Clay Mattox
NPI 1538795091 · Mental Health Counselor · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clay Mattox is a Mental Health Counselor provider in Oklahoma City, OK (NPI 1538795091).
Provider details
- NPI number
- 1538795091
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- 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
6 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
- 2020-03-17
- Last updated
- 2020-03-24
- Certified
- 2020-03-24
Frequently asked questions
- What is Clay Mattox's NPI number?
- Clay Mattox's National Provider Identifier (NPI) is 1538795091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clay Mattox's specialty?
- Clay Mattox is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Clay Mattox located?
- Clay Mattox's practice location on file with NPPES is 4130 N Lincoln Blvd, Oklahoma City, OK 73105-5209.
- What is Clay Mattox's phone number?
- The practice phone number listed in the NPPES registry for Clay Mattox is (405) 267-3246.
- Does Clay Mattox accept Medicare?
- Clay Mattox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clay Mattox's NPI active?
- Yes — Clay Mattox's NPI (1538795091) is active in the NPPES registry as of the last update on 2020-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.