Madeline Serb
NPI 1306649512 · Marriage & Family Therapist · Walnut Creek, CA
Madeline Serb is a Marriage & Family Therapist provider in Walnut Creek, CA (NPI 1306649512).
Provider details
- NPI number
- 1306649512
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 144508 (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
1 yr 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
- 2025-03-31
- Last updated
- 2025-04-04
- Certified
- 2025-04-04
Frequently asked questions
- What is Madeline Serb's NPI number?
- Madeline Serb's National Provider Identifier (NPI) is 1306649512, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madeline Serb's specialty?
- Madeline Serb is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Madeline Serb located?
- Madeline Serb's practice location on file with NPPES is 370 N Wiget Ln Ste 100, Walnut Creek, CA 94598-2454.
- What is Madeline Serb's phone number?
- The practice phone number listed in the NPPES registry for Madeline Serb is (925) 658-3935.
- Is Madeline Serb's NPI active?
- Yes — Madeline Serb's NPI (1306649512) is active in the NPPES registry as of the last update on 2025-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.