Karla Diaz Serrano
NPI 1811645906 · Marriage & Family Therapist · Oakland, CA
Karla Diaz Serrano is a Marriage & Family Therapist provider in Oakland, CA (NPI 1811645906).
Provider details
- NPI number
- 1811645906
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- 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
4 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
- 2022-03-17
- Last updated
- 2022-03-17
- Certified
- 2022-03-17
Frequently asked questions
- What is Karla Diaz Serrano's NPI number?
- Karla Diaz Serrano's National Provider Identifier (NPI) is 1811645906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karla Diaz Serrano's specialty?
- Karla Diaz Serrano is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Karla Diaz Serrano located?
- Karla Diaz Serrano's practice location on file with NPPES is 3800 Coolidge Ave, Oakland, CA 94602-3311.
- What is Karla Diaz Serrano's phone number?
- The practice phone number listed in the NPPES registry for Karla Diaz Serrano is (510) 482-2244.
- Is Karla Diaz Serrano's NPI active?
- Yes — Karla Diaz Serrano's NPI (1811645906) is active in the NPPES registry as of the last update on 2022-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.