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

Mariann Nielsen, WHNP-C

Individual provider Women's Health Nurse Practitioner · NPI 1447580212

Mariann Nielsen, WHNP-C is a Women's Health Nurse Practitioner in Austin, Texas. Licensed in Texas. Registered with an NPI since 2009.

Licensed in
TX
In the registry since
2009

Practice location Address checks out

12201 Renfert Way Ste 225
Austin, TX 78758-5369
Phone: (512) 339-6626
Fax: (512) 425-3809
Show map & directions

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

Specialties & licences

Women's Health Nurse Practitioner (primary) Taxonomy 363LW0102X · Licence AP113605 (TX)

Record details

NPI number1447580212
Entity typeIndividual (Type 1)
GenderFemale
Credentials WHNP-C
Sole proprietorNo
NPI enumeratedDecember 30, 2009
Last updated in NPPESOctober 14, 2016

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