DZUNG X NGUYEN OD
Prescription History 1205826708
Optometrist in Oak Lawn, IL
What does Dr. Nguyen prescribe?
In 2024, Dr. Nguyen wrote 1,954 Medicare prescriptions for 23 medications. The most prescribed was Latanoprost, with 699 prescriptions for 186 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 23 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 Illinois prescribers.
What it is used for
Latanoprost is used to treat high pressure inside the eye due to glaucoma (open angle type) or other eye diseases (such as ocular hypertension).
Compared with Illinois prescribers
Dr. Nguyen wrote 699 prescriptions for Latanoprost, about 4.6 times as often as the typical Illinois prescriber of it (151). Medicare paid $12.52 per fill, versus $12.04 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
This medication is used to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (such as ocular hypertension).
Compared with Illinois prescribers
Dr. Nguyen wrote 198 prescriptions for Timolol Maleate, about 2.5 times as often as the typical Illinois prescriber of it (79). Medicare paid $9.25 per fill, versus $15.88 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 open-angle glaucoma or high fluid pressure in the eye.
Compared with Illinois prescribers
Dr. Nguyen wrote 181 prescriptions for Brimonidine Tartrate, about 2.5 times as often as the typical Illinois prescriber of it (74). Medicare paid $80.98 per fill, versus $32.64 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 contains two drugs used to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (such as ocular hypertension).
Compared with Illinois prescribers
Dr. Nguyen wrote 166 prescriptions for Dorzolamide-Timolol, about 1.8 times as often as the typical Illinois prescriber of it (95). Medicare paid $15.87 per fill, versus $16.88 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 open-angle glaucoma or high fluid pressure in the eye.
Compared with Illinois prescribers
Dr. Nguyen wrote 73 prescriptions for Alphagan P, about 2.4 times as often as the typical Illinois prescriber of it (30). Medicare paid $325.88 per fill, versus $389.34 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
Bimatoprost is used to treat high pressure inside the eye due to glaucoma (open-angle type) or other eye diseases (such as ocular hypertension).
Compared with Illinois prescribers
Dr. Nguyen wrote 73 prescriptions for Lumigan, about 1.4 times as often as the typical Illinois prescriber of it (52). Medicare paid $446.44 per fill, versus $486.31 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 certain eye conditions due to inflammation or injury.
Compared with Illinois prescribers
Dr. Nguyen wrote 69 prescriptions for Prednisolone Acetate, about half as often as the typical Illinois prescriber of it (123). Medicare paid $47.59 per fill, versus $37.81 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 conditions involving swelling (inflammation) of the eyes and to treat or prevent bacterial eye infections.
Compared with Illinois prescribers
Dr. Nguyen wrote 61 prescriptions for Neomycin-Polymyxin-Dexameth, about 1.4 times as often as the typical Illinois prescriber of it (42). Medicare paid $8.43 per fill, versus $10.28 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
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 Illinois prescribers
Dr. Nguyen wrote 46 prescriptions for Azelastine Hcl, about 1.3 times as often as the typical Illinois prescriber of it (36). Medicare paid $29.64 per fill, versus $28.67 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 certain eye infections (such as conjunctivitis).
Compared with Illinois prescribers
Dr. Nguyen wrote 36 prescriptions for Erythromycin, about 74% as often as the typical Illinois prescriber of it (49). Medicare paid $14.93 per fill, versus $12.57 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
Netarsudil is used to treat high pressure inside the eye due to certain eye conditions (such as open-angle glaucoma, ocular hypertension).
Compared with Illinois prescribers
Dr. Nguyen wrote 34 prescriptions for Rhopressa, about 72% as often as the typical Illinois prescriber of it (47). Medicare paid $457.02 per fill, versus $502.35 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
Dorzolamide is used to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (such as ocular hypertension).
