DR. JOHN SHERMAN COLEN M.D.
Prescription History 1982934063
Urology in Houston, TX
What does Dr. Colen prescribe?
In 2024, Dr. Colen wrote 2,911 Medicare prescriptions for 29 medications. The most prescribed was Tamsulosin Hcl, with 1,024 prescriptions for 339 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. Colen prescribes.
Medications 29 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 Texas 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 Texas prescribers
Dr. Colen wrote 1,024 prescriptions for Tamsulosin Hcl, about 12 times as often as the typical Texas prescriber of it (86). Medicare paid $45.81 per fill, versus $14.12 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with Texas prescribers
Dr. Colen wrote 394 prescriptions for Finasteride, about 7.2 times as often as the typical Texas prescriber of it (54). Medicare paid $31.46 per fill, versus $13.02 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
This is a long-acting form of oxybutynin that is used to treat overactive bladder and urinary conditions.
Compared with Texas prescribers
Dr. Colen wrote 342 prescriptions for Oxybutynin Chloride Er, about 11 times as often as the typical Texas prescriber of it (32). Medicare paid $60.02 per fill, versus $22.08 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 Texas prescribers
Dr. Colen wrote 173 prescriptions for Myrbetriq, about 4 times as often as the typical Texas prescriber of it (43). Medicare paid $502.21 per fill, versus $682.81 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 an antibiotic used to treat bladder infections (acute cystitis).
Compared with Texas prescribers
Dr. Colen wrote 123 prescriptions for Nitrofurantoin Mono-Macro, about 4.2 times as often as the typical Texas prescriber of it (29). Medicare paid $12.33 per fill, versus $17.68 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
This medication is used in men who do not make enough of a natural substance called testosterone.
Compared with Texas prescribers
Dr. Colen wrote 86 prescriptions for Testosterone Cypionate, about 2.8 times as often as the typical Texas prescriber of it (31). Medicare paid $47.26 per fill, versus $43.91 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
This medication is used to treat an overactive bladder.
Compared with Texas prescribers
Dr. Colen wrote 80 prescriptions for Trospium Chloride Er, about 3.1 times as often as the typical Texas prescriber of it (25). Medicare paid $152.87 per fill, versus $168.82 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 combination of two antibiotics: sulfamethoxazole and trimethoprim.
Compared with Texas prescribers
Dr. Colen wrote 77 prescriptions for Sulfamethoxazole-Trimethoprim, about 2.8 times as often as the typical Texas prescriber of it (27). Medicare paid $2.52 per fill, versus $5.34 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
Alfuzosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Texas prescribers
Dr. Colen wrote 50 prescriptions for Alfuzosin Hcl Er, about as often as the typical Texas prescriber of it (48). Medicare paid $49.35 per fill, versus $23.28 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
Desmopressin is used to control the amount of urine your kidneys make.
Compared with Texas prescribers
Dr. Colen wrote 49 prescriptions for Desmopressin Acetate, about 2.4 times as often as the typical Texas prescriber of it (21). Medicare paid $45.10 per fill, versus $73.49 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
Levofloxacin is used to treat a variety of bacterial infections.
Compared with Texas prescribers
Dr. Colen wrote 46 prescriptions for Levofloxacin, about 1.7 times as often as the typical Texas prescriber of it (28). Medicare paid $1.44 per fill, versus $5.32 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/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections.
Compared with Texas prescribers
Dr. Colen wrote 41 prescriptions for Amoxicillin-Clavulanate Potass, about 1.4 times as often as the typical Texas prescriber of it (30). Medicare paid $11.60 per fill, versus $9.53 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 relieve moderate to severe pain.
Compared with Texas prescribers
Dr. Colen wrote 39 prescriptions for Hydrocodone-Acetaminophen, about 32% as often as the typical Texas prescriber of it (120). Medicare paid $4.56 per fill, versus $25.16 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 a variety of bacterial infections.
Compared with Texas prescribers
Dr. Colen wrote 34 prescriptions for Ciprofloxacin Hcl, about as often as the typical Texas prescriber of it (32). Medicare paid $5.76 per fill, versus $7.25 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
This medication is used to treat overactive bladder.
