DR. KLARK BENNETT TURPEN M.D.
Prescription History 1114124021
Internal Medicine - Sleep Medicine in Glasgow, KY
What does Dr. Turpen prescribe?
In 2024, Dr. Turpen wrote 526 Medicare prescriptions for 18 medications. The most prescribed was Zolpidem Tartrate, with 154 prescriptions for 48 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. Turpen prescribes.
Medications 18 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 Kentucky prescribers.
What it is used for
Zolpidem is used for a short time to treat a certain sleep problem (insomnia) in adults.
Compared with Kentucky prescribers
Dr. Turpen wrote 154 prescriptions for Zolpidem Tartrate, about 3.1 times as often as the typical Kentucky prescriber of it (50). Medicare paid $1.72 per fill, versus $4.42 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 depression.
Compared with Kentucky prescribers
Dr. Turpen wrote 49 prescriptions for Trazodone Hcl, about 66% as often as the typical Kentucky prescriber of it (74). Medicare paid $6.93 per fill, versus $7.28 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
Modafinil reduces extreme sleepiness due to narcolepsy and other sleep disorders, such as periods of stopped breathing during sleep (obstructive sleep apnea).
Compared with Kentucky prescribers
Dr. Turpen wrote 40 prescriptions for Modafinil, about 1.8 times as often as the typical Kentucky prescriber of it (22). Medicare paid $46.28 per fill, versus $80.94 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 mental/mood disorders (such as depression, anxiety).
Compared with Kentucky prescribers
Dr. Turpen wrote 38 prescriptions for Doxepin Hcl, about 1.4 times as often as the typical Kentucky prescriber of it (27). Medicare paid $69.40 per fill, versus $32.49 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 improve wakefulness in people that have too much daytime sleepiness due to certain sleep problems (narcolepsy, obstructive sleep apnea).
Compared with Kentucky prescribers
Dr. Turpen wrote 30 prescriptions for Sunosi, about 1.8 times as often as the typical Kentucky prescriber of it (16). Medicare paid $822.30 per fill, versus $906.37 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 alone or with other medications to treat Parkinson's disease.
Compared with Kentucky prescribers
Dr. Turpen wrote 28 prescriptions for Ropinirole Hcl, about 65% as often as the typical Kentucky prescriber of it (43). Medicare paid $6.63 per fill, versus $11.37 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
Armodafinil reduces extreme sleepiness due to narcolepsy and other sleep disorders, such as periods of stopped breathing during sleep (obstructive sleep apnea).
Compared with Kentucky prescribers
Dr. Turpen wrote 22 prescriptions for Armodafinil, about as often as the typical Kentucky prescriber of it (20). Medicare paid $42.29 per fill, versus $68.49 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
Zolpidem is used for a short time to treat a certain sleep problem (insomnia) in adults.
Compared with Kentucky prescribers
Dr. Turpen wrote 22 prescriptions for Zolpidem Tartrate Er, about 1.3 times as often as the typical Kentucky prescriber of it (17). Medicare paid $9.84 per fill, versus $22.49 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
Clonazepam is used to prevent and control seizures.
Compared with Kentucky prescