Joy Williams, M.S., PH.D.
NPI 1790814598 · Clinical Psychologist · Norman, OK
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joy Williams, M.S., PH.D. is a Clinical Psychologist provider in Norman, OK (NPI 1790814598).
Provider details
- NPI number
- 1790814598
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- M.S., PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4868 (OK)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
19 yrs 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
- 2007-03-05
- Last updated
- 2020-08-24
- Certified
- 2020-08-24
Frequently asked questions
- What is Joy Williams's NPI number?
- Joy Williams's National Provider Identifier (NPI) is 1790814598, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joy Williams's specialty?
- Joy Williams is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Joy Williams located?
- Joy Williams's practice location on file with NPPES is 3280 Marshall Ave, Norman, OK 73072-8022.
- What is Joy Williams's phone number?
- The practice phone number listed in the NPPES registry for Joy Williams is (615) 414-5431.
- Does Joy Williams accept Medicare?
- Joy Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joy Williams's NPI active?
- Yes — Joy Williams's NPI (1790814598) is active in the NPPES registry as of the last update on 2020-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.