CHESTNUT HEALTH OF ARIZONA PLLC
NPI 1366318974
Internal Medicine in Phoenix, AZ

Q: What is Chestnut Health Of Arizona PLLC's NPI number?

The NPI number for Chestnut Health Of Arizona PLLC is 1366318974. It was assigned to this organization in the NPPES registry on October 13, 2025.

Q: What is Chestnut Health Of Arizona PLLC's specialty?

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

Active since October 13, 2025

11812 N 19TH AVE, PHOENIX, AZ 85029(602) 900-8828(703) 649-6188 Get Directions Write a Review

NPPES record last updated: October 13, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Chestnut Health Of Arizona Pllc NPPES

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

CHESTNUT HEALTH OF ARIZONA PLLC (NPI 1366318974) is a healthcare organization registered as an internal medicine in Phoenix, Arizona and active in the NPI registry since October 2025. The organization lists Omair Siraj, Ceo, as its authorized official.

NPPES Registry Identity

NPI1366318974

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameCHESTNUT HEALTH OF ARIZONA PLLC

Location Address11812 N 19TH AVEPhoenix, AZ 85029-3536

Mailing Address1530 N Randall Rd Ste 210Elgin, IL 60123-7879 · (703) 964-8199 · Fax (703) 649-6188

Phone(602) 900-8828

Fax(703) 649-6188

Organization SubpartNo

Authorized OfficialOmair SirajCeo · (703) 964-8199

Enumeration DateOctober 13, 2025

NPPES CertifiedOctober 13, 2025

✔ NPI 1366318974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

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.

11812 N 19TH AVE, Phoenix, AZ 85029

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chestnut Health Of Arizona Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 4 clinicians reassign Medicare billing to Chestnut Health Of Arizona PLLC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (4)

Lisa Greene, NP

Nurse Practitioner

NPI 1215436233

13203 N 103RD AVE STE H5
Sun City, AZ 85351

(623) 777-4747

✔ PECOS10 mi

Krysten Luthardt, NP-C

Nurse Practitioner

NPI 1508573890

2919 S ELLSWORTH RD STE 135
Mesa, AZ 85212

(480) 967-6888

✔ PECOS✔ Accepts Medicare31 mi

Robyn Edwards

Nurse Practitioner

NPI 1164212031

2403 DAWN DR
Lake Havasu City, AZ 86404

(661) 212-4829

✔ PECOS✔ Accepts Medicare145 mi

Kuljit Kapur, DO

Internal Medicine

NPI 1831399518

2285 SEQUOIA DR
Aurora, IL 60506

(630) 859-6800

✔ PECOS✔ Accepts Medicare1,412 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Chestnut Health Of Arizona PLLC's NPI number?

The NPI number for Chestnut Health Of Arizona PLLC is 1366318974. It was assigned to this organization in the NPPES registry on October 13, 2025.

Where is Chestnut Health Of Arizona PLLC located?

Chestnut Health Of Arizona PLLC is located at 11812 N 19th Ave, Phoenix, AZ 85029. The listed phone number is (602) 900-8828.

What is Chestnut Health Of Arizona PLLC's specialty?

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

Is Chestnut Health Of Arizona PLLC enrolled in Medicare?

Yes. Chestnut Health Of Arizona PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Chestnut Health Of Arizona PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Chestnut Health Of Arizona PLLC. A 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 the clinician's services. The largest specialties are Nurse Practitioner (3) and Internal Medicine (1). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Chestnut Health Of Arizona PLLC was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.