Valerie Sonnikson, LMFT
NPI 1225318801 · Marriage & Family Therapist · Walnut Creek, CA
Valerie Sonnikson, LMFT is a Marriage & Family Therapist provider in Walnut Creek, CA (NPI 1225318801).
Provider details
- NPI number
- 1225318801
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- No
- License
- IMF 67149 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1480 Lincoln AveSan Rafael, CA 94901-2084Phone: (415) 456-7724
Registry dates
- Enumerated
- 2011-08-26
- Last updated
- 2021-06-29
- Certified
- 2021-06-29
Frequently asked questions
- What is Valerie Sonnikson's NPI number?
- Valerie Sonnikson's National Provider Identifier (NPI) is 1225318801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Valerie Sonnikson's specialty?
- Valerie Sonnikson is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Valerie Sonnikson located?
- Valerie Sonnikson's practice location on file with NPPES is 2730 Shadelands Dr Bldg 10, Walnut Creek, CA 94598-2538.
- What is Valerie Sonnikson's phone number?
- The practice phone number listed in the NPPES registry for Valerie Sonnikson is (408) 455-7820.
- Is Valerie Sonnikson's NPI active?
- Yes — Valerie Sonnikson's NPI (1225318801) is active in the NPPES registry as of the last update on 2021-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.