Tuan Xuan Nguyen, MD
Tuan Xuan Nguyen is an Internal Medicine specialist based in Garden Grove, CA with over 37 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Tuan Xuan Nguyen, MD practices as part of a group internist practice in Garden Grove, CA. He graduated from University of Oklahoma College of Medicine in 1989 and has 37+ years of clinical experience. Among his Medicare patients, common conditions include hypertension, high cholesterol, and kidney disease (per CMS data).
At a glance
- Prescribes opioids less than 43% of reporting doctors in California
- Uses generic medications more than 66% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 2777dNPPES updated 2018-10-15 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
14221 Euclid St Ste H, Garden Grove, CA 92843-4991
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
MIPS Score
202329.37/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-54.2 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better1.57%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-3.5 pts)
Typical range among reporting doctors in California1.57% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better90.2%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+7.4 pts)
Typical range among reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
260
Unique beneficiaries
Standard volumePrescription Recipients
506
Patients prescribed
Prescriptions Written
19,778
Total claims
Total Medicare drug cost: $1.24M
Percentile rankings compared against 9,360 reporting peers in California.
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 Chronic Kidney Disease.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+45%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+18%) — a focus area for this doctor
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+30%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+7%) — a focus area for this doctor
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+15%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$463 received from industry
15 transactions reported in 2018 ·Low 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 2018, attributed to Tuan Xuan Nguyen's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1989
University of Oklahoma College of Medicine
37 years in practice
Senior practitioner
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
University of Oklahoma College of Medicine (Class of 1989)
Virtual Internal Medicine Care With Tuan Xuan Nguyen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Tuan Xuan Nguyen for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Garden Grove 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 Xuan Nguyen
Dr. Nguyen is listed as active in the NPI registry with telehealth listed in Garden Grove, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (714) 530-2420.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Tuan Xuan Nguyen
Practice Location
14221 Euclid St Ste H, Garden Grove, CA 92843-4991
Mailing Address
14221 Euclid St Ste H, Garden Grove, CA 92843-4991
This is a provider directory. Contact the office directly to schedule appointments.
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