Internal Medicine · Westminster, CA
NPI
1386698660
Since 2006
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
14541 Brookhurst St, Suite D2
Westminster, CA, 92683
Phone (714) 531-2000
Groups this clinician bills Medicare through
Medicare paid, 2024
$130K
2,485 services
Medicare patients, 2024
230
Average age 76
Drug cost, 2024
$2.8M
26,746 prescriptions
Company payments, 2025
$708
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Anhtuan D Nguyen was code 99213 (office e&m - established), 749 times for 215 patients. In total Anhtuan D Nguyen billed 2,485 services in 17 codes, and Medicare paid $130K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-11-17.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 749 | 215 | $58.46 | $44K |
| 36415 Venipuncture Blood Collection | Office | 537 | 191 | $4.90 | $2,631 |
| 99214 Office E&M - Established | Office | 383 | 171 | $94.73 | $36K |
| 99212 Office E&M - Established | Office | 231 | 123 | $39.39 | $9,100 |
| G0008 Administration of influenza virus vaccine | Office | 140 | 140 | $28.81 | $4,033 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 137 | 137 | $136.20 | $19K |
| 90653 Vaccine Product | Office | 99 | 99 | $81.82 | $8,100 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 73 | 69 | $8.05 | $588 |
| 90658 Vaccine Product | Office | 42 | 42 | $21.42 | $900 |
| 93000 Electrocardiogram | Office | 33 | 26 | $11.69 | $386 |
| 99495 Chronic, Principal, and Transitional Care Management | Office | 17 | 14 | $180.10 | $3,062 |
| 99204 Office E&M - New | Office | 17 | 17 | $87.30 | $1,484 |
| G0444 Annual depression screening, 5 to 15 minutes | Office | 12 | 12 | $21.15 | $254 |
By year: 2022 $117K for 1,789 services; 2023 $109K for 1,688 services; 2024 $130K for 2,485 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 537 | 191 | $4.90 | $2,631 |
Medicare prescription drug claims, 2024
In 2024, the drug Anhtuan D Nguyen prescribed most often to Medicare patients was Rosuvastatin Calcium, with 1,340 prescriptions and refills. In total Anhtuan D Nguyen wrote 26,746 Medicare prescriptions that cost $2.8M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Rosuvastatin Calcium Generic | 1,340 | 3,471 | 314 | $13K |
| Amlodipine Besylate Generic | 806 | 2,208 | 230 | $3,648 |
| Jardiance Empagliflozin | 782 | 839 | 93 | $490K |
| Atorvastatin Calcium Generic | 763 | 1,999 | 221 | $4,642 |
| Pioglitazone Hcl Generic | 755 | 1,813 | 172 | $8,923 |
| Metformin Hcl Er Metformin Hcl | 721 | 1,813 | 175 | $8,112 |
| Celecoxib Generic | 686 | 719 | 233 | $7,608 |
| Levocetirizine Dihydrochloride Generic | 631 | 738 | 219 | $3,131 |
| Olmesartan Medoxomil Generic | 618 | 1,565 | 149 | $8,686 |
| Fluticasone Propionate Generic | 581 | 619 | 192 | $4,914 |
| Vascepa Icosapent Ethyl | 552 | 622 | 84 | $203K |
| Omega-3 Acid Ethyl Esters Generic | 526 | 1,096 | 113 | $38K |
| Montelukast Sodium Generic | 501 | 902 | 148 | $2,623 |
| Gabapentin Generic | 496 | 1,310 | 165 | $3,242 |
| Raloxifene Hcl Generic | 478 | 1,227 | 116 | $18K |
Brand drugs: 3,795 claims; generic drugs: 22,847 claims; opioid claims: 26.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Anhtuan D Nguyen $708 ($708 in general payments such as food, travel and fees) from 8 companies. The largest payer was Gilead Sciences, Inc. with $150.
| Company | Payments | Amount |
|---|---|---|
| Gilead Sciences, Inc. GILD | 1 | $150 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 1 | $144 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $125 |
| Sumitomo Pharma America, Inc. 4506.T | 1 | $89.54 |
| Amgen Inc. AMGN | 2 | $79.31 |
| Lilly USA, LLC LLY | 2 | $60.09 |
| Dexcom, Inc. DXCM | 1 | $32.31 |
| AstraZeneca Pharmaceuticals LP AZN | 1 | $27.32 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.