Madeleine Nelson, MSW
NPI 1922217538 · Clinical Social Worker · San Leandro, CA
Madeleine Nelson, MSW is a Clinical Social Worker provider in San Leandro, CA (NPI 1922217538).
Provider details
- NPI number
- 1922217538
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCSW05858 (CA)
Specialties & taxonomies
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
19 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
- 2007-05-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Madeleine Nelson's NPI number?
- Madeleine Nelson's National Provider Identifier (NPI) is 1922217538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madeleine Nelson's specialty?
- Madeleine Nelson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Madeleine Nelson located?
- Madeleine Nelson's practice location on file with NPPES is 2500 Fairmont Dr, San Leandro, CA 94578-1006.
- What is Madeleine Nelson's phone number?
- The practice phone number listed in the NPPES registry for Madeleine Nelson is (510) 667-3012.
- Is Madeleine Nelson's NPI active?
- Yes — Madeleine Nelson's NPI (1922217538) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.