Nikki Messer, LCSW
NPI 1851909337 · Social Worker · Jacksonville, FL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nikki Messer, LCSW is a Social Worker provider in Jacksonville, FL (NPI 1851909337).
Provider details
- NPI number
- 1851909337
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- SW22290 (FL)
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
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)
- 10961 Burnt Mill Rd Apt 1021Jacksonville, FL 32256-4662Phone: (717) 538-8744Fax: (561) 404-4735
Registry dates
- Enumerated
- 2020-07-21
- Last updated
- 2024-12-24
- Certified
- 2024-12-24
Frequently asked questions
- What is Nikki Messer's NPI number?
- Nikki Messer's National Provider Identifier (NPI) is 1851909337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nikki Messer's specialty?
- Nikki Messer is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Nikki Messer located?
- Nikki Messer's practice location on file with NPPES is 4500 San Pablo Rd S, Jacksonville, FL 32224-1865.
- What is Nikki Messer's phone number?
- The practice phone number listed in the NPPES registry for Nikki Messer is (904) 953-2000.
- Does Nikki Messer accept Medicare?
- Nikki Messer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nikki Messer's NPI active?
- Yes — Nikki Messer's NPI (1851909337) is active in the NPPES registry as of the last update on 2024-12-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.