IndividualActive
Madeleine Marcus, LCSW
NPI 1285835942 · Clinical Social Worker · Hayward, CA
Madeleine Marcus, LCSW is a Clinical Social Worker provider in Hayward, CA (NPI 1285835942).
Provider details
- NPI number
- 1285835942
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCSW 4106 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
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
22455 Maple Ct
Suite 402
Hayward, CA 94541-4020
Phone: (510) 582-0148
Fax: (510) 582-8460
Street-level locationGet directions
Mailing address
22455 Maple Ct
Hayward, CA 94541-4020
Registry dates
- Enumerated
- 2007-05-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Madeleine Marcus's NPI number?
- Madeleine Marcus's National Provider Identifier (NPI) is 1285835942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madeleine Marcus's specialty?
- Madeleine Marcus is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Madeleine Marcus located?
- Madeleine Marcus's practice location on file with NPPES is 22455 Maple Ct, Hayward, CA 94541-4020.
- What is Madeleine Marcus's phone number?
- The practice phone number listed in the NPPES registry for Madeleine Marcus is (510) 582-0148.
- Is Madeleine Marcus's NPI active?
- Yes — Madeleine Marcus's NPI (1285835942) 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.