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

MS. Marni Gwyther Holder, RN, FNP

Individual provider Family Nurse Practitioner · NPI 1508987926

MS. Marni Gwyther Holder, RN, FNP is a Family Nurse Practitioner in Carrboro, North Carolina. Licensed in North Carolina. Registered with an NPI since 2007.

Licensed in
NC
In the registry since
2007
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

299 Lloyd St
Carrboro, NC 27510-1821
Phone: (919) 933-8494
Fax: (919) 933-9201
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 151219 (NC)

Record details

NPI number1508987926
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , FNP
Sole proprietorNo
NPI enumeratedApril 3, 2007
Last updated in NPPESJuly 8, 2007

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