Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Nikki Messer, LCSW

Individual provider Social Worker · NPI 1851909337

Nikki Messer, LCSW is a Clinical Social Worker in Jacksonville, Florida. Qualified in 2019, 7 years ago. Practices with Mayo Clinic Jacksonville, a 1,581-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Florida.

Years since qualifying
7
Licensed in
FL
In the registry since
2020
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

4500 San Pablo Rd S
Jacksonville, FL 32224-1865
Phone: (904) 953-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 10961 Burnt Mill Rd Apt 1021, Jacksonville, FL 32256-4662 — (717) 538-8744

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence SW22290 (FL)

Record details

NPI number1851909337
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJuly 21, 2020
Last updated in NPPESDecember 24, 2024
Certification dateDecember 24, 2024
Mailing address4500 San Pablo Rd S, Jacksonville, FL 32224-1865

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Mayo Clinic Jacksonville — 1581 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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