MARIANN NIELSEN WHNP-C
NPI 1447580212
Nurse Practitioner - Women's Health in Austin, TX

Active since December 30, 2009
12201 RENFERT WAY STE 225, AUSTIN, TX 78758(512) 339-6626(512) 425-3809 Get Directions Write a Review

NPPES record last updated: October 14, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mariann Nielsen Whnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIANN NIELSEN WHNP-C (NPI 1447580212) is an individual women's health provider in Austin, Texas, licensed in Texas (AP113605) and active in the NPI registry since December 2009.

NPPES Registry Identity

NPI1447580212
Entity TypeIndividualFemale
Primary Taxonomy363LW0102X
Provider Legal NameMARIANN NIELSENCredential: WHNP-C
Location Address12201 RENFERT WAY STE 225Austin, TX 78758-5369
Mailing Address12201 Renfert Way Ste 225Austin, TX 78758-5369 · (512) 339-6626 · Fax (512) 425-3809
Fax(512) 425-3809
Sole ProprietorNo
Enumeration DateDecember 30, 2009
Last NPPES UpdateOctober 14, 2016
NPI 1447580212 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Women's HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LW0102X
License Licensed in TX · AP113605
12201 RENFERT WAY STE 225, Austin, TX 78758

Other Identifiers 1

Medicaid345150201TX

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
12201 RENFERT WAY STE 225
AUSTIN, TX 78758
Obstetrics & Gynecology
12201 RENFERT WAY STE 225
AUSTIN, TX 78758
Physician Assistant (Medical)
12201 RENFERT WAY STE 225
AUSTIN, TX 78758
Nurse Practitioner (Women's Health)
12201 RENFERT WAY STE 225
AUSTIN, TX 78758
Advanced Practice Midwife
12201 RENFERT WAY STE 225
AUSTIN, TX 78758
Nurse Practitioner (Women's Health)
12201 RENFERT WAY STE 225
AUSTIN, TX 78758
Physician Assistant (Medical)
12201 RENFERT WAY STE 225
AUSTIN, TX 78758

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mariann Nielsen's NPI number?

The NPI number for Mariann Nielsen is 1447580212. It was assigned to this individual provider in the NPPES registry on December 30, 2009.

Where is Mariann Nielsen located?

Mariann Nielsen practices at 12201 Renfert Way Ste 225, Austin, TX 78758. The listed phone number is (512) 339-6626.

What is Mariann Nielsen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.

When was this NPI record last updated?

The NPPES record for Mariann Nielsen was last updated on October 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.