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

Mary Keller, PMHNP-BC, RN

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1427782861

Mary Keller, PMHNP-BC, RN is a Nurse Practitioner in Clayton, Georgia. Graduated from Vanderbilt University School of Medicine in 2023, 3 years ago. Licensed in Georgia and North Carolina.

Years since qualifying
3
Trained at
Vanderbilt University School of Medicine
Licensed in
GA, NC
In the registry since
2022
Specialties on file
2
What do these letters mean?
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

24 Chechero St Ste 2
Clayton, GA 30525-6181
Phone: (706) 963-0654
Fax: (706) 973-4087
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 5019419 (NC)
Adult Psychiatric/Mental Health Registered Nurse Taxonomy 163WP0809X · Licence RN311520 (GA)

Record details

NPI number1427782861
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP-BC , RN
Sole proprietorNo
NPI enumeratedJuly 12, 2022
Last updated in NPPESJanuary 21, 2026
Certification dateJanuary 21, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolVANDERBILT UNIVERSITY SCHOOL OF MEDICINE
Graduated 2023 (3 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Clayton