HEATHER ERWIN WHNP-BC
NPI 1740820950
Nurse Practitioner - Family in Fort Smith, AR
About Heather Erwin Whnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEATHER ERWIN WHNP-BC (NPI 1740820950) is an individual family provider in Fort Smith, Arkansas, licensed in Arkansas (123567) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Heather Erwin Whnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
7Medicare enrollment records show Heather Erwin reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Smith, AR 72903
- Reassigned Medicare billing, Arkansas enrollment
- 42 clinicians in this Medicare group
Fort Smith, AR 72903
- Reassigned Medicare billing, Arkansas enrollment
- 658 clinicians in this Medicare group
Fort Smith, AR 72901
- Reassigned Medicare billing, Arkansas enrollment
- Medicare enrollment name: Women's Center For Health And Wellness PLLC
- 10 clinicians in this Medicare group
Mansfield, AR 72944
- Reassigned Medicare billing, Arkansas enrollment
- Also billed through NPI 1912978875 (Arkansas)
- 137 clinicians in this Medicare group
Booneville, AR 72927
- Reassigned Medicare billing, Arkansas enrollment
- Also billed through NPI 1992133714 (Arkansas)
- 146 clinicians in this Medicare group
Ozark, AR 72949
- Reassigned Medicare billing, Arkansas enrollment
- Also billed through NPI 1275504128 (Arkansas)
- 147 clinicians in this Medicare group
Paris, AR 72855
- Reassigned Medicare billing, Arkansas enrollment
- Also billed through NPI 1760453633 (Arkansas)
- 159 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72903 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FORT SMITH, AR 72903
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 Heather Erwin's NPI number?
The NPI number for Heather Erwin is 1740820950. It was assigned to this individual provider in the NPPES registry on January 15, 2020.
Where is Heather Erwin located?
Heather Erwin practices at 4003 Massard Rd, Fort Smith, AR 72903. The listed phone number is (479) 434-4747.
What is Heather Erwin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Heather Erwin enrolled in Medicare?
Yes. Heather Erwin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Heather Erwin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heather Erwin reassigns Medicare benefits to 7 organizations: River Valley Primary Care Services (Fort Smith, AR), Mercy Clinic Fort Smith Communities (Fort Smith, AR), Womens Center For Health And Wellness, PLLC (Fort Smith, AR), Mercy Hospital Waldron (Mansfield, AR), Mercy Hospital Booneville (Booneville, AR) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Heather Erwin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Heather Erwin accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Heather Erwin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Heather Erwin was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Heather Erwin, WHNP-BC · NPI 1740820950
Family physician in Fort Smith, Arkansas. Individual provider, active in the CMS NPPES registry since January 15, 2020.
## Identity
- **NPI:** 1740820950 (Entity type: Individual)
- **Enumerated:** January 15, 2020
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 123567 (Arkansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4003 MASSARD RD, Fort Smith, AR 72903-6221
- **Phone:** (479) 434-4747 · **Fax:** (479) 434-4949
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): River Valley Primary Care Services (NPI 1619232295, Fort Smith, AR); Mercy Clinic Fort Smith Communities (NPI 1902073620, Fort Smith, AR); Womens Center For Health And Wellness, PLLC (NPI 1629565072, Fort Smith, AR); Mercy Hospital Waldron (NPI 1295774917, Mansfield, AR); Mercy Hospital Booneville (NPI 1427486794, Booneville, AR); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1740820950) · Data from the CMS NPPES public registry.