Joanna Illing
NPI 1023853082 · Marriage & Family Therapist · El Cerrito, CA
Joanna Illing is a Marriage & Family Therapist provider in El Cerrito, CA (NPI 1023853082).
Provider details
- NPI number
- 1023853082
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
- Community Health Worker172V00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2024-07-01
- Last updated
- 2024-11-22
- Certified
- 2024-11-22
Frequently asked questions
- What is Joanna Illing's NPI number?
- Joanna Illing's National Provider Identifier (NPI) is 1023853082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Illing's specialty?
- Joanna Illing is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Joanna Illing located?
- Joanna Illing's practice location on file with NPPES is 11175 San Pablo Ave, El Cerrito, CA 94530-2157.
- What is Joanna Illing's phone number?
- The practice phone number listed in the NPPES registry for Joanna Illing is (510) 559-5550.
- Is Joanna Illing's NPI active?
- Yes — Joanna Illing's NPI (1023853082) is active in the NPPES registry as of the last update on 2024-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.