DR. GREGG JONATHAN BERDY M.D.
Prescription History 1376541540
Ophthalmology in Saint Louis, MO
What does Dr. Berdy prescribe?
In 2024, Dr. Berdy wrote 2,391 Medicare prescriptions for 41 medications. The most prescribed was Lotemax Sm (loteprednol etabonate), with 255 prescriptions for 112 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. Berdy prescribes.
Medications 41 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 Missouri prescribers.
What it is used for
This medication is used to treat eye inflammation and pain after eye surgery.
Compared with Missouri prescribers
Dr. Berdy wrote 255 prescriptions for Lotemax Sm, about 5.2 times as often as the typical Missouri prescriber of it (49). Medicare paid $277.40 per fill, versus $269.02 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
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 Missouri prescribers
Dr. Berdy wrote 194 prescriptions for Vyzulta, about 5.5 times as often as the typical Missouri prescriber of it (35). Medicare paid $482.40 per fill, versus $427.72 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
Azithromycin is used to treat a wide variety of bacterial infections.
Compared with Missouri prescribers
Dr. Berdy wrote 181 prescriptions for Azithromycin, about 5 times as often as the typical Missouri prescriber of it (36). Medicare paid $5.07 per fill, versus $4.78 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 Missouri prescribers
Dr. Berdy wrote 172 prescriptions for Xiidra, about 5.4 times as often as the typical Missouri prescriber of it (32). Medicare paid $1,081.62 per fill, versus $1,093.49 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
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 Missouri prescribers
Dr. Berdy wrote 138 prescriptions for Timolol Maleate, about 2 times as often as the typical Missouri prescriber of it (68). Medicare paid $22.85 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
This medication is used to treat swelling (inflammation) and pain in the eye after a certain type of eye surgery (cataract surgery).
Compared with Missouri prescribers
Dr. Berdy wrote 137 prescriptions for Prolensa, about 3.2 times as often as the typical Missouri prescriber of it (43). Medicare paid $413.87 per fill, versus $364.93 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
Cyclosporine eye drops are used to treat a certain type of dry eyes.
Compared with Missouri prescribers
Dr. Berdy wrote 120 prescriptions for Restasis, about 3.4 times as often as the typical Missouri prescriber of it (35). Medicare paid $1,073.55 per fill, versus $921.91 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 Missouri prescribers
Dr. Berdy wrote 111 prescriptions for Lumigan, about 2.2 times as often as the typical Missouri prescriber of it (52). Medicare paid $555.36 per fill, versus $458.96 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
This medication is a quinolone antibiotic used for eye infections.
Compared with Missouri prescribers
Dr. Berdy wrote 89 prescriptions for Moxifloxacin, about as often as the typical Missouri prescriber of it (84). Medicare paid $19.38 per fill, versus $24.80 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
Valacyclovir is used to treat infections caused by certain types of viruses.
Compared with Missouri prescribers
Dr. Berdy wrote 77 prescriptions for Valacyclovir, about 3.2 times as often as the typical Missouri prescriber of it (24). Medicare paid $106.29 per fill, versus $36.82 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 certain eye infections (such as conjunctivitis).
Compared with Missouri prescribers
Dr. Berdy wrote 60 prescriptions for Erythromycin, about 1.3 times as often as the typical Missouri prescriber of it (45). Medicare paid $11.27 per fill, versus $26.14 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 Missouri prescribers
Dr. Berdy wrote 57 prescriptions for Rhopressa, about 1.8 times as often as the typical Missouri prescriber of it (31). Medicare paid $542.40 per fill, versus $425.80 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
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 Missouri prescribers
Dr. Berdy wrote 55 prescriptions for Latanoprost, about 41% as often as the typical Missouri prescriber of it (133). Medicare paid $11.30 per fill, versus $9.96 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
This medication is used to treat certain eye infections.
Compared with Missouri prescribers
Fewer than five Missouri prescribers wrote this medication, so there is no state comparison.
What it is used for
Cyclosporine eye drops are used to treat a certain type of dry eyes.
