MARC S GREENSTEIN DO
Prescription History 1346354404
Obstetrics & Gynecology - Urogynecology and Reconstructive Pelvic Surgery in Rochester, NY
What does Dr. Greenstein prescribe?
In 2024, Dr. Greenstein wrote 809 Medicare prescriptions for 20 medications. The most prescribed was Estradiol, with 192 prescriptions for 94 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. Greenstein prescribes.
Medications 20 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
This medication is a hormone.
Compared with New York prescribers
Dr. Greenstein wrote 192 prescriptions for Estradiol, about 4.1 times as often as the typical New York prescriber of it (47). Medicare paid $129.21 per fill, versus $84.40 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 certain bladder problems (overactive bladder, neurogenic detrusor overactivity).
Compared with New York prescribers
Dr. Greenstein wrote 110 prescriptions for Myrbetriq, about 2.2 times as often as the typical New York prescriber of it (51). Medicare paid $744.51 per fill, versus $630.56 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
This medication is used to treat a wide variety of bacterial infections.
Compared with New York prescribers
Dr. Greenstein wrote 70 prescriptions for Cephalexin, about 2.4 times as often as the typical New York prescriber of it (29). Medicare paid $9.04 per fill, versus $8.35 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
This medication is an antibiotic used to treat bladder infections (acute cystitis).
Compared with New York prescribers
Dr. Greenstein wrote 70 prescriptions for Nitrofurantoin Mono-Macro, about 2.7 times as often as the typical New York prescriber of it (25). Medicare paid $20.48 per fill, versus $13.08 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 bladder problems (overactive bladder, neurogenic detrusor overactivity).
Compared with New York prescribers
Dr. Greenstein wrote 50 prescriptions for Mirabegron Er, about 2.1 times as often as the typical New York prescriber of it (24). Medicare paid $513.50 per fill, versus $488.85 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with New York prescribers
Dr. Greenstein wrote 43 prescriptions for Alendronate Sodium, about 83% as often as the typical New York prescriber of it (52). Medicare paid $9.55 per fill, versus $7.76 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
Darifenacin is used to treat an overactive bladder.
Compared with New York prescribers
Dr. Greenstein wrote 27 prescriptions for Darifenacin Er, about 1.2 times as often as the typical New York prescriber of it (23). Medicare paid $204.57 per fill, versus $145.31 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
Fluconazole is used to treat vaginal yeast infections.
Compared with New York prescribers
Dr. Greenstein wrote 26 prescriptions for Fluconazole, about 1.2 times as often as the typical New York prescriber of it (22). Medicare paid $1.99 per fill, versus $12.21 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 fungal skin infections.
Compared with New York prescribers
Dr. Greenstein wrote 26 prescriptions for Nystatin-Triamcinolone, about 1.3 times as often as the typical New York prescriber of it (20). Medicare paid $28.34 per fill, versus $26.82 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 a hormone (estrogen).
Compared with New York prescribers
Dr. Greenstein wrote 25 prescriptions for Yuvafem, about as often as the typical New York prescriber of it (23). Medicare paid $263.91 per fill, versus $164.49 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 help relieve moderate to severe pain.
Compared with New York prescribers
Dr. Greenstein wrote 23 prescriptions for Oxycodone Hcl, about half as often as the typical New York prescriber of it (47). Medicare paid $2.04 per fill, versus $15.52 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, psoriasis, dermatitis, allergies, rash).
Compared with New York prescribers
Dr. Greenstein wrote 21 prescriptions for Clobetasol Propionate, about half as often as the typical New York prescriber of it (49). Medicare paid $13.99 per fill, versus $80.47 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 is a long-acting form of oxybutynin that is used to treat overactive bladder and urinary conditions.
Compared with New York prescribers
Dr. Greenstein wrote 20 prescriptions for Oxybutynin Chloride Er, about half as often as the typical New York prescriber of it (36). Medicare paid $23.26 per fill, versus $20.43 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
Metronidazole is an antibiotic that is used to treat a wide variety of infections.
Compared with New York prescribers
Dr. Greenstein wrote 19 prescriptions for Metronidazole, about 68% as often as the typical New York prescriber of it (28). Medicare paid $11.29 per fill, versus $39.61 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
Solifenacin is used to treat an overactive bladder.
Compared with New York prescribers
Dr. Greenstein wrote 19 prescriptions for Solifenacin Succinate, about half as often as the typical New York prescriber of it (37). Medicare paid $37.81 per fill, versus $53.46 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 certain urinary tract infections.
Compared with New York prescribers
Dr. Greenstein wrote 16 prescriptions for Nitrofurantoin, about half as often as the typical New York prescriber of it (27). Medicare paid $38.10 per fill, versus $28.72 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
This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with New York prescribers
Dr. Greenstein wrote 16 prescriptions for Sulfamethoxazole-Trimethoprim, about 61% as often as the typical New York prescriber of it (26). Medicare paid $1.53 per fill, versus $4.43 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
Valacyclovir is used to treat infections caused by certain types of viruses.
Compared with New York prescribers
Dr. Greenstein wrote 13 prescriptions for Valacyclovir, about half as often as the typical New York prescriber of it (24). Medicare paid $40.25 per fill, versus $29.38 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 New York prescribers
Dr. Greenstein wrote 12 prescriptions for Gabapentin, about 15% as often as the typical New York prescriber of it (82). Medicare paid $17.58 per fill, versus $12.77 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 treat an overactive bladder.
Compared with New York prescribers
Dr. Greenstein wrote 11 prescriptions for Trospium Chloride, about 27% as often as the typical New York prescriber of it (41). Medicare paid $35.15 per fill, versus $47.89 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. Greenstein’s prescriptions
What does Dr. Greenstein prescribe most?
In 2024 Medicare Part D data, Dr. Greenstein's most prescribed medications were Estradiol (192), Myrbetriq (110) and Cephalexin (70).
How does Dr. Greenstein's prescribing compare with other New York prescribers?
Of the 20 medications with a state comparison, Dr. Greenstein prescribes 6 more often than the typical New York prescriber, 4 about as often and 10 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Greenstein 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.
