NPPES file of Aug 9, 2026

William Charles Martin, LCSW

Clinical Social Worker · Marathon, FL

William Charles Martin, LCSW is a clinical social worker with a practice address in Marathon, Florida, and NPI 1891861829, issued on Nov 28, 2006. Check the license (Florida SW 6660, as entered in NPPES) on the Florida health license search; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1891861829
Name
William Charles Martin
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
SW 6660 FL
LCS 21181 CA
Self-reported in NPPES; status is on the state search
Practice location
11400 Overseas Hwy Ste 224, Marathon, FL 33050
Phone
(305) 906-0238
Enumerated
Nov 28, 2006
Record last updated
Apr 17, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(305) 434-9040
Medicare enrollment
Enrolled (PECOS I20130912000808); accepts Medicare assignment
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 11400 Overseas Hwy Ste 224

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

  1. Jessica Soto, MSWClinical Social Worker1538814827

Verify William Charles Martin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license SW 6660    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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William Charles Martin among 13,458 clinical social worker records in Florida

William Charles Martin, LCSW 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 not. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 90% newer
  • In a Medicare fileNo · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated1998 · median 2010 among the 2,789 with a school on file
  • Record last updated2013 · 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).

4 clinical social worker records list a practice address in Marathon

They are 4 of the 258 NPPES records with a practice address in Marathon, and 13,458 clinical social worker records in Florida. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 clinical social worker records with the nearest ZIP codes

  1. Lois Babb, LCSWMarathon, FL 330501700095601
  2. Jennifer LopezMarathon, FL 330501366381204
  3. Jessica Soto, MSWMarathon, FL 330501538814827
  4. Brent Dudley, LCSWOpa Locka, FL 330541912529256
  5. Ciara FoleyOpa Locka, FL 330541790631505
  6. Candance Morley, LCSWOpa Locka, FL 330541346640851
  7. Emerald Reese, LCSWMiami Gardens, FL 330541235860297
  8. Dehja RileyMiami Gardens, FL 330541609737501

Common questions

What is William Charles Martin, LCSW's NPI number?

William Charles Martin, LCSW's National Provider Identifier (NPI) is 1891861829, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Charles Martin, LCSW located?

The NPPES record lists a practice address at 11400 Overseas Hwy Ste 224, Marathon, FL, 33050. Phone: (305) 906-0238. Providers update this record themselves, so call before visiting.

How can I verify William Charles Martin, LCSW's license?

NPPES lists Florida license number SW 6660, 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. 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.