DR. GREGORY A COST MD
Prescription History 1104987635
Urology in Tualatin, OR
What does Dr. Cost prescribe?
In 2024, Dr. Cost wrote 2,135 Medicare prescriptions for 34 medications. The most prescribed was Tamsulosin Hcl, with 554 prescriptions for 230 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. Cost prescribes.
Medications 34 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 Oregon prescribers.
What it is used for
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Oregon prescribers
Dr. Cost wrote 554 prescriptions for Tamsulosin Hcl, about 7.7 times as often as the typical Oregon prescriber of it (72). Medicare paid $17.26 per fill, versus $17.43 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with Oregon prescribers
Dr. Cost wrote 311 prescriptions for Finasteride, about 6.8 times as often as the typical Oregon prescriber of it (45). Medicare paid $13.87 per fill, versus $14.08 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 in men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Oregon prescribers
Dr. Cost wrote 116 prescriptions for Dutasteride, about 3.9 times as often as the typical Oregon prescriber of it (30). Medicare paid $33.65 per fill, versus $31.16 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
This medication is used to treat certain bladder problems (overactive bladder, neurogenic detrusor overactivity).
Compared with Oregon prescribers
Dr. Cost wrote 112 prescriptions for Myrbetriq, about 3.3 times as often as the typical Oregon prescriber of it (34). Medicare paid $777.33 per fill, versus $702.69 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 overactive bladder.
Compared with Oregon prescribers
Dr. Cost wrote 98 prescriptions for Gemtesa, about 2.1 times as often as the typical Oregon prescriber of it (47). Medicare paid $977.03 per fill, versus $737.48 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
Alfuzosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Oregon prescribers
Dr. Cost wrote 90 prescriptions for Alfuzosin Hcl Er, about 2.7 times as often as the typical Oregon prescriber of it (34). Medicare paid $17.25 per fill, versus $21.64 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
Solifenacin is used to treat an overactive bladder.
Compared with Oregon prescribers
Dr. Cost wrote 86 prescriptions for Solifenacin Succinate, about 2.9 times as often as the typical Oregon prescriber of it (30). Medicare paid $22.23 per fill, versus $38.66 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 Oregon prescribers
Dr. Cost wrote 74 prescriptions for Cephalexin, about 2.6 times as often as the typical Oregon prescriber of it (28). Medicare paid $8.79 per fill, versus $9.17 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 Oregon prescribers
Dr. Cost wrote 52 prescriptions for Sulfamethoxazole-Trimethoprim, about 2.3 times as often as the typical Oregon prescriber of it (22). Medicare paid $5.01 per fill, versus $6.09 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
This medication is used to treat a variety of bacterial infections.
Compared with Oregon prescribers
Dr. Cost wrote 48 prescriptions for Ciprofloxacin Hcl, about 1.8 times as often as the typical Oregon prescriber of it (26). Medicare paid $3.54 per fill, versus $7.41 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 Oregon prescribers
Dr. Cost wrote 45 prescriptions for Oxycodone Hcl, about 85% as often as the typical Oregon prescriber of it (53). Medicare paid $3.41 per fill, versus $13.58 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 is a long-acting form of oxybutynin that is used to treat overactive bladder and urinary conditions.
Compared with Oregon prescribers
Dr. Cost wrote 38 prescriptions for Oxybutynin Chloride Er, about 1.5 times as often as the typical Oregon prescriber of it (25). Medicare paid $33.22 per fill, versus $22.45 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 make the urine less acidic.
Compared with Oregon prescribers
Dr. Cost wrote 37 prescriptions for Potassium Citrate Er, about 1.6 times as often as the typical Oregon prescriber of it (24). Medicare paid $99.84 per fill, versus $97.60 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with Oregon prescribers
Dr. Cost wrote 36 prescriptions for Allopurinol, about 90% as often as the typical Oregon prescriber of it (40). Medicare paid $10.71 per fill, versus $12.52 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 an overactive bladder.
Compared with Oregon prescribers
Dr. Cost wrote 35 prescriptions for Tolterodine Tartrate, about 2.3 times as often as the typical Oregon prescriber of it (15). Medicare paid $47.68 per fill, versus $61.19 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 a hormone.
Compared with Oregon prescribers
Dr. Cost wrote 34 prescriptions for Estradiol, about as often as the typical Oregon prescriber of it (34). Medicare paid $41.57 per fill, versus $53.88 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
Tadalafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED).
Compared with Oregon prescribers
Dr. Cost wrote 33 prescriptions for Tadalafil, about as often as the typical Oregon prescriber of it (29). Medicare paid $27.01 per fill, versus $139.79 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
Doxazosin is used alone or with other drugs to treat high blood pressure (hypertension).
