IndividualActive
Cissy Swiernik
NPI 1124839154 · Marriage & Family Therapist · Danville, CA
Cissy Swiernik is a Marriage & Family Therapist provider in Danville, CA (NPI 1124839154).
Provider details
- NPI number
- 1124839154
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(49/100 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
301 Hartz Ave Ste 207
Danville, CA 94526-3328
Phone: (925) 232-1130
Street-level locationGet directions
Mailing address
26 Fraser Dr
Walnut Creek, CA 94596-5426
Registry dates
- Enumerated
- 2025-01-17
- Last updated
- 2025-01-17
- Certified
- 2025-01-17
Frequently asked questions
- What is Cissy Swiernik's NPI number?
- Cissy Swiernik's National Provider Identifier (NPI) is 1124839154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cissy Swiernik's specialty?
- Cissy Swiernik is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Cissy Swiernik located?
- Cissy Swiernik's practice location on file with NPPES is 301 Hartz Ave Ste 207, Danville, CA 94526-3328.
- What is Cissy Swiernik's phone number?
- The practice phone number listed in the NPPES registry for Cissy Swiernik is (925) 232-1130.
- Is Cissy Swiernik's NPI active?
- Yes — Cissy Swiernik's NPI (1124839154) is active in the NPPES registry as of the last update on 2025-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.