Internal Medicine, Hematology & Oncology · Houston, TX
NPI
1922069624
Since 2006
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
2
Medicare group memberships
Hospitals
5
Hospital affiliations
925 Gessner, Suite 600,650
Houston, TX, 77024
Phone (713) 827-9525
Groups this clinician bills Medicare through
Medicare paid, 2024
$1.6M
248,821 services
Medicare patients, 2024
367
Average age 75
Drug cost, 2024
$9.7M
2,382 prescriptions
Company payments, 2025
$2,881
From 43 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Alex P Nguyen was code Q0138 (injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use)), 71,910 times for 56 patients. In total Alex P Nguyen billed 248,821 services in 140 codes, and Medicare paid $1.6M.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-03-18.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|
| Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) | Office | 71,910 | 56 | $0.28 | $20K |
| J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) | Office | 28,200 | 19 | $2.29 | $65K |
| Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | Office | 5,600 | 46 | $0.10 | $563 |
| J1100 Injection, dexamethasone sodium phosphate, 1 mg | Office | 1,990 | 22 | $0.09 | $177 |
| J2469 Injection, palonosetron hcl, 25 mcg | Office | 1,540 | 23 | $0.69 | $1,066 |
| J0640 Injection, leucovorin calcium, per 50 mg | Office | 1,336 | 12 | $3.51 | $4,684 |
| 85025 Blood Count | Office | 903 | 292 | $7.57 | $6,835 |
| J9190 Injection, fluorouracil, 500 mg | Office | 858 | 12 | $2.33 | $1,997 |
| 99214 Office E&M - Established | Office | 448 | 208 | $94.00 | $42K |
| 96413 Chemotherapy Administration | Office | 315 | 37 | $100.37 | $32K |
| 96367 Intravenous Infusion, Hydration | Office | 293 | 33 | $21.71 | $6,362 |
| 96372 Injection Administration | Office | 242 | 34 | $10.63 | $2,572 |
| 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 | 237 | 156 | $12.94 | $3,067 |
| 96375 Injection Administration | Office | 227 | 24 | $11.92 | $2,706 |
| 96415 Chemotherapy Administration | Office | 212 | 21 | $21.58 | $4,575 |
By year: 2022 $1.7M for 219,183 services; 2023 $1.3M for 207,962 services; 2024 $1.6M for 248,821 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 85025 Blood Count | 903 | 292 | $7.57 | $6,835 |
| 80047 Clinical Chemistry | 145 | 76 | $13.46 | $1,952 |
| 36415 Venipuncture Blood Collection | 57 | 40 | $8.65 | $493 |
| 82565 Clinical Chemistry | 37 | 34 | $5.02 | $186 |
Medicare prescription drug claims, 2024
In 2024, the drug Alex P Nguyen prescribed most often to Medicare patients was Famciclovir, with 118 prescriptions and refills. In total Alex P Nguyen wrote 2,382 Medicare prescriptions that cost $9.7M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Famciclovir Generic | 118 | 207 | 32 | $9,450 |
| Hydroxyurea Generic | 106 | 214 | 29 | $2,792 |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 95 | 183 | 28 | $457 |
| Dexamethasone Generic | 92 | 113 | 42 | $1,550 |
| Aprepitant Generic | 89 | 89 | 19 | $33K |
| Ondansetron Odt Ondansetron | 77 | 77 | 64 | $2,295 |
| Xarelto Rivaroxaban | 67 | 139 | 23 | $77K |
| Letrozole Generic | 64 | 184 | 26 | $1,450 |
| Granisetron Hcl Generic | 63 | 63 | 53 | $36K |
| Tagrisso Osimertinib Mesylate | 62 | 62 | Under 11 | $1.0M |
| Loperamide Loperamide Hcl | 61 | 61 | 55 | $747 |
| Eliquis Apixaban | 61 | 67 | 13 | $40K |
| Aranesp Darbepoetin Alfa In Polysorbat | 59 | 61 | 11 | $213K |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 49 | 49 | 21 | $1,095 |
| Erleada Apalutamide | 48 | 48 | Under 11 | $687K |
Brand drugs: 794 claims; generic drugs: 1,588 claims; opioid claims: 106.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Alex P Nguyen $2,881 ($2,881 in general payments such as food, travel and fees) from 43 companies. The largest payer was Novartis Pharmaceuticals Corporation with $316.
| Company | Payments | Amount |
|---|---|---|
| Novartis Pharmaceuticals Corporation NVS | 13 | $316 |
| Abbvie Inc. ABBV | 2 | $248 |
| Merck Sharp & Dohme LLC MRK | 8 | $207 |
| AstraZeneca Pharmaceuticals LP AZN | 7 | $166 |
| Boston Scientific Corporation BSX | 1 | $157 |
| Gilead Sciences, Inc. GILD | 4 | $150 |
| Janssen Biotech, Inc. JNJ | 5 | $115 |
| Stryker Corporation SYK | 2 | $111 |
| Daiichi Sankyo Inc. 4568.T | 4 | $108 |
| Genzyme Corporation SNY | 3 | $87.51 |
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.