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

Mrs. Diane Katherine Holzmann, MA, LPC, NCC

Individual provider Professional Counselor · NPI 1699281477

Mrs. Diane Katherine Holzmann, MA, LPC, NCC is a Professional Counselor in Columbia, South Carolina. Practices as a sole proprietor and works from 2 locations. Licensed in South Carolina.

Licensed in
SC
In the registry since
2017
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
LPC — Licensed Professional Counselor
A licensed mental health counsellor.
NCC — National Certified Counselor
A counsellor certified by the NBCC.

See every abbreviation used in this directory →

Practice location Address checks out

2609 Seminole Rd
Columbia, SC 29210-6581
Phone: (803) 873-7447
Show map & directions

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

Additional practice locations (1)

  • 2540 Windsor Dr, Cayce, SC 29033-1460 — (803) 873-7447

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 6178 (SC)

Record details

NPI number1699281477
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA , LPC , NCC
Sole proprietorYes
NPI enumeratedDecember 15, 2017
Last updated in NPPESMarch 17, 2018

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