IndividualActive
Sierra Saizan
NPI 1699120121 · Mental Health Counselor · Corona, CA
Sierra Saizan is a Mental Health Counselor provider in Corona, CA (NPI 1699120121).
Provider details
- NPI number
- 1699120121
- 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
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs 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
2275 S Main St Ste 201
Corona, CA 92882-5303
Phone: (951) 279-3222
Fax: (951) 279-5222
Street-level locationGet directions
Mailing address
1173 E Hollyvale St Apt 12
Azusa, CA 91702-4118
Registry dates
- Enumerated
- 2016-05-03
- Last updated
- 2016-05-03
Frequently asked questions
- What is Sierra Saizan's NPI number?
- Sierra Saizan's National Provider Identifier (NPI) is 1699120121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Saizan's specialty?
- Sierra Saizan is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Sierra Saizan located?
- Sierra Saizan's practice location on file with NPPES is 2275 S Main St Ste 201, Corona, CA 92882-5303.
- What is Sierra Saizan's phone number?
- The practice phone number listed in the NPPES registry for Sierra Saizan is (951) 279-3222.
- Is Sierra Saizan's NPI active?
- Yes — Sierra Saizan's NPI (1699120121) is active in the NPPES registry as of the last update on 2016-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.