Adult Gastroenterology, P.L.L.C.
NPI 1104019413 · Gastroenterology Physician · Phoenix, AZ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Adult Gastroenterology, P.L.L.C. is a Gastroenterology Physician organization in Phoenix, AZ (NPI 1104019413).
Provider details
- NPI number
- 1104019413
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Nadim Zyadeh, President(602) 973-6666
- License
- 30881 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-20
- Last updated
- 2026-01-22
- Certified
- 2026-01-22
Frequently asked questions
- What is Adult Gastroenterology, P.L.L.C.'s NPI number?
- Adult Gastroenterology, P.L.L.C.'s National Provider Identifier (NPI) is 1104019413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Adult Gastroenterology, P.L.L.C.?
- Adult Gastroenterology, P.L.L.C. is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Adult Gastroenterology, P.L.L.C. located?
- Adult Gastroenterology, P.L.L.C.'s practice location on file with NPPES is 5815 N Black Canyon Hwy Ste 101, Phoenix, AZ 85015-2200.
- What is Adult Gastroenterology, P.L.L.C.'s phone number?
- The practice phone number listed in the NPPES registry for Adult Gastroenterology, P.L.L.C. is (602) 973-6666.
- Does Adult Gastroenterology, P.L.L.C. accept Medicare?
- Adult Gastroenterology, P.L.L.C. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Adult Gastroenterology, P.L.L.C.?
- The authorized official listed on Adult Gastroenterology, P.L.L.C.'s NPPES record is Nadim Zyadeh, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Adult Gastroenterology, P.L.L.C.'s NPI active?
- Yes — Adult Gastroenterology, P.L.L.C.'s NPI (1104019413) is active in the NPPES registry as of the last update on 2026-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.