Dr. Connie Nguyen, M.D.
What this data tells you about Dr. Nguyen
Dr. Connie Nguyen is a family medicine specialist in Westminster, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Nguyen performed 2,779 Medicare services across 1,838 unique beneficiaries.
Between the years covered by Open Payments, Dr. Nguyen received a total of $19,701 from 71 pharmaceutical and/or device companies across 997 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family medicine. 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 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. |
366 | $105 | $170 |
| Chronic care management, first 20 min/month This service covers the first 20 minutes of clinical staff time directed by a healthcare professional each calendar month to manage chronic conditions. |
279 | $52 | $99 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
218 | $48 | $121 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
215 | $12 | $54 |
| Blood glucose test using hand-held instrument A test that measures the level of sugar in the blood using a portable device. The result helps monitor blood glucose levels. |
201 | $3 | $9 |
| Hemoglobin A1c test (diabetes monitoring) A blood test that measures your average blood sugar levels over the past two to three months. |
185 | $10 | $50 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
149 | $148 | $298 |
| Hearing test for various pitches A hearing test that measures the ability to hear different sound frequencies using earphones. |
131 | $32 | $50 |
| Annual depression screening | 130 | $21 | $50 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
129 | $33 | $78 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
123 | $140 | $180 |
| Fecal immunochemical test (FIT), 1-3 simultaneous A screening test that uses a stool sample to detect hidden blood in the feces, helping to identify potential colorectal cancer. |
114 | $18 | $50 |
| Flu vaccine, high-dose High-dose seasonal influenza vaccine for adults aged 65 and older. Contains four times the antigen of standard-dose flu vaccines (60 mcg per strain), split-virus formulation, preservative-free, single-dose syringe. |
91 | $71 | $147 |
| 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. |
86 | $77 | $151 |
| COVID-19 vaccine administration Administration of a single dose of the coronavirus vaccine. |
63 | $45 | $83 |
| Pelvic and clinical breast exam for cancer screening A physical examination of the pelvis and breasts to screen for cervical or vaginal cancer. This procedure involves a clinical assessment performed by a healthcare provider. |
54 | $43 | $100 |
| Home health agency supervision, complex multidisciplinary care Supervision by a physician or allowed practitioner for a patient receiving Medicare-covered services from a participating home health agency. This involves complex and multidisciplinary care modalities, with the patient not present during the supervision. |
48 | $89 | $170 |
| Influenza vaccine, quadrivalent, 0.5 ml dosage | 39 | $20 | $81 |
| Sarscov2 vac 25 mcg/.25ml im | 29 | $143 | $300 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
26 | $3 | $11 |
| Transitional care management, high complexity Coordination of care for a patient transitioning from a short-term hospital stay or other facility to home or another care setting. This service addresses a high-complexity medical problem. |
25 | $236 | $308 |
| Severe acute respiratory syndrome coronavirus 2 (covid-19) vaccine, recombinant spike protein nanoparticle, saponin-based adjuvant, preservative free, 5 mcg/0.5ml dosage, for intramuscular use | 17 | $145 | $300 |
| SARS-CoV-2 vaccine, 30 mcg/0.3 mL Administration of the SARS-CoV-2 (COVID-19) vaccine containing 30 micrograms of antigen in a 0.3 milliliter dose. |
16 | $45 | $80 |
| 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. |
16 | $13 | $92 |
| COVID-19 vaccine (Moderna bivalent) An intramuscular injection of the SARS-CoV-2 vaccine containing 50 micrograms in a 0.5 mL dose. |
15 | $143 | $300 |
| Transitional care management services, moderate complexity Services provided to coordinate care during the transition from an inpatient or other facility setting back to the community. This includes follow-up and management of a health problem of at least moderate complexity. |
14 | $178 | $296 |
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. Total industry engagement is in the top 1% for family medicine in CA.
Geographic Context
2.2 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 is a clinical cardiology specialist, with above-average Medicare volume (top 7% in CA), with low-engagement industry engagement in the top 1% of CA peers, with 19 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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