Tuan Nguyen, MD
Gastroenterology Internal Medicine
Tuan Nguyen is a Gastroenterology Internal Medicine specialist based in San Diego, CA with over 38 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 38 years in internal medicine, Tuan Nguyen, MD is a long-established gastroenterologist in San Diego. A Medical College of Wisconsin graduate since 1988, he brings 38+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and diabetes.
Older · 6321dNPPES updated 2009-02-02 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
4141 Fairmount Ave Suite #201, San Diego, CA 92105-1609
How Does This Doctor Compare?
Medicare Patients
228
Unique beneficiaries
Standard volumePrescription Recipients
112
Patients prescribed
Prescriptions Written
666
Total claims
Total Medicare drug cost: $440k
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
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 Hypertension, High Cholesterol, and Diabetes.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
A condition where the body cannot properly regulate blood sugar levels
Joint inflammation causing pain, swelling, and stiffness
Weakened bones that are more prone to fractures, common in older adults
Gradual loss of kidney function over time, often linked to diabetes or hypertension
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$15.3k received from industry
19 transactions reported in 2024 ·High tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Tuan Nguyen's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1988
Medical College of Wisconsin
38 years in practice
Senior practitioner
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
Medical College of Wisconsin (Class of 1988)
Mailing address
Po Box 420988, San Diego, CA 92142-0988
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190011
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Tuan Nguyen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Tuan Nguyen for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to San Diego required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Tuan Nguyen
NPI records show Dr. Nguyen as active with telehealth listed in San Diego, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (858) 278-5293.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Tuan Nguyen
Practice Location
4141 Fairmount Ave Suite #201, San Diego, CA 92105-1609
Mailing Address
Po Box 420988, San Diego, CA 92142-0988
This is a provider directory. Contact the office directly to schedule appointments.
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