Thang D Nguyen, MD

Surgery

Thang D Nguyen is a Surgery specialist based in Fountain Valley, CA with over 27 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(714) 434-0404Fountain Valley, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Thang D Nguyen, MD has been part of the Fountain Valley medical community since 2006 in group practice. He has been in practice for 27+ years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and diabetes. CMS MIPS quality score: 87.21/100 (2023).

At a glance

  • Uses generic medications more than 88% of reporting doctors in California
  • Federal MIPS score higher than 69% of MIPS-scored doctors in California
  • Virtual visits available — no app or travel required
1 of 368 Surgery providers in CASee all Surgery in Fountain Valley27+ years experienceNPI since 2006

Older · 3975dNPPES updated 2015-07-06 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

11190 Warner Ave #301, Fountain Valley, CA 92708-4047

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor has an average quality score compared to other doctors in California, favors affordable generic drugs over brand-name ones.

MIPS Score

2023

87.21/100

California avg: 78.6 · US avg: 83.6

Higher than most doctors nationally(+3.6 pts)

Average range among MIPS-scored doctors in California

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Opioid Rx

↓ Lower = better

43.92%

California avg: 5.2 · US avg: 5.1

Lower than most doctors nationally(+38.8 pts)

43.92% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

95%

California avg: 83.3 · US avg: 82.8

Higher than most doctors nationally(+12.2 pts)

Better than 88% of reporting doctors in California

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

342

Unique beneficiaries

Standard volume

Prescription Recipients

170

Patients prescribed

Prescriptions Written

337

Total claims

Total Medicare drug cost: $15k

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.

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 Hypertension, High Cholesterol, and Diabetes.

Hypertension
Higher than avg (+5%)75%

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

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Diabetes
Higher than avg (+24%)58%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+24%) — a focus area for this doctor

Chronic Kidney Disease
Higher than avg (+21%)51%

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

US avg: 29.6%

↑ More patients than average (+21%) — a focus area for this doctor

Arthritis
49%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%
Heart Failure
Higher than avg (+24%)46%

The heart cannot pump blood efficiently enough to meet the body's needs

US avg: 22.5%

↑ More patients than average (+24%) — a focus area for this doctor

Ischemic Heart Disease
Higher than avg (+13%)45%

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

US avg: 31.7%

↑ More patients than average (+13%) — a focus area for this doctor

Mood Disorders
35%

Conditions affecting emotional state, including depression and bipolar disorder

GeneralBehavioralNational avg

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

Industry Payment Transparency

$971 received from industry

20 transactions reported in 2024 ·Moderate tier

View on CMS Open Payments →

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 Thang D Nguyen's NPI.

Patient Reviews

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Background & Specialty

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

Career Journey
  1. 27 years in practice

    Experienced

SurgeryAllopathic & Osteopathic Physicians

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Taxonomy: 208600000X

Practice Footprint

Primary hospital affiliation: Critical Access Hospitals

CMS Certification Number: 191309

View hospital on Medicare Care Compare

Virtual Surgery Care With Thang D Nguyen

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

Schedule a virtual visit with Thang D Nguyen for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Fountain Valley 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 Thang D Nguyen

Dr. Nguyen is listed as active in the NPI registry with telehealth listed in Fountain Valley, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (714) 434-0404.

Verified across 6 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · 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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