Ionna Henderson
NPI 1952256711 · Professional Counselor · San Rafael, CA
Ionna Henderson is a Professional Counselor provider in San Rafael, CA (NPI 1952256711).
Provider details
- NPI number
- 1952256711
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- APCC-14790 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
Under 1 yr in 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
- 2026-02-26
- Last updated
- 2026-02-26
- Certified
- 2026-02-26
Frequently asked questions
- What is Ionna Henderson's NPI number?
- Ionna Henderson's National Provider Identifier (NPI) is 1952256711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ionna Henderson's specialty?
- Ionna Henderson is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Ionna Henderson located?
- Ionna Henderson's practice location on file with NPPES is Po Box 4301, San Rafael, CA 94913-4301.
- What is Ionna Henderson's phone number?
- The practice phone number listed in the NPPES registry for Ionna Henderson is (909) 906-3199.
- Is Ionna Henderson's NPI active?
- Yes — Ionna Henderson's NPI (1952256711) is active in the NPPES registry as of the last update on 2026-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.