Madelyn Seder, MSW
NPI 1043804396 · Clinical Social Worker · San Francisco, CA
Madelyn Seder, MSW is a Clinical Social Worker provider in San Francisco, CA (NPI 1043804396).
Provider details
- NPI number
- 1043804396
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
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
5 yrs 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
- 2021-02-26
- Last updated
- 2021-02-26
- Certified
- 2021-02-26
Frequently asked questions
- What is Madelyn Seder's NPI number?
- Madelyn Seder's National Provider Identifier (NPI) is 1043804396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madelyn Seder's specialty?
- Madelyn Seder is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Madelyn Seder located?
- Madelyn Seder's practice location on file with NPPES is 1919 Grant Ave, San Francisco, CA 94133-2017.
- What is Madelyn Seder's phone number?
- The practice phone number listed in the NPPES registry for Madelyn Seder is (909) 294-9382.
- Is Madelyn Seder's NPI active?
- Yes — Madelyn Seder's NPI (1043804396) is active in the NPPES registry as of the last update on 2021-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.