPI number
- 1851195465
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(48/100 index)
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
83% 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
145 Erten St
Thousand Oaks, CA 91360-1810
Phone: (650) 391-7974
Street-level locationGet directions
Mailing address
29406 Bertrand Dr
Agoura Hills, CA 91301-4126
Registry dates
- Enumerated
- 2025-04-02
- Last updated
- 2025-04-02
- Certified
- 2025-04-02
Frequently asked questions
- What is Isabel Seife's NPI number?
- Isabel Seife's National Provider Identifier (NPI) is 1851195465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabel Seife's specialty?
- Isabel Seife is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Isabel Seife located?
- Isabel Seife's practice location on file with NPPES is 145 Erten St, Thousand Oaks, CA 91360-1810.
- What is Isabel Seife's phone number?
- The practice phone number listed in the NPPES registry for Isabel Seife is (650) 391-7974.
- Is Isabel Seife's NPI active?
- Yes — Isabel Seife's NPI (1851195465) is active in the NPPES registry as of the last update on 2025-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.