Quick answers
- Which hospitals does Heather Erwin work at?
- Medicare's official clinician data lists Heather Erwin at 1 hospital: Mercy Hospital Waldron. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Heather Erwin see patients?
- Medicare's clinician data lists 4 practice locations, including Waldron, AR, Fort Smith, AR and Ratcliff, AR. Call before your visit to confirm the address.
- What is Heather Erwin's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Heather Erwin accept Medicare assignment?
- Yes. Medicare's clinician data says Heather Erwin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Heather Erwin?
- (479) 434-4747, as listed in official Medicare / NPI Registry data.
- What is Heather Erwin's NPI number?
- 1740820950. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Heather Erwin works
Medicare's Facility Affiliation Data lists Heather Erwin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital WaldronWaldron, AR · Critical Access Hospital · CCN 041305
Practice locations
Addresses where Heather Erwin is enrolled with Medicare (CMS data updated 2026-10-02).
- 1341 W 6th StWaldron, AR 72958
- 4003 Massard RdFort Smith, AR 72903 (479) 434‑4747
- 4900 Kelley HwyFort Smith, AR 72904 (479) 785‑5700
- 9755 W State Hwy 22Ratcliff, AR 72951 (479) 431‑2050
Group practices
Medicare enrollment lists Heather Erwin as a member of these groups (CMS data updated 2026-10-02).
- River Valley Primary Care Services39 clinicians in the group
- Mercy Hospital Waldron12 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Waldron
Clinicians with the same Medicare primary specialty in Waldron, AR — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740820950 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians