1. Home
  2. Directory
  3. Arizona
  4. Phoenix
  5. Internal Medicine
  6. NPI Profile

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

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: August 02, 2026.

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
Open in Google Maps ↗

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

Other Providers at the Same Location NPPES

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

CHRISTIAN CARE NURSING CENTER INC.
Skilled Nursing Facility
11812 N 19TH AVE
PHOENIX, AZ 85029
Maricopa County (602) 861-3241

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.

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 9 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.