Physician Profile
Chau D. Nguyen, MD is a healthcare provider in Houston, TX specializing in cardiovascular disease. Chau trained at Jefferson Medical College of Thomas Jefferson University, graduating in 1993. Medicare claims data shows Chau provided 1,306 services to 692 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, ultrasound of heart with color-depicted blood flow, rate, direction and valve function, and ultrasound of both sides of head and neck blood flow.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
11920 ASTORIA BLVD SUITE 300
Houston, TX 77089
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
1,306 services · 692 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
135 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
131 | More often than most peers in Cardiovascular Disease |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
22 | Less often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
19 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of leg arteries or artery grafts | Treatment | 93925 |
18 | Less often than most peers in Cardiovascular Disease |
| Programming of dual lead pacemaker system | Treatment | 93280 |
14 | Less often than most peers in Cardiovascular Disease |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
13 | Less often than most peers in Cardiovascular Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
811 | More often than most peers in Cardiovascular Disease |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
81 | As often as other peers in Cardiovascular Disease |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
29 | Less often than most peers in Cardiovascular Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Nguyen is a cardiologist in Houston, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Dr. Nguyen is listed at 11920 Astoria Blvd Suite 300, Houston, TX 77089. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (713) 946-8951. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Nguyen's National Provider Identifier is 1639149453. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Nguyen attended Jefferson Medical College of Thomas Jefferson University, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Dr. Nguyen has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Nguyen provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function and ultrasound of both sides of head and neck blood flow, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nguyen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.