TUAN H NGUYEN MD
Prescription History 1881663193
Family Medicine in Haltom City, TX
What does Dr. Nguyen prescribe?
In 2024, Dr. Nguyen wrote 2,097 Medicare prescriptions for 50 medications. The most prescribed was Atorvastatin Calcium, with 328 prescriptions for 110 patients.
Medicare Part D only. These are prescriptions filled by people with Medicare drug coverage in 2024, from the CMS data released in 2026, the most recent year available. CMS does not publish medications with fewer than 11 prescriptions, so this is not a full list of what Dr. Nguyen prescribes.
Medications 50 medications
Prescriptions filled under Medicare Part D in 2024. Select a medication to see what it is used for and how it compares with other Texas prescribers.
What it is used for
Atorvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Texas prescribers
Dr. Nguyen wrote 328 prescriptions for Atorvastatin Calcium, about 1.8 times as often as the typical Texas prescriber of it (180). Medicare paid $6.31 per fill, versus $9.48 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Texas prescribers
Dr. Nguyen wrote 193 prescriptions for Amlodipine Besylate, about 1.5 times as often as the typical Texas prescriber of it (133). Medicare paid $5.46 per fill, versus $6.07 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Texas prescribers
Dr. Nguyen wrote 102 prescriptions for Tamsulosin Hcl, about 1.2 times as often as the typical Texas prescriber of it (86). Medicare paid $10.63 per fill, versus $14.12 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Texas prescribers
Dr. Nguyen wrote 93 prescriptions for Metformin Hcl, about as often as the typical Texas prescriber of it (96). Medicare paid $5.95 per fill, versus $7.22 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Texas prescribers
Dr. Nguyen wrote 89 prescriptions for Losartan Potassium, about 80% as often as the typical Texas prescriber of it (111). Medicare paid $6.03 per fill, versus $9.74 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat high blood pressure.
Compared with Texas prescribers
Dr. Nguyen wrote 70 prescriptions for Lisinopril-Hydrochlorothiazide, about 1.8 times as often as the typical Texas prescriber of it (38). Medicare paid $6.81 per fill, versus $7.96 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Lisinopril is used to treat high blood pressure.
Compared with Texas prescribers
Dr. Nguyen wrote 69 prescriptions for Lisinopril, about 64% as often as the typical Texas prescriber of it (108). Medicare paid $5.30 per fill, versus $7.09 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with Texas prescribers
Dr. Nguyen wrote 66 prescriptions for Prednisone, about 1.4 times as often as the typical Texas prescriber of it (47). Medicare paid $2.54 per fill, versus $3.54 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with Texas prescribers
Dr. Nguyen wrote 56 prescriptions for Metoprolol Succinate, about half as often as the typical Texas prescriber of it (101). Medicare paid $9.49 per fill, versus $14.00 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Levocetirizine is an antihistamine used to relieve allergy symptoms such as watery eyes, runny nose, itching eyes/nose, and sneezing.
Compared with Texas prescribers
Dr. Nguyen wrote 51 prescriptions for Levocetirizine Dihydrochloride, about 1.3 times as often as the typical Texas prescriber of it (40). Medicare paid $8.75 per fill, versus $12.60 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Gabapentin is used with other medications to prevent and control seizures.
Compared with Texas prescribers
Dr. Nguyen wrote 49 prescriptions for Gabapentin, about half as often as the typical Texas prescriber of it (96). Medicare paid $15.80 per fill, versus $15.87 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This drug is used to treat high blood pressure.
Compared with Texas prescribers
Dr. Nguyen wrote 46 prescriptions for Losartan-Hydrochlorothiazide, about 1.2 times as often as the typical Texas prescriber of it (38). Medicare paid $8.60 per fill, versus $14.03 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Texas prescribers
Dr. Nguyen wrote 45 prescriptions for Levothyroxine Sodium, about 30% as often as the typical Texas prescriber of it (150). Medicare paid $6.97 per fill, versus $10.05 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Azithromycin is used to treat a wide variety of bacterial infections.
Compared with Texas prescribers
Dr. Nguyen wrote 42 prescriptions for Azithromycin, about as often as the typical Texas prescriber of it (40). Medicare paid $3.05 per fill, versus $4.63 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Pioglitazone is a diabetes drug (thiazolidinedione-type, also called "glitazones") used along with a proper diet and exercise program to control high blood sugar in patients with type 2 diabetes.
Compared with Texas prescribers
Dr. Nguyen wrote 39 prescriptions for Pioglitazone Hcl, about 90% as often as the typical Texas prescriber of it (44). Medicare paid $20.54 per fill, versus $12.62 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Rosuvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Texas prescribers
Dr. Nguyen wrote 38 prescriptions for Rosuvastatin Calcium, about 31% as often as the typical Texas prescriber of it (122). Medicare paid $5.05 per fill, versus $13.19 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to relieve nasal symptoms such as runny/itching/stuffy nose, sneezing, and post-nasal drip caused by allergies or other conditions.
