Catherine Stamnes
NPI 1821889379 · Clinical Social Worker · San Leandro, CA
Catherine Stamnes is a Clinical Social Worker provider in San Leandro, CA (NPI 1821889379).
Provider details
- NPI number
- 1821889379
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Social Worker1041C0700X
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2025-05-14
- Last updated
- 2025-06-25
- Certified
- 2025-06-25
Frequently asked questions
- What is Catherine Stamnes's NPI number?
- Catherine Stamnes's National Provider Identifier (NPI) is 1821889379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Stamnes's specialty?
- Catherine Stamnes is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Catherine Stamnes located?
- Catherine Stamnes's practice location on file with NPPES is 400 Estudillo Ave Ste 100, San Leandro, CA 94577-4962.
- What is Catherine Stamnes's phone number?
- The practice phone number listed in the NPPES registry for Catherine Stamnes is (510) 924-0548.
- Is Catherine Stamnes's NPI active?
- Yes — Catherine Stamnes's NPI (1821889379) is active in the NPPES registry as of the last update on 2025-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.