Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Stacy Williams, PMHNP-BC, NP-C

Individual provider Family Nurse Practitioner · NPI 1477188332

Stacy Williams, PMHNP-BC, NP-C is a Nurse Practitioner in Pascagoula, Mississippi. Qualified in 2024, 2 years ago. Practices with Medical Systems Management, LLC, a 49-clinician group and accepts Medicare assignment. Licensed in Mississippi.

Years since qualifying
2
Licensed in
MS
In the registry since
2020
What do these letters mean?
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

501 Krebs Ave Ste C
Pascagoula, MS 39567-3123
Phone: (228) 549-1019
Fax: (732) 832-3632
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 903897 (MS)

Record details

NPI number1477188332
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP-BC , NP-C
Sole proprietorYes
NPI enumeratedMarch 10, 2020
Last updated in NPPESSeptember 21, 2026
Certification dateSeptember 21, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Medical Systems Management, Llc — 49 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Medical Systems Management, LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 49 clinicians in the practice; 12 are shown here.

Other providers in Pascagoula