Internal Medicine · Sun City, CA
NPI
1619976644
Since 2005
Specialty
Internal Medicine
Code 207R00000X
Group practices
2
Medicare group memberships
Hospitals
1
Hospital affiliations
29798 Haun Rd Ste 206
Sun City, CA, 92586
Phone (951) 672-4900
Groups this clinician bills Medicare through
Medicare paid, 2024
$435K
13,212 services
Medicare patients, 2024
675
Average age 79
Drug cost, 2024
$1.3M
13,734 prescriptions
Company payments, 2025
$317
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Stephen H Nguyen was code 99214 (office e&m - established), 1,033 times for 566 patients. In total Stephen H Nguyen billed 13,212 services in 72 codes, and Medicare paid $435K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-07-09.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 1,033 | 566 | $95.88 | $99K |
| 99442 Telephone Services | Office | 939 | 402 | $71.78 | $67K |
| 99213 Office E&M - Established | Office | 662 | 339 | $72.04 | $48K |
| 36415 Venipuncture Blood Collection | Office | 583 | 347 | $8.65 | $5,043 |
| 80053 Clinical Chemistry | Office | 438 | 304 | $10.35 | $4,533 |
| 80061 Clinical Chemistry | Office | 412 | 313 | $13.12 | $5,405 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 394 | 394 | $144.51 | $57K |
| 84443 Clinical Chemistry | Office | 368 | 312 | $16.46 | $6,057 |
| 83036 Blood Count | Office | 366 | 296 | $9.52 | $3,484 |
| 84439 Clinical Chemistry | Office | 348 | 294 | $8.84 | $3,076 |
| 84481 Clinical Chemistry | Office | 343 | 292 | $16.60 | $5,694 |
| 82306 Clinical Chemistry | Office | 338 | 304 | $29.01 | $9,805 |
| G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes | Office | 324 | 324 | $27.64 | $8,955 |
| G0444 Annual depression screening, 5 to 15 minutes | Office | 321 | 321 | $21.70 | $6,967 |
| 85025 Blood Count | Office | 317 | 273 | $7.61 | $2,412 |
By year: 2022 $479K for 18,876 services; 2023 $433K for 14,312 services; 2024 $435K for 13,212 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 583 | 347 | $8.65 | $5,043 |
| 80053 Clinical Chemistry | 438 | 304 | $10.35 | $4,533 |
| 80061 Clinical Chemistry | 412 | 313 | $13.12 | $5,405 |
| 84443 Clinical Chemistry | 368 | 312 | $16.46 | $6,057 |
| 83036 Blood Count | 366 | 296 | $9.52 | $3,484 |
| 84439 Clinical Chemistry | 348 | 294 | $8.84 | $3,076 |
| 84481 Clinical Chemistry | 343 | 292 | $16.60 | $5,694 |
| 82306 Clinical Chemistry | 338 | 304 | $29.01 | $9,805 |
| 85025 Blood Count | 317 | 273 | $7.61 | $2,412 |
| 82607 Clinical Chemistry | 282 | 254 | $14.78 | $4,168 |
Medicare prescription drug claims, 2024
In 2024, the drug Stephen H Nguyen prescribed most often to Medicare patients was Atorvastatin Calcium, with 823 prescriptions and refills. In total Stephen H Nguyen wrote 13,734 Medicare prescriptions that cost $1.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 823 | 2,386 | 242 | $11K |
| Rosuvastatin Calcium Generic | 778 | 2,227 | 230 | $10K |
| Levothyroxine Sodium Generic | 625 | 1,771 | 169 | $8,838 |
| Amlodipine Besylate Generic | 411 | 1,205 | 128 | $3,058 |
| Tamsulosin Hcl Generic | 300 | 873 | 94 | $4,861 |
| Olmesartan Medoxomil Generic | 296 | 871 | 103 | $10K |
| Metoprolol Succinate Generic | 256 | 741 | 78 | $3,753 |
| Lisinopril Generic | 249 | 722 | 75 | $1,461 |
| Ezetimibe Generic | 243 | 686 | 73 | $5,633 |
| Gabapentin Generic | 233 | 530 | 62 | $4,505 |
| Pantoprazole Sodium Generic | 226 | 584 | 67 | $2,683 |
| Zolpidem Tartrate Generic | 224 | 281 | 42 | $1,398 |
| Alprazolam Generic | 222 | 258 | 55 | $1,202 |
| Amlodipine Besylate-Benazepril Amlodipine Besylate/Benazepril | 221 | 580 | 63 | $3,223 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 200 | 202 | 42 | $3,415 |
Brand drugs: 1,557 claims; generic drugs: 12,115 claims; opioid claims: 419.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Stephen H Nguyen $317 ($317 in general payments such as food, travel and fees) from 8 companies. The largest payer was Corcept Therapeutics with $113.
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.