Compared with Missouri prescribers
Dr. Berdy wrote 44 prescriptions for Cequa, about 1.2 times as often as the typical Missouri prescriber of it (38). Medicare paid $840.13 per fill, versus $917.77 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
This medication is used to relieve dry, irritated eyes.
Compared with Missouri prescribers
Dr. Berdy wrote 41 prescriptions for Miebo, about 1.2 times as often as the typical Missouri prescriber of it (34). Medicare paid $1,036.02 per fill, versus $826.44 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
This medication is used to treat eye inflammation and pain after eye surgery.
Compared with Missouri prescribers
Dr. Berdy wrote 40 prescriptions for Lotemax, about 1.2 times as often as the typical Missouri prescriber of it (34). Medicare paid $454.07 per fill, versus $372.83 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 medication is used to treat a wide variety of bacterial infections, including those that cause acne.
Compared with Missouri prescribers
Dr. Berdy wrote 37 prescriptions for Doxycycline Monohydrate, about 1.3 times as often as the typical Missouri prescriber of it (28). Medicare paid $47.49 per fill, versus $17.76 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 eye infections.
Compared with Missouri prescribers
Dr. Berdy wrote 34 prescriptions for Besivance, about half as often as the typical Missouri prescriber of it (74). Medicare paid $218.43 per fill, versus $223.19 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
Icosapent ethyl is used along with certain other cholesterol medications ("statins" such as atorvastatin, simvastatin) to reduce the risk of heart attack, stroke, and certain types of heart problems that require treatment in a hospital.
Compared with Missouri prescribers
Dr. Berdy wrote 34 prescriptions for Vascepa, about as often as the typical Missouri prescriber of it (32). Medicare paid $316.36 per fill, versus $396.67 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
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 Missouri prescribers
Dr. Berdy wrote 33 prescriptions for Prednisone, about 62% as often as the typical Missouri prescriber of it (53). Medicare paid $3.48 per fill, versus $3.63 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
This medication is used to treat eye infections.
Compared with Missouri prescribers
Dr. Berdy wrote 31 prescriptions for Ofloxacin, about 71% as often as the typical Missouri prescriber of it (44). Medicare paid $9.97 per fill, versus $16.31 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
Minocycline is used to treat a wide variety of infections.
Compared with Missouri prescribers
Dr. Berdy wrote 29 prescriptions for Minocycline Hcl, about 85% as often as the typical Missouri prescriber of it (34). Medicare paid $50.61 per fill, versus $20.30 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
Omega-3 acid ethyl esters, a type of fat found in fish oil, is used along with diet and exercise to help lower levels of a certain blood fat (triglyceride).
Compared with Missouri prescribers
Dr. Berdy wrote 29 prescriptions for Omega-3 Acid Ethyl Esters, about 1.3 times as often as the typical Missouri prescriber of it (22). Medicare paid $41.62 per fill, versus $62.71 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
This medication is used to treat open-angle glaucoma or high fluid pressure in the eye.
Compared with Missouri prescribers
Dr. Berdy wrote 27 prescriptions for Brimonidine Tartrate, about half as often as the typical Missouri prescriber of it (58). Medicare paid $68.18 per fill, versus $30.27 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 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 Missouri prescribers
Dr. Berdy wrote 27 prescriptions for Simbrinza, about as often as the typical Missouri prescriber of it (25). Medicare paid $393.21 per fill, versus $264.63 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
This medication is used to treat certain eye conditions due to inflammation or injury.
Compared with Missouri prescribers
Dr. Berdy wrote 26 prescriptions for Prednisolone Acetate, about 25% as often as the typical Missouri prescriber of it (104). Medicare paid $45.12 per fill, versus $35.10 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 Missouri prescribers
Dr. Berdy wrote 24 prescriptions for Dorzolamide-Timolol, about 29% as often as the typical Missouri prescriber of it (81). Medicare paid $8.83 per fill, versus $15.62 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
Acyclovir is used to treat infections caused by certain types of viruses.
