NPPES file of Aug 9, 2026

Jennifer D. Markowitz

Clinical Social Worker · Jacksonville, FL

Jennifer D. Markowitz is a clinical social worker with a practice address in Jacksonville, Florida, and NPI 1477256790, issued on Mar 24, 2023. Check the license (Florida SW21121, 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
1477256790
Name
Jennifer D. Markowitz
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
SW21121 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
Mar 24, 2023
Record last updated
Jul 6, 2023
Medicare enrollment
Enrolled (PECOS I20230504000516); 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 clinical social worker records → All 13,458 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 Jennifer D. Markowitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license SW21121    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).

Jennifer D. Markowitz among 13,458 clinical social worker records in Florida

Jennifer D. Markowitz is one of 13,458 clinical social worker records with a practice address in Florida. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 79% of them.

  • NPI issued2023 · 79% of these records are older, 14% newer
  • In a Medicare fileYes · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2015 · median 2010 among the 2,789 with a school on file
  • Record last updated2023 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

667 clinical social worker records list a practice address in Jacksonville

They are 667 of the 24,194 NPPES records with a practice address in Jacksonville, and 13,458 clinical social worker records in Florida.

All 13,458 in Florida → Every provider in Jacksonville → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Jennifer Anderson, LCSWJacksonville, FL 322241982741682
  2. Aida Bernal, LCSWJacksonville, FL 322241427273218
  3. Jennifer Bradstreet, MSWJacksonville, FL 322241396938510
  4. Atiya Day, LCSWJacksonville, FL 322241518024421
  5. Mary Gaines, LCSWJacksonville, FL 322241992966329
  6. Elaine Gustetic, LCSWJacksonville, FL 322241730346651
  7. Rhonda Hylton, LCSWJacksonville, FL 322241386627289
  8. Katherine Lemaster, LCSW, RNJacksonville, FL 322241023015062

Common questions

What is Jennifer D. Markowitz's NPI number?

Jennifer D. Markowitz's National Provider Identifier (NPI) is 1477256790, issued on Mar 24, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer D. Markowitz 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 Jennifer D. Markowitz's license?

NPPES lists Florida license number SW21121, 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.