Dereck Alexander
NPI 1134888019 · Clinical Social Worker · Round Rock, TX
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dereck Alexander is a Clinical Social Worker provider in Round Rock, TX (NPI 1134888019).
Provider details
- NPI number
- 1134888019
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- C017412 (NC)
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
4 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)
- 3214 Central AveCharlotte, NC 28205-5882Phone: (773) 242-9333Fax: (773) 242-9333
Registry dates
- Enumerated
- 2021-12-08
- Last updated
- 2025-06-06
- Certified
- 2025-06-06
Frequently asked questions
- What is Dereck Alexander's NPI number?
- Dereck Alexander's National Provider Identifier (NPI) is 1134888019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dereck Alexander's specialty?
- Dereck Alexander is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Dereck Alexander located?
- Dereck Alexander's practice location on file with NPPES is 551 S Interstate 35 Ste 200, Round Rock, TX 78664-2820.
- What is Dereck Alexander's phone number?
- The practice phone number listed in the NPPES registry for Dereck Alexander is (512) 241-7314.
- Does Dereck Alexander accept Medicare?
- Dereck Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dereck Alexander's NPI active?
- Yes — Dereck Alexander's NPI (1134888019) is active in the NPPES registry as of the last update on 2025-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.