Compared with Illinois prescribers
Dr. Nguyen wrote 31 prescriptions for Dorzolamide Hcl, about half as often as the typical Illinois prescriber of it (58). Medicare paid $19.43 per fill, versus $16.82 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
This medication is used to treat a wide variety of bacterial infections, including those that cause acne.
Compared with Illinois prescribers
Dr. Nguyen wrote 31 prescriptions for Doxycycline Hyclate, about as often as the typical Illinois prescriber of it (30). Medicare paid $10.24 per fill, versus $12.92 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
Travoprost is used to treat high pressure inside the eye due to glaucoma (open-angle type) or other eye diseases (such as ocular hypertension).
Compared with Illinois prescribers
Dr. Nguyen wrote 31 prescriptions for Travoprost, about as often as the typical Illinois prescriber of it (31). Medicare paid $174.02 per fill, versus $164.57 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 contains two medications used to treat high pressure in the eye due to glaucoma (open-angle glaucoma-type) or a certain other eye disease (ocular hypertension).
Compared with Illinois prescribers
Dr. Nguyen wrote 29 prescriptions for Simbrinza, about as often as the typical Illinois prescriber of it (30). Medicare paid $213.51 per fill, versus $269.21 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 or prevent eye infections.
Compared with Illinois prescribers
Dr. Nguyen wrote 29 prescriptions for Tobramycin-Dexamethasone, about as often as the typical Illinois prescriber of it (29). Medicare paid $49.23 per fill, versus $46.82 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
This medication is used to treat dry eye disease.
Compared with Illinois prescribers
Dr. Nguyen wrote 29 prescriptions for Xiidra, about 1.2 times as often as the typical Illinois prescriber of it (25). Medicare paid $806.58 per fill, versus $1,069.40 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 eye infections.
Compared with Illinois prescribers
Dr. Nguyen wrote 28 prescriptions for Ofloxacin, about half as often as the typical Illinois prescriber of it (64). Medicare paid $15.13 per fill, versus $13.25 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
Cyclosporine eye drops are used to treat a certain type of dry eyes.
Compared with Illinois prescribers
Dr. Nguyen wrote 26 prescriptions for Restasis, about 73% as often as the typical Illinois prescriber of it (35). Medicare paid $879.64 per fill, versus $958.55 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 combination medication is used to treat high pressure inside the eye due to glaucoma (open-angle type) or other eye diseases (such as ocular hypertension).
Compared with Illinois prescribers
Dr. Nguyen wrote 23 prescriptions for Combigan, about 74% as often as the typical Illinois prescriber of it (31). Medicare paid $323.51 per fill, versus $369.37 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
Latanoprostene bunod is used to treat high pressure inside the eye due to glaucoma (open-angle type) or other eye diseases (such as ocular hypertension).
Compared with Illinois prescribers
Dr. Nguyen wrote 22 prescriptions for Vyzulta, about half as often as the typical Illinois prescriber of it (38). Medicare paid $451.83 per fill, versus $455.58 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 combination medication is used to treat high pressure inside the eye due to glaucoma (open-angle type) or other eye diseases (such as ocular hypertension).
Compared with Illinois prescribers
Dr. Nguyen wrote 20 prescriptions for Brimonidine Tartrate-Timolol, about 66% as often as the typical Illinois prescriber of it (30). Medicare paid $129.43 per fill, versus $177.49 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
Netarsudil/latanoprost is used to treat high pressure inside the eye due to certain eye conditions (such as open-angle glaucoma, ocular hypertension).
Compared with Illinois prescribers
Dr. Nguyen wrote 19 prescriptions for Rocklatan, about half as often as the typical Illinois prescriber of it (39). Medicare paid $494.48 per fill, versus $540.50 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 Latanoprost (699), Timolol Maleate (198) and Brimonidine Tartrate (181).
How does Dr. Nguyen's prescribing compare with other Illinois prescribers?
Of the 23 medications with a state comparison, Dr. Nguyen prescribes 8 more often than the typical Illinois prescriber, 5 about as often and 10 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 Illinois 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.
