Jonnie Williams, PSY.D.
NPI 1912281635 · Psychologist · Santa Barbara, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonnie Williams, PSY.D. is a Psychologist provider in Santa Barbara, CA (NPI 1912281635).
Provider details
- NPI number
- 1912281635
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 30219 (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
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 4141 State St Ste A1Santa Barbara, CA 93110-1850Phone: (805) 681-7356
Registry dates
- Enumerated
- 2011-09-29
- Last updated
- 2018-07-24
Frequently asked questions
- What is Jonnie Williams's NPI number?
- Jonnie Williams's National Provider Identifier (NPI) is 1912281635, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonnie Williams's specialty?
- Jonnie Williams is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Jonnie Williams located?
- Jonnie Williams's practice location on file with NPPES is 4141 State St Ste B11, Santa Barbara, CA 93110-1898.
- What is Jonnie Williams's phone number?
- The practice phone number listed in the NPPES registry for Jonnie Williams is (805) 681-7356.
- Does Jonnie Williams accept Medicare?
- Jonnie Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonnie Williams's NPI active?
- Yes — Jonnie Williams's NPI (1912281635) is active in the NPPES registry as of the last update on 2018-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.