Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. William Keith Queen, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1437807120

Mr. William Keith Queen, PMHNP-BC is a Nurse Practitioner in Florence, South Carolina. Graduated from University of South Carolina School of Medicine in 2020, 6 years ago. Practices with Sweetgrass Psychiatry LLC, a 24-clinician group and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
6
Trained at
University of South Carolina School of Medicine
Licensed in
SC
In the registry since
2022
What do these letters mean?
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

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Practice location Address checks out

651 S Coit St
Florence, SC 29501-5256
Phone: (843) 800-1303
Fax: (843) 800-1901
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence APN-25892 (SC)

Record details

NPI number1437807120
Entity typeIndividual (Type 1)
GenderMale
Credentials PMHNP-BC
Sole proprietorNo
NPI enumeratedMarch 12, 2022
Last updated in NPPESApril 20, 2026
Certification dateApril 20, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF SOUTH CAROLINA SCHOOL OF MEDICINE
Graduated 2020 (6 years in practice)
Group practice Sweetgrass Psychiatry Llc — 24 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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