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

ADULT GASTROENTEROLOGY, P.L.L.C.
NPI 1104019413
Internal Medicine - Gastroenterology in Phoenix, AZ

Active since August 20, 2007
5815 N BLACK CANYON HWY STE 101, PHOENIX, AZ 85015(602) 973-6666(602) 812-3395 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Adult Gastroenterology, P.l.l.c. NPPES

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

ADULT GASTROENTEROLOGY, P.L.L.C. (NPI 1104019413) is a healthcare organization registered as a gastroenterology in Phoenix, Arizona and active in the NPI registry since August 2007. The organization lists Nadim T. Zyadeh, President, as its authorized official.

NPPES Registry Identity

NPI1104019413
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameADULT GASTROENTEROLOGY, P.L.L.C.
Location Address5815 N BLACK CANYON HWY STE 101Phoenix, AZ 85015-2200
Mailing Address5815 N Black Canyon Hwy Ste 101Phoenix, AZ 85015-2200 · (602) 973-6666 · Fax (602) 812-3395
Phone(602) 973-6666
Fax(602) 812-3395
Organization SubpartNo
Authorized OfficialNadim T. ZyadehPresident · (602) 973-6666
Enumeration DateAugust 20, 2007
Last NPPES UpdateJanuary 22, 2026
NPPES CertifiedJanuary 22, 2026
✔ NPI 1104019413 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in AZ · 30881
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
5815 N BLACK CANYON HWY STE 101, Phoenix, AZ 85015
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health.Insurance ›

Other Providers at the Same Location NPPES

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

NADIM T ZYADEH MD
Internal Medicine (Gastroenterology)
5815 N BLACK CANYON HWY STE 101
PHOENIX, AZ 85015
Maricopa County (602) 973-6666

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 Adult Gastroenterology, P.L.L.C.'s NPI number?

The NPI number for Adult Gastroenterology, P.L.L.C. is 1104019413. It was assigned to this organization in the NPPES registry on August 20, 2007.

Where is Adult Gastroenterology, P.L.L.C. located?

Adult Gastroenterology, P.L.L.C. is located at 5815 N Black Canyon Hwy Ste 101, Phoenix, AZ 85015. The listed phone number is (602) 973-6666.

What is Adult Gastroenterology, P.L.L.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

What insurance does Adult Gastroenterology, P.L.L.C. accept?

Health plans from Ambetter from Arizona Complete Health list Adult Gastroenterology, P.L.L.C. 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 Adult Gastroenterology, P.L.L.C. was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.