Dr. Vinhkhiem Nguyen Phuc, M.D.
What this data tells you about Dr. Nguyen Phuc
Dr. Vinhkhiem Nguyen Phuc is a cardiovascular disease specialist in Garden Grove, CA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Nguyen Phuc performed 3,690 Medicare services across 2,193 unique beneficiaries.
Between the years covered by Open Payments, Dr. Nguyen Phuc received a total of $3,562 from 15 pharmaceutical and/or device companies across 164 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in cardiovascular disease. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Nguyen Phuc is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
1,693 | $108 | $299 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
374 | $77 | $204 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
248 | $13 | $53 |
| Echocardiogram, transthoracic An ultrasound test that uses sound waves to create images of the heart's blood flow, valves, and chambers. |
218 | $47 | $130 |
| Echocardiogram with color Doppler An ultrasound of the heart that uses color imaging to visualize blood flow, measure flow rate, and assess valve function. |
218 | $22 | $100 |
| Stress echocardiogram with ECG monitoring An ultrasound of the heart performed while monitoring heart rhythm during rest, exercise, or medication-induced stress, followed by a review and report of the findings. |
217 | $207 | $684 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
123 | $67 | $189 |
| Echocardiogram, transthoracic An ultrasound of the heart that uses color to show blood flow, rate, direction, and valve function. |
110 | $175 | $556 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
107 | $146 | $455 |
| Pacemaker system evaluation Assessment of a pacemaker device, including single, dual, multiple lead, or leadless systems. |
82 | $50 | $105 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
52 | $106 | $361 |
| Hospital follow-up visit, low complexity Follow-up hospital visit for an established patient with straightforward or low-level medical decision making. The visit requires at least 25 minutes of time spent on the day of service. |
40 | $42 | $102 |
| Exercise or drug-induced heart stress test with ECG A heart stress test performed using exercise or medication while an electrocardiogram is monitored under physician supervision. |
36 | $18 | $58 |
| Exercise or drug-induced heart stress test with ECG A heart stress test performed using exercise or medication while monitoring the electrocardiogram, with physician review of the results. |
36 | $12 | $39 |
| Quadrivalent influenza vaccine, preservative-free A flu shot containing four strains of the influenza virus, formulated without preservatives, administered in a 0.5 ml dose. |
35 | $22 | $46 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
35 | $34 | $67 |
| 2-day continuous ECG with review and report A two-day continuous electrocardiogram recording that includes a professional review and written report of the results. |
24 | $59 | $277 |
| Hospital discharge management, 30+ min This service covers the care provided by a physician or qualified healthcare professional on the day a patient is discharged from the hospital. It requires more than 30 minutes of total time spent on the day of discharge. |
24 | $98 | $278 |
| Ultrasound of head and neck blood flow, bilateral An ultrasound exam that uses sound waves to visualize and assess blood flow in the vessels of both the head and the neck. |
18 | $178 | $548 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Nguyen Phuc is a clinical cardiology specialist, with above-average Medicare volume (top 29% in CA), with low-engagement industry engagement, with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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