DR. GARETH M. C. LEMA MD, PHD
Prescription History 1982802476
Ophthalmology - Retina Specialist in New York, NY
What does Dr. Lema prescribe?
In 2024, Dr. Lema wrote 316 Medicare prescriptions for 11 medications. The most prescribed was Latanoprost, with 59 prescriptions for 11 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. Lema prescribes.
Medications 11 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 New York 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 New York prescribers
Dr. Lema wrote 59 prescriptions for Latanoprost, about 37% as often as the typical New York prescriber of it (159). Medicare paid $6.92 per fill, versus $11.29 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 New York prescribers
Dr. Lema wrote 42 prescriptions for Brimonidine Tartrate, about half as often as the typical New York prescriber of it (75). Medicare paid $62.77 per fill, versus $62.15 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 New York prescribers
Dr. Lema wrote 39 prescriptions for Prednisolone Acetate, about 28% as often as the typical New York prescriber of it (141). Medicare paid $56.41 per fill, versus $43.48 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
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 New York prescribers
Dr. Lema wrote 31 prescriptions for Dorzolamide Hcl, about 63% as often as the typical New York prescriber of it (49). Medicare paid $10.66 per fill, versus $19.22 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
This medication is used to relieve eye pain, irritation, and redness following cataract eye surgery.
Compared with New York prescribers
Dr. Lema wrote 31 prescriptions for Ilevro, about as often as the typical New York prescriber of it (30). Medicare paid $359.23 per fill, versus $389.27 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 bacterial infections (such as blepharitis, conjunctivitis) of the eye.
Compared with New York prescribers
Dr. Lema wrote 28 prescriptions for Polymyxin B Sul-Trimethoprim, about as often as the typical New York prescriber of it (27). Medicare paid $4.74 per fill, versus $7.93 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 conditions involving swelling (inflammation) of the eyes and to treat or prevent bacterial eye infections.
Compared with New York prescribers
Dr. Lema wrote 23 prescriptions for Neomycin-Polymyxin-Dexameth, about half as often as the typical New York prescriber of it (54). Medicare paid $8.00 per fill, versus $10.83 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 New York prescribers
Dr. Lema wrote 20 prescriptions for Dorzolamide-Timolol, about 20% as often as the typical New York prescriber of it (102). Medicare paid $16.45 per fill, versus $17.98 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 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 New York prescribers
Dr. Lema wrote 18 prescriptions for Combigan, about 38% as often as the typical New York prescriber of it (47). Medicare paid $440.85 per fill, versus $365.36 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 swelling and pain after eye surgery.
Compared with New York prescribers
Dr. Lema wrote 14 prescriptions for Difluprednate, about 36% as often as the typical New York prescriber of it (39). Medicare paid $86.03 per fill, versus $109.43 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 temporarily relieve itching eyes caused by seasonal allergies.
Compared with New York prescribers
Dr. Lema wrote 11 prescriptions for Ketorolac Tromethamine, about 11% as often as the typical New York prescriber of it (101). Medicare paid $8.99 per fill, versus $21.99 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. Lema’s prescriptions
What does Dr. Lema prescribe most?
In 2024 Medicare Part D data, Dr. Lema's most prescribed medications were Latanoprost (59), Brimonidine Tartrate (42) and Prednisolone Acetate (39).
How does Dr. Lema's prescribing compare with other New York prescribers?
Of the 11 medications with a state comparison, Dr. Lema prescribes 2 about as often than the typical New York prescriber and 9 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Lema 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 New York 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.