Compared with Oregon prescribers
Dr. Cost wrote 32 prescriptions for Doxazosin Mesylate, about 1.4 times as often as the typical Oregon prescriber of it (24). Medicare paid $11.62 per fill, versus $16.75 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 Oregon prescribers
Dr. Cost wrote 29 prescriptions for Nitrofurantoin Mono-Macro, about 1.3 times as often as the typical Oregon prescriber of it (22). Medicare paid $15.17 per fill, versus $15.68 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
Silodosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Oregon prescribers
Dr. Cost wrote 29 prescriptions for Silodosin, about as often as the typical Oregon prescriber of it (32). Medicare paid $52.51 per fill, versus $64.98 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
Enzalutamide is used to treat prostate cancer.
Compared with Oregon prescribers
Dr. Cost wrote 28 prescriptions for Xtandi, about 79% as often as the typical Oregon prescriber of it (35). Medicare paid $14,221.31 per fill, versus $13,093.14 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
Chlorthalidone is used to treat high blood pressure (hypertension).
Compared with Oregon prescribers
Dr. Cost wrote 22 prescriptions for Chlorthalidone, about 89% as often as the typical Oregon prescriber of it (25). Medicare paid $24.69 per fill, versus $17.85 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
This medicated gel contains testosterone.
Compared with Oregon prescribers
Dr. Cost wrote 22 prescriptions for Testosterone, about as often as the typical Oregon prescriber of it (21). Medicare paid $191.95 per fill, versus $178.61 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
Cimetidine is used to treat ulcers of the stomach and intestines and prevent them from coming back after they have healed.
Compared with Oregon prescribers
Dr. Cost wrote 19 prescriptions for Cimetidine, about 1.3 times as often as the typical Oregon prescriber of it (15). Medicare paid $70.65 per fill, versus $61.12 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
This medication is used in men who do not make enough of a natural substance called testosterone.
Compared with Oregon prescribers
Dr. Cost wrote 19 prescriptions for Testosterone Cypionate, about 80% as often as the typical Oregon prescriber of it (24). Medicare paid $55.92 per fill, versus $42.85 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
This medication is used to treat an overactive bladder.
Compared with Oregon prescribers
Dr. Cost wrote 18 prescriptions for Tolterodine Tartrate Er, about 86% as often as the typical Oregon prescriber of it (21). Medicare paid $97.43 per fill, versus $66.08 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
Amoxicillin is used to treat a wide variety of bacterial infections.
Compared with Oregon prescribers
Dr. Cost wrote 17 prescriptions for Amoxicillin, about half as often as the typical Oregon prescriber of it (33). Medicare paid $5.42 per fill, versus $4.03 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
This medication is used to treat pain/discomfort from a certain bladder disorder (interstitial cystitis).
Compared with Oregon prescribers
Dr. Cost wrote 17 prescriptions for Elmiron, about 1.3 times as often as the typical Oregon prescriber of it (13). Medicare paid $1,323.76 per fill, versus $957.14 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
This medication is used to treat an overactive bladder.
Compared with Oregon prescribers
Dr. Cost wrote 17 prescriptions for Trospium Chloride Er, about as often as the typical Oregon prescriber of it (18). Medicare paid $67.94 per fill, versus $125.47 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 medication is used to treat certain bladder problems (overactive bladder, neurogenic detrusor overactivity).
Compared with Oregon prescribers
Dr. Cost wrote 16 prescriptions for Fesoterodine Fumarate Er, about 87% as often as the typical Oregon prescriber of it (18). Medicare paid $133.85 per fill, versus $81.99 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 Oregon prescribers
Dr. Cost wrote 15 prescriptions for Sildenafil Citrate, about 77% as often as the typical Oregon prescriber of it (19). Medicare paid $31.25 per fill, versus $81.40 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
Terazosin is used alone or with other drugs to treat high blood pressure (hypertension).
Compared with Oregon prescribers
Dr. Cost wrote 14 prescriptions for Terazosin Hcl, about half as often as the typical Oregon prescriber of it (24). Medicare paid $11.09 per fill, versus $32.17 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
Methenamine is used to prevent or control returning urinary tract infections caused by certain bacteria.
Compared with Oregon prescribers
Dr. Cost wrote 11 prescriptions for Methenamine Hippurate, about 40% as often as the typical Oregon prescriber of it (27). Medicare paid $167.86 per fill, versus $74.15 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 a hormone used in boys (before puberty) to cause the normal dropping of the testicles into the scrotum.
Compared with Oregon prescribers
Fewer than five Oregon prescribers wrote this medication, so there is no state comparison.
Questions about Dr. Cost’s prescriptions
What does Dr. Cost prescribe most?
In 2024 Medicare Part D data, Dr. Cost's most prescribed medications were Tamsulosin Hcl (554), Finasteride (311) and Dutasteride (116).
How does Dr. Cost's prescribing compare with other Oregon prescribers?
Of the 33 medications with a state comparison, Dr. Cost prescribes 17 more often than the typical Oregon prescriber, 13 about as often and 3 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Cost 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 Oregon 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.
