Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Demetrius Williams, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1578296489

Demetrius Williams, PMHNP is a Psychiatric/Mental Health Nurse Practitioner in Mandeville, Louisiana. Licensed in Mississippi. Registered with an NPI since 2022.

Licensed in
MS
In the registry since
2022
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

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Practice location Address checks out

1150 W Causeway Approach
Mandeville, LA 70471-3038
Phone: (866) 530-6111
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 905371 (MS)

Record details

NPI number1578296489
Entity typeIndividual (Type 1)
GenderMale
Credentials PMHNP
Sole proprietorNo
NPI enumeratedJuly 7, 2022
Last updated in NPPESMay 22, 2023
Certification dateMay 22, 2023

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