Quick answers
- Where does Gregory H. Nguyenduc see patients?
- Medicare's clinician data lists 1 practice location in Chandler, AZ. Call before your visit to confirm the address.
- What is Gregory H. Nguyenduc's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Gregory H. Nguyenduc accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory H. Nguyenduc accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Gregory H. Nguyenduc offer telehealth?
- Medicare's clinician data says Gregory H. Nguyenduc offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gregory H. Nguyenduc?
- (480) 786-6655, as listed in official Medicare / NPI Registry data.
- What is Gregory H. Nguyenduc's NPI number?
- 1326016239. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Gregory H. Nguyenduc is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 S Dobson Rd, Suite A1Chandler, AZ 85224 (480) 786‑6655
Group practices
Medicare enrollment lists Gregory H. Nguyenduc as a member of this group (CMS data updated 2026-10-02).
- Arizona Digestive Health PC136 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Chandler
Clinicians with the same Medicare primary specialty in Chandler, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of South Alabama College Of Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1326016239 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians