NPPES file of Aug 9, 2026

Nikki Messer, LCSW

Social Worker · Jacksonville, FL

Nikki Messer, LCSW is a social worker with a practice address in Jacksonville, Florida, and NPI 1851909337, issued on Jul 21, 2020. Check the license (Florida SW22290, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851909337
Name
Nikki Messer
Credential
LCSW
Primary taxonomy
Social Worker 104100000X
License number
SW22290 FL
Self-reported in NPPES; status is on the state search
Practice location
4500 San Pablo RD S, Jacksonville, FL 32224
Phone
(904) 953-2000
Enumerated
Jul 21, 2020
Record last updated
Dec 24, 2024
Medicare enrollment
Enrolled (PECOS I20231203000130); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest social worker records → All 5,470 in Florida → Look up another NPI →

Also registered at 4500 San Pablo RD S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Abarbanel, MDNeurology Physician1598298242
  2. Ejigayehu Abate, MDEndocrinology, Diabetes & Metabolism Physician1679615116
  3. Suhny Abbara, MDDiagnostic Radiology Physician1538150180
  4. Sara Abbas, PA-CPhysician Assistant1356121206
  5. Carol Abbott, ARNP, FNP-CNurse Practitioner1629427240
  6. Zaid Abdel Rahman, M.D.Hematology (Internal Medicine) Physician1003299330

Verify Nikki Messer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license SW22290    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Mayo Clinic JacksonvilleJacksonville, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nikki Messer among 5,470 social worker records in Florida

Nikki Messer, LCSW is one of 5,470 social worker records with a practice address in Florida. 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 71% of them.

  • NPI issued2020 · 71% of these records are older, 25% newer
  • In a Medicare fileYes · 1% of these records are
  • In the CMS Doctors and Clinicians fileYes · 2% of these records are
  • Graduated2019 · median 2013 among the 121 with a school on file
  • Record last updated2024 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

294 social worker records list a practice address in Jacksonville

They are 294 of the 24,194 NPPES records with a practice address in Jacksonville, and 5,470 social worker records in Florida.

All 5,470 in Florida → Every provider in Jacksonville → Social Worker nationwide →

The 8 social worker records with the nearest ZIP codes

  1. Bellanid FonsecaJacksonville, FL 322241629459375
  2. Sarah Hindle Williams, MSW, LCSWJacksonville, FL 322241598181489
  3. Tricia Reese, MSWJacksonville, FL 322241619772894
  4. Alyssa RileyJacksonville, FL 322241245000132
  5. Rayven Turner, BSWJacksonville, FL 322241740108620
  6. Katrinka BelfordJacksonville, FL 322251295106656
  7. Tiana DeasJacksonville, FL 322251710374541
  8. Shecolby SimsJacksonville, FL 322251356826549

Common questions

What is Nikki Messer, LCSW's NPI number?

Nikki Messer, LCSW's National Provider Identifier (NPI) is 1851909337, issued on Jul 21, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Nikki Messer, LCSW located?

The NPPES record lists a practice address at 4500 San Pablo RD S, Jacksonville, FL, 32224. Phone: (904) 953-2000. Providers update this record themselves, so call before visiting.

How can I verify Nikki Messer, LCSW's license?

NPPES lists Florida license number SW22290, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.