Gregory Nguyenduc, M.D.

Gastroenterology Internal Medicine

Gregory Nguyenduc is a Gastroenterology Internal Medicine specialist based in Chandler, AZ with over 28 years of clinical experience. Offers virtual telehealth visits.

(480) 786-6655Chandler, AZ
Telehealth Available
NPI Active per CMS — Q2 2026

Gregory Nguyenduc, M.D. practices as part of a group gastroenterologist practice in Chandler, AZ. Trained at University of South Alabama College of Medicine (class of 1998), he has been practicing for over 28 years. CMS Medicare data shows his patients commonly have high cholesterol, hypertension, and arthritis.

1 of 122 Internal Medicine providers in AZSee all Internal Medicine in Chandler28+ years experienceNPI since 2006

Older · 5947dNPPES updated 2010-02-10 · verify NPI on CMS · Verify license at Arizona Medical Board

Contact & Location

Practice Location

600 S Dobson Rd Bldg a, Chandler, AZ 85224-5678

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Hypertension
74%

High blood pressure — a leading risk factor for heart disease and stroke

Arthritis
52%

Joint inflammation causing pain, swelling, and stiffness

Ischemic Heart Disease
28%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

Diabetes
27%

A condition where the body cannot properly regulate blood sugar levels

Chronic Kidney Disease
27%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

Mood Disorders
21%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
20%

A mood disorder causing persistent sadness and loss of interest in activities

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1998

    University of South Alabama College of Medicine

  2. 28 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.

Taxonomy: 207RG0100X

Education & Training

University of South Alabama College of Medicine (Class of 1998)

Practice Footprint

Mailing address

Po Box 6190, Chandler, AZ 85246-6190

Differs from practice location

Virtual Internal Medicine Care With Gregory Nguyenduc

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Gregory Nguyenduc for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Chandler required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Gregory Nguyenduc

Dr. Nguyenduc is listed as active in the NPI registry with telehealth listed in Chandler, AZ. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (480) 786-6655.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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