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

Heather Erwin, WHNP-BC

Individual provider Family Nurse Practitioner · NPI 1740820950

Heather Erwin, WHNP-BC is a Nurse Practitioner in Fort Smith, Arkansas. Qualified in 2021, 5 years ago. Practices with Mercy Hospital Waldron, a 12-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Arkansas.

Years since qualifying
5
Licensed in
AR
In the registry since
2020
Specialties on file
2

Practice location Address checks out

4003 Massard Rd
Fort Smith, AR 72903-6221
Phone: (479) 434-4747
Fax: (479) 434-4949
Show map & directions

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

Additional practice locations (2)

  • 3000 Rogers Ave, Fort Smith, AR 72901-4232 — (479) 459-6528
  • 7301 Rogers Ave, Fort Smith, AR 72903-4100 — (479) 314-6000

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 123567 (AR)
Women's Health Nurse Practitioner Taxonomy 363LW0102X · Licence 123567 (AR)

Record details

NPI number1740820950
Entity typeIndividual (Type 1)
GenderFemale
Credentials WHNP-BC
Sole proprietorNo
NPI enumeratedJanuary 15, 2020
Last updated in NPPESAugust 7, 2026
Certification dateAugust 7, 2026
Mailing address3000 Rogers Ave, Fort Smith, AR 72901-4232

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Mercy Hospital Waldron — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Fort Smith