Doctor profile · Federal record

Dr. William Martin, LCSW

Clinical Social Worker · Clinical Social Worker · Marathon, FL

  • NPI 1891861829
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11400 Overseas Hwy Ste 224
Marathon, FL 330503600
(305) 906-0238
fax (305) 434-9040

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
April 17, 2013
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State licenses (2)
Florida #SW 6660 · California #LCS 21181

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891861829. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
569
Distinct HCPCS
1
Medicare allowed
$63,891
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 569 17 $112

In context: peer comparison

Among 1 peers in Marathon Clinical Social Worker, average services per provider: 569. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William Martin's medical specialty?
Dr. William Martin practices Clinical Social Worker in Marathon, FL.
Where does Dr. William Martin practice?
Dr. William Martin practices at 11400 Overseas Hwy Ste 224, Marathon, FL 330503600. Office phone: 3059060238.
What is Dr. William Martin's NPI?
Dr. William Martin's National Provider Identifier (NPI) is 1891861829, issued by NPPES.
Does Dr. William Martin accept Medicare assignment?
Yes. Dr. William Martin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Martin commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.