Compared with Missouri prescribers
Dr. Berdy wrote 23 prescriptions for Acyclovir, about 85% as often as the typical Missouri prescriber of it (27). Medicare paid $20.46 per fill, versus $14.74 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 a parasitic infection of the eye (Demodex blepharitis) that can especially affect the eyelids.
Compared with Missouri prescribers
Dr. Berdy wrote 23 prescriptions for Xdemvy, about 81% as often as the typical Missouri prescriber of it (28). Medicare paid $1,916.03 per fill, versus $1,917.76 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 Missouri prescribers
Dr. Berdy wrote 22 prescriptions for Brimonidine Tartrate-Timolol, about 67% as often as the typical Missouri prescriber of it (33). Medicare paid $172.38 per fill, versus $157.54 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 used to treat swelling (inflammation) and pain in the eye after a certain type of eye surgery (cataract surgery).
Compared with Missouri prescribers
Dr. Berdy wrote 20 prescriptions for Bromfenac Sodium, about 68% as often as the typical Missouri prescriber of it (29). Medicare paid $261.17 per fill, versus $214.18 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 Missouri prescribers
Dr. Berdy wrote 19 prescriptions for Combigan, about 67% as often as the typical Missouri prescriber of it (29). Medicare paid $365.86 per fill, versus $345.04 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
Cyclosporine eye drops are used to treat a certain type of dry eyes.
Compared with Missouri prescribers
Dr. Berdy wrote 19 prescriptions for Cyclosporine, about 79% as often as the typical Missouri prescriber of it (24). Medicare paid $617.67 per fill, versus $484.87 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 medication is used to treat a wide variety of bacterial infections, including those that cause acne.
Compared with Missouri prescribers
Dr. Berdy wrote 19 prescriptions for Doxycycline Hyclate, about half as often as the typical Missouri prescriber of it (36). Medicare paid $37.38 per fill, versus $13.16 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
Icosapent ethyl is used along with certain other cholesterol medications ("statins" such as atorvastatin, simvastatin) to reduce the risk of heart attack, stroke, and certain types of heart problems that require treatment in a hospital.
Compared with Missouri prescribers
Dr. Berdy wrote 18 prescriptions for Icosapent Ethyl, about 83% as often as the typical Missouri prescriber of it (22). Medicare paid $248.41 per fill, versus $232.82 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
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 Missouri prescribers
Dr. Berdy wrote 18 prescriptions for Rocklatan, about half as often as the typical Missouri prescriber of it (38). Medicare paid $578.64 per fill, versus $487.19 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
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 Missouri prescribers
Dr. Berdy wrote 17 prescriptions for Dorzolamide Hcl, about 42% as often as the typical Missouri prescriber of it (41). Medicare paid $16.84 per fill, versus $17.92 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
Ganciclovir is used to treat herpes infection of the eye.
Compared with Missouri prescribers
Fewer than five Missouri prescribers wrote this medication, so there is no state comparison.
What it is used for
This medication is used to treat certain eye conditions due to inflammation or injury.
Compared with Missouri prescribers
Dr. Berdy wrote 15 prescriptions for Loteprednol Etabonate, about half as often as the typical Missouri prescriber of it (28). Medicare paid $173.85 per fill, versus $140.76 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 certain eye disorder (neurotrophic keratitis) that causes a loss of nerve function to a certain part of your eye (the cornea).
Compared with Missouri prescribers
Dr. Berdy wrote 12 prescriptions for Oxervate, about half as often as the typical Missouri prescriber of it (21). Medicare paid $47,934.89 per fill, versus $38,530.45 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. Berdy’s prescriptions
What does Dr. Berdy prescribe most?
In 2024 Medicare Part D data, Dr. Berdy's most prescribed medications were Lotemax Sm (255), Vyzulta (194) and Azithromycin (181).
How does Dr. Berdy's prescribing compare with other Missouri prescribers?
Of the 39 medications with a state comparison, Dr. Berdy prescribes 13 more often than the typical Missouri prescriber, 11 about as often and 15 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Berdy 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 Missouri 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.