Compared with Texas prescribers
Dr. Colen wrote 33 prescriptions for Gemtesa, about half as often as the typical Texas prescriber of it (63). Medicare paid $548.15 per fill, versus $655.77 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
Solifenacin is used to treat an overactive bladder.
Compared with Texas prescribers
Dr. Colen wrote 33 prescriptions for Solifenacin Succinate, about as often as the typical Texas prescriber of it (35). Medicare paid $99.55 per fill, versus $45.66 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 make the urine less acidic.
Compared with Texas prescribers
Dr. Colen wrote 31 prescriptions for Potassium Citrate Er, about 1.2 times as often as the typical Texas prescriber of it (26). Medicare paid $102.83 per fill, versus $88.75 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 used in men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Texas prescribers
Dr. Colen wrote 30 prescriptions for Dutasteride, about 87% as often as the typical Texas prescriber of it (34). Medicare paid $77.08 per fill, versus $34.25 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
This medication is a hormone.
Compared with Texas prescribers
Dr. Colen wrote 28 prescriptions for Estradiol, about 71% as often as the typical Texas prescriber of it (39). Medicare paid $65.03 per fill, versus $48.80 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
Darifenacin is used to treat an overactive bladder.
Compared with Texas prescribers
Dr. Colen wrote 26 prescriptions for Darifenacin Er, about 1.2 times as often as the typical Texas prescriber of it (22). Medicare paid $150.79 per fill, versus $142.83 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
Sildenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED).
Compared with Texas prescribers
Dr. Colen wrote 24 prescriptions for Sildenafil Citrate, about as often as the typical Texas prescriber of it (21). Medicare paid $88.05 per fill, versus $64.74 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
See also Warning section.
Compared with Texas prescribers
Dr. Colen wrote 23 prescriptions for Tramadol Hcl, about 37% as often as the typical Texas prescriber of it (61). Medicare paid $1.11 per fill, versus $7.30 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
Doxazosin is used alone or with other drugs to treat high blood pressure (hypertension).
Compared with Texas prescribers
Dr. Colen wrote 22 prescriptions for Doxazosin Mesylate, about 79% as often as the typical Texas prescriber of it (28). Medicare paid $40.43 per fill, versus $15.33 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 Texas prescribers
Dr. Colen wrote 21 prescriptions for Terazosin Hcl, about as often as the typical Texas prescriber of it (22). Medicare paid $19.36 per fill, versus $16.85 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
Bicalutamide is used to treat prostate cancer.
Compared with Texas prescribers
Dr. Colen wrote 19 prescriptions for Bicalutamide, about 70% as often as the typical Texas prescriber of it (27). Medicare paid $28.26 per fill, versus $27.73 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 Texas prescribers
Dr. Colen wrote 19 prescriptions for Testosterone, about 86% as often as the typical Texas prescriber of it (22). Medicare paid $62.53 per fill, versus $168.39 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 Texas prescribers
Dr. Colen wrote 16 prescriptions for Silodosin, about half as often as the typical Texas prescriber of it (34). Medicare paid $88.66 per fill, versus $85.16 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 a wide variety of bacterial infections.
Compared with Texas prescribers
Dr. Colen wrote 15 prescriptions for Cephalexin, about half as often as the typical Texas prescriber of it (31). Medicare paid $5.37 per fill, versus $7.88 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 an overactive bladder.
Compared with Texas prescribers
Dr. Colen wrote 13 prescriptions for Trospium Chloride, about 36% as often as the typical Texas prescriber of it (36). Medicare paid $58.44 per fill, versus $56.95 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. Colen’s prescriptions
What does Dr. Colen prescribe most?
In 2024 Medicare Part D data, Dr. Colen's most prescribed medications were Tamsulosin Hcl (1,024), Finasteride (394) and Oxybutynin Chloride Er (342).
How does Dr. Colen's prescribing compare with other Texas prescribers?
Of the 29 medications with a state comparison, Dr. Colen prescribes 11 more often than the typical Texas prescriber, 10 about as often and 8 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Colen 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 Texas 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.
