Sydney Casey
NPI 1144849944 · Clinical Social Worker · Petaluma, CA
Sydney Casey is a Clinical Social Worker provider in Petaluma, CA (NPI 1144849944).
Provider details
- NPI number
- 1144849944
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 133351 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Behavior Technician106S00000X
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
6 yrs 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
Registry dates
- Enumerated
- 2020-04-11
- Last updated
- 2025-10-21
- Certified
- 2025-10-21
Frequently asked questions
- What is Sydney Casey's NPI number?
- Sydney Casey's National Provider Identifier (NPI) is 1144849944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Casey's specialty?
- Sydney Casey is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sydney Casey located?
- Sydney Casey's practice location on file with NPPES is 1670 Corporate Cir Ste 100, Petaluma, CA 94954-6947.
- What is Sydney Casey's phone number?
- The practice phone number listed in the NPPES registry for Sydney Casey is (707) 308-2121.
- Is Sydney Casey's NPI active?
- Yes — Sydney Casey's NPI (1144849944) is active in the NPPES registry as of the last update on 2025-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.