NPPES file of Aug 9, 2026

William Windsor

Psychiatric/Mental Health Nurse Practitioner · Anderson, SC

William Windsor is a psychiatric/mental health nurse practitioner with a practice address in Anderson, South Carolina, and NPI 1578416103, issued on Feb 14, 2026. Check the license (South Carolina 31541, as entered in NPPES) with the South Carolina board that licenses this profession; 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
1578416103
Name
William Windsor
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
31541 SC
Self-reported in NPPES; status is on the state search
Practice location
4126 Clemson Blvd Ste 2C, Anderson, SC 29621
Phone
(678) 372-0985
Enumerated
Feb 14, 2026
Record last updated
Feb 14, 2026
Medicare enrollment
Enrolled (PECOS I20260316000451); 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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Also registered at 4126 Clemson Blvd Ste 2C

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

  1. Karly Garmon, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1972367035

Verify William Windsor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 31541
    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
Find the South Carolina license search

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William Windsor among 540 psychiatric/mental health nurse practitioner records in South Carolina

William Windsor is one of 540 psychiatric/mental health nurse practitioner records with a practice address in South Carolina. 69% 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 2026, is newer than 92% of them.

  • NPI issued2026 · 92% of these records are older, 0% newer
  • In a Medicare fileNo · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2025 · median 2021 among the 322 with a school on file
  • Record last updated2026 · 19% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 psychiatric/mental health nurse practitioner records list a practice address in Anderson

They are 25 of the 2,108 NPPES records with a practice address in Anderson, and 540 psychiatric/mental health nurse practitioner records in South Carolina. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Sheryl Biggs, ANPAnderson, SC 296211801467626
  2. Lazedra Cade, APRNAnderson, SC 296211043860562
  3. Deundra Cooke, PMHNP-BCAnderson, SC 296211306312517
  4. Lauren Dyer, A.P.R.N.Anderson, SC 296211083848360
  5. Heather Ford, APRNAnderson, SC 296211174165054
  6. Kelsie Fowler, FNP, PMHNPAnderson, SC 296211770138562
  7. Heather GilliamAnderson, SC 296211992220263
  8. Melissa HallAnderson, SC 296211487075701

Common questions

What is William Windsor's NPI number?

William Windsor's National Provider Identifier (NPI) is 1578416103, issued on Feb 14, 2026. An NPI identifies a provider in billing; it is not a license.

Where is William Windsor located?

The NPPES record lists a practice address at 4126 Clemson Blvd Ste 2C, Anderson, SC, 29621. Phone: (678) 372-0985. Providers update this record themselves, so call before visiting.

How can I verify William Windsor's license?

NPPES lists South Carolina license number 31541, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

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.

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.