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

HEATHER ARSENEAU DO
NPI 1982309548
Internal Medicine in Phoenix, AZ

Active since April 03, 2023PECOS Enrolled
4375 E IRMA LN, PHOENIX, AZ 85050(480) 890-5800 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 11, 2026, Aug 5, 2026, Apr 3, 2023 (3 updates tracked since 2023).

About Heather Arseneau Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HEATHER ARSENEAU DO (NPI 1982309548) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (012511) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982309548
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameHEATHER ARSENEAUCredential: DO
Location Address4375 E IRMA LNPhoenix, AZ 85050-4312
Mailing Address4375 E Irma LnPhoenix, AZ 85050-4312
Sole ProprietorNo
Enumeration DateApril 3, 2023
Last NPPES UpdateAugust 11, 20263 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
NPI 1982309548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in AZ · 012511
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4375 E IRMA LN, Phoenix, AZ 85050

Other Names 1

Former Name (1)Heather Arseneau Do

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Heather Arseneau Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 85050 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
4375 E IRMA LN
PHOENIX, AZ 85050
Internal Medicine (Gastroenterology)
4375 E IRMA LN
PHOENIX, AZ 85050
Pediatrics
4375 E IRMA LN
PHOENIX, AZ 85050
Pediatrics
4375 E IRMA LN
PHOENIX, AZ 85050
Internal Medicine
4375 E IRMA LN
PHOENIX, AZ 85050
Clinic/Center (Multi-Specialty)
4375 E IRMA LN
PHOENIX, AZ 85050
Nurse Practitioner (Family)
4375 E IRMA LN
PHOENIX, AZ 85050
Internal Medicine
4375 E IRMA LN
PHOENIX, AZ 85050

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 Arseneau's NPI number?

The NPI number for Heather Arseneau is 1982309548. It was assigned to this individual provider in the NPPES registry on April 3, 2023. The provider is also known as Heather Arseneau Do.

Where is Heather Arseneau located?

Heather Arseneau practices at 4375 E Irma Ln, Phoenix, AZ 85050. The listed phone number is (480) 890-5800.

What is Heather Arseneau's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Heather Arseneau enrolled in Medicare?

Yes. Heather Arseneau is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Heather Arseneau was last updated on August 11, 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.