Denise Mershon, LCSW
NPI 1023597499 · Clinical Social Worker · St Augustine, FL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denise Mershon, LCSW is a Clinical Social Worker provider in St Augustine, FL (NPI 1023597499).
Provider details
- NPI number
- 1023597499
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 65198 (TX)
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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 105 Kathryn Dr Ste DLewisville, TX 75067-4200Phone: (800) 972-0643Fax: (214) 279-5032
- 3601 Smartt StRowlett, TX 75088-4991Phone: (732) 744-6277
Registry dates
- Enumerated
- 2018-08-07
- Last updated
- 2024-10-18
- Certified
- 2024-10-18
Frequently asked questions
- What is Denise Mershon's NPI number?
- Denise Mershon's National Provider Identifier (NPI) is 1023597499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Mershon's specialty?
- Denise Mershon is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Denise Mershon located?
- Denise Mershon's practice location on file with NPPES is 1880 San Sebastian Vw, St Augustine, FL 32084-8684.
- What is Denise Mershon's phone number?
- The practice phone number listed in the NPPES registry for Denise Mershon is (800) 539-4228.
- Does Denise Mershon accept Medicare?
- Denise Mershon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denise Mershon's NPI active?
- Yes — Denise Mershon's NPI (1023597499) is active in the NPPES registry as of the last update on 2024-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.