Compared with Texas prescribers
Dr. Nguyen wrote 35 prescriptions for Azelastine Hcl, about as often as the typical Texas prescriber of it (37). Medicare paid $39.88 per fill, versus $29.04 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Glipizide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Texas prescribers
Dr. Nguyen wrote 34 prescriptions for Glipizide, about 90% as often as the typical Texas prescriber of it (38). Medicare paid $10.91 per fill, versus $9.42 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
See also Warning section.
Compared with Texas prescribers
Dr. Nguyen wrote 33 prescriptions for Tramadol Hcl, about half as often as the typical Texas prescriber of it (61). Medicare paid $4.52 per fill, versus $7.30 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Albuterol (also known as salbutamol) is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease).
Compared with Texas prescribers
Dr. Nguyen wrote 32 prescriptions for Albuterol Sulfate Hfa, about half as often as the typical Texas prescriber of it (57). Medicare paid $23.29 per fill, versus $28.56 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Simvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Texas prescribers
Dr. Nguyen wrote 31 prescriptions for Simvastatin, about half as often as the typical Texas prescriber of it (62). Medicare paid $8.58 per fill, versus $8.39 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Texas prescribers
Dr. Nguyen wrote 30 prescriptions for Pantoprazole Sodium, about 37% as often as the typical Texas prescriber of it (81). Medicare paid $8.54 per fill, versus $11.71 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Famotidine is used to treat ulcers of the stomach and intestines and to prevent intestinal ulcers from coming back after they have healed.
Compared with Texas prescribers
Dr. Nguyen wrote 28 prescriptions for Famotidine, about half as often as the typical Texas prescriber of it (49). Medicare paid $27.28 per fill, versus $14.87 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Fluticasone is used to relieve seasonal and year-round allergic and non-allergic nasal symptoms, such as stuffy/runny nose, itching, and sneezing.
Compared with Texas prescribers
Dr. Nguyen wrote 26 prescriptions for Fluticasone Propionate, about half as often as the typical Texas prescriber of it (55). Medicare paid $15.30 per fill, versus $15.72 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Meloxicam is used to treat arthritis.
Compared with Texas prescribers
Dr. Nguyen wrote 25 prescriptions for Meloxicam, about half as often as the typical Texas prescriber of it (57). Medicare paid $2.34 per fill, versus $4.11 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Acarbose is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Texas prescribers
Dr. Nguyen wrote 24 prescriptions for Acarbose, about 81% as often as the typical Texas prescriber of it (30). Medicare paid $19.86 per fill, versus $32.94 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with Texas prescribers
Dr. Nguyen wrote 23 prescriptions for Finasteride, about half as often as the typical Texas prescriber of it (54). Medicare paid $6.94 per fill, versus $13.02 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This diabetes medication is a combination of 2 drugs (glipizide and metformin).
Compared with Texas prescribers
Dr. Nguyen wrote 23 prescriptions for Glipizide-Metformin, about 86% as often as the typical Texas prescriber of it (27). Medicare paid $62.31 per fill, versus $59.77 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Nifedipine is used alone or in combination with other drugs to treat high blood pressure (hypertension).
Compared with Texas prescribers
Dr. Nguyen wrote 23 prescriptions for Nifedipine Er, about half as often as the typical Texas prescriber of it (39). Medicare paid $26.91 per fill, versus $25.74 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with Texas prescribers
Dr. Nguyen wrote 22 prescriptions for Montelukast Sodium, about 32% as often as the typical Texas prescriber of it (69). Medicare paid $5.92 per fill, versus $10.85 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Texas prescribers
Dr. Nguyen wrote 21 prescriptions for Carvedilol, about 30% as often as the typical Texas prescriber of it (71). Medicare paid $7.62 per fill, versus $8.22 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Texas prescribers
Dr. Nguyen wrote 21 prescriptions for Omeprazole, about 27% as often as the typical Texas prescriber of it (79). Medicare paid $22.25 per fill, versus $14.93 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Texas prescribers
Dr. Nguyen wrote 20 prescriptions for Mirtazapine, about half as often as the typical Texas prescriber of it (46). Medicare paid $23.50 per fill, versus $19.94 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with Texas prescribers
Dr. Nguyen wrote 20 prescriptions for Sulfamethoxazole-Trimethoprim, about 73% as often as the typical Texas prescriber of it (27). Medicare paid $7.89 per fill, versus $5.34 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with Texas prescribers
Dr. Nguyen wrote 19 prescriptions for Allopurinol, about 41% as often as the typical Texas prescriber of it (47). Medicare paid $6.44 per fill, versus $9.68 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with Texas prescribers
Dr. Nguyen wrote 19 prescriptions for Betamethasone Diprop Augmented, about 40% as often as the typical Texas prescriber of it (48). Medicare paid $24.71 per fill, versus $37.03 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Pravastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Texas prescribers
Dr. Nguyen wrote 19 prescriptions for Pravastatin Sodium, about 37% as often as the typical Texas prescriber of it (52). Medicare paid $15.54 per fill, versus $13.28 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Texas prescribers
Dr. Nguyen wrote 18 prescriptions for Alendronate Sodium, about 35% as often as the typical Texas prescriber of it (52). Medicare paid $7.24 per fill, versus $8.44 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Felodipine is used to treat high blood pressure (hypertension).
