Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Gregory James Walker, APRN, PMHNP-BC

Individual provider Psychiatric/Mental Health Registered Nurse · NPI 1972109684

Gregory James Walker, APRN, PMHNP-BC is a Nurse Practitioner in Austin, Texas. Qualified in 2020, 6 years ago. Practices with Poudre Valley Medical Group LLC, a 2,416-clinician group and accepts Medicare assignment. Licensed in Colorado and Texas.

Years since qualifying
6
Licensed in
CO, TX
In the registry since
2020
Specialties on file
3
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

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Practice location Address checks out

3501 Mills Ave
Austin, TX 78731-6309
Phone: (512) 324-2020
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 1017007 (TX)
Psychiatric/Mental Health Registered Nurse Taxonomy 163WP0808X · Licence 903731 (TX)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence C-APN.0003311-C-NP (CO)

Record details

NPI number1972109684
Entity typeIndividual (Type 1)
GenderMale
Credentials APRN , PMHNP-BC
Sole proprietorNo
NPI enumeratedDecember 8, 2020
Last updated in NPPESDecember 7, 2021
Certification dateDecember 7, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Poudre Valley Medical Group Llc — 2416 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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