Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HEATHER ERWIN WHNP-BC
NPI 1740820950
Nurse Practitioner - Family in Fort Smith, AR

Q: 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.

Q: What is Heather Erwin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: 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 17 days 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.

Active since January 15, 2020PECOS EnrolledAccepts Medicare Assignment

4003 MASSARD RD, FORT SMITH, AR 72903(479) 434-4747(479) 434-4949 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 7, 2026, Jan 19, 2026, Mar 7, 2022 and 1 more (4 updates tracked since 2020).

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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 and is a graduate of Other (2021).

NPPES Registry Identity

NPI1740820950

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameHEATHER ERWINCredential: WHNP-BC

Location Address4003 MASSARD RDFort Smith, AR 72903-6221

Mailing Address3000 Rogers AveFort Smith, AR 72901-4232 · (479) 459-6528

Phone(479) 434-4747

Fax(479) 434-4949

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateJanuary 15, 2020

Last NPPES UpdateAugust 7, 20264 updates tracked since enumeration

NPPES CertifiedAugust 7, 2026

✔ NPI 1740820950 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in AR · 123567

Also ListedNurse Practitioner · Women's HealthTaxonomy 363LW0102X · License 123567 (AR)

4003 MASSARD RD, Fort Smith, AR 72903

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID9234530007

PECOS Enrollment IDI20210630002738

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New Patient

$79.72 typical visit price

range $51.36 – $157.74

Typical copayment $19.93 (range $12.84 – $39.43)

Most-billed visit code 99203

Established Patient

$91.63 typical visit price

range $16.16 – $128.77

Typical copayment $22.90 (range $4.04 – $32.19)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers14 claims14 services$119.25 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. KASSANDRA L PAYNE DO

Family Medicine

4003 MASSARD RD
FORT SMITH, AR 72903

Sebastian County (479) 434-4747

DONNA M SHIPLEY MD

Family Medicine

4003 MASSARD RD
FORT SMITH, AR 72903

Sebastian County (479) 226-3836

RIVER VALLEY PRIMARY CARE SERVICES

Clinic/Center (Federally Qualified Health Center (FQHC))

4003 MASSARD RD
FORT SMITH, AR 72903

Sebastian County (479) 434-4747

TAYLOR AJTUN RD

Dietitian, Registered

4003 MASSARD RD
FORT SMITH, AR 72903

Sebastian County (479) 739-8101

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.

What insurance does Heather Erwin accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health and Ambetter from Superior HealthPlan and 5 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 17 days 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.