Compared with Texas prescribers
Dr. Nguyen wrote 18 prescriptions for Felodipine Er, about 79% as often as the typical Texas prescriber of it (23). Medicare paid $30.37 per fill, versus $27.33 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Vitamin D (ergocalciferol-D2, cholecalciferol-D3, alfacalcidol) is a fat-soluble vitamin that helps your body absorb calcium and phosphorus.
Compared with Texas prescribers
Dr. Nguyen wrote 18 prescriptions for Vitamin D2, about half as often as the typical Texas prescriber of it (36). Medicare paid $16.57 per fill, versus $11.98 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This product is a combination of two drugs: a calcium channel blocker (amlodipine) and an ACE inhibitor (benazepril).
Compared with Texas prescribers
Dr. Nguyen wrote 17 prescriptions for Amlodipine Besylate-Benazepril, about 67% as often as the typical Texas prescriber of it (25). Medicare paid $4.86 per fill, versus $18.09 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Amoxicillin/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections.
Compared with Texas prescribers
Dr. Nguyen wrote 17 prescriptions for Amoxicillin-Clavulanate Potass, about half as often as the typical Texas prescriber of it (30). Medicare paid $10.69 per fill, versus $9.53 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Meclizine is an antihistamine that is used to prevent and treat nausea, vomiting, and dizziness caused by motion sickness.
Compared with Texas prescribers
Dr. Nguyen wrote 17 prescriptions for Meclizine Hcl, about 65% as often as the typical Texas prescriber of it (26). Medicare paid $22.77 per fill, versus $10.82 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with Texas prescribers
Dr. Nguyen wrote 15 prescriptions for Memantine Hcl, about 22% as often as the typical Texas prescriber of it (68). Medicare paid $27.21 per fill, versus $29.92 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat high blood pressure (hypertension).
Compared with Texas prescribers
Dr. Nguyen wrote 15 prescriptions for Telmisartan-Hydrochlorothiazid, about 67% as often as the typical Texas prescriber of it (22). Medicare paid $22.12 per fill, versus $56.72 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with Texas prescribers
Dr. Nguyen wrote 12 prescriptions for Furosemide, about 15% as often as the typical Texas prescriber of it (78). Medicare paid $1.94 per fill, versus $5.09 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Oseltamivir is used to treat symptoms caused by the flu virus (influenza).
Compared with Texas prescribers
Dr. Nguyen wrote 12 prescriptions for Oseltamivir Phosphate, about 63% as often as the typical Texas prescriber of it (19). Medicare paid $37.57 per fill, versus $31.68 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Sildenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED).
Compared with Texas prescribers
Dr. Nguyen wrote 12 prescriptions for Sildenafil Citrate, about half as often as the typical Texas prescriber of it (21). Medicare paid $7.18 per fill, versus $64.74 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat high blood pressure.
Compared with Texas prescribers
Dr. Nguyen wrote 11 prescriptions for Hydrochlorothiazide, about 17% as often as the typical Texas prescriber of it (65). Medicare paid $6.70 per fill, versus $4.50 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Texas prescribers
Dr. Nguyen wrote 11 prescriptions for Potassium Chloride, about 18% as often as the typical Texas prescriber of it (62). Medicare paid $9.89 per fill, versus $19.18 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Dr. Nguyen’s prescriptions
What does Dr. Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed medications were Atorvastatin Calcium (328), Amlodipine Besylate (193) and Tamsulosin Hcl (102).
How does Dr. Nguyen's prescribing compare with other Texas prescribers?
Of the 50 medications with a state comparison, Dr. Nguyen prescribes 5 more often than the typical Texas prescriber, 11 about as often and 34 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Nguyen prescribes?
No. It covers prescriptions filled by people with Medicare Part D drug coverage in 2024, and CMS leaves out any medication with fewer than 11 prescriptions.
About this data
This page shows one provider’s slice of public Medicare files. NPI Profile does not receive prescriptions or patient records.
| Source | What it provides here | Data year |
|---|---|---|
| CMS Medicare Part D Prescribers by Provider and Drug | Each medication, prescriptions, patients, 30-day fills, days of medication and cost. State comparisons average the Texas prescribers of the same medication and form, where at least five wrote it. | 2024 (released 2026, the most recent available) |
| CMS Medicare Part D Drug Spending Dashboard | What each medication is used for. | 2024 |
- Only prescriptions filled by people with Medicare Part D drug coverage are counted. Private insurance, Medicaid and cash purchases are not.
- CMS leaves out medications with fewer than 11 prescriptions and hides patient counts under 11.
- Cost per fill is what the plan and the patient paid the pharmacy together, not what you pay at the counter.
- Medication descriptions are summaries from CMS. They are not medical advice; ask a health care professional about any medication.
