NPPES file of Aug 9, 2026

William Mark Williams, LCSW

Addiction (Substance Use Disorder) Counselor · Pensacola, FL

William Mark Williams, LCSW is an addiction (substance use disorder) counselor with a practice address in Pensacola, Florida, and NPI 1083917181, issued on Dec 10, 2010. Check the license (Florida SW8643, 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
1083917181
Name
William Mark Williams
Credential
LCSW
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
SW8643 FL
Self-reported in NPPES; status is on the state search
Practice location
7100 Plantation RD Ste 10, Pensacola, FL 32504
Phone
(850) 261-8446
Enumerated
Dec 10, 2010
Record last updated
Apr 14, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(850) 465-3706
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest addiction (substance use disorder) counselor records → All 1,236 in Florida → Look up another NPI →

Also registered at 7100 Plantation RD Ste 10

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

  1. Sandra Granberry, MSMental Health Counselor1487214334

Verify William Mark Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license SW8643    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

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William Mark Williams among 1,236 addiction (substance use disorder) counselor records in Florida

William Mark Williams, LCSW is one of 1,236 addiction (substance use disorder) counselor records with a practice address in Florida. 2% 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 2010, is newer than 16% of them.

  • NPI issued2010 · 16% of these records are older, 83% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2017 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction (Substance Use Disorder) Counselor providers in Florida

There are 1,236 addiction (substance use disorder) counselor records in Florida. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,236 in Florida → Every provider in Pensacola → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Bradley CoxPensacola, FL 325071275963563
  2. Raul GarciaPensacola, FL 325011962831321
  3. Robert Monson, LMHC, CAPPensacola, FL 325011275736019
  4. Hector ZayasPensacola, FL 325071760963524
  5. Paul Glover, ADCPensacola, FL 325121780527226
  6. Susan HarperPensacola, FL 325141184184640
  7. Shana Suggs, LMHCPensacola, FL 325261871285635
  8. Timiya CarsonCantonment, FL 325331902393606

Common questions

What is William Mark Williams, LCSW's NPI number?

William Mark Williams, LCSW's National Provider Identifier (NPI) is 1083917181, issued on Dec 10, 2010. An NPI identifies a provider in billing; it is not a license.

Where is William Mark Williams, LCSW located?

The NPPES record lists a practice address at 7100 Plantation RD Ste 10, Pensacola, FL, 32504. Phone: (850) 261-8446. Providers update this record themselves, so call before visiting.

How can I verify William Mark Williams, LCSW's license?

NPPES lists Florida license number SW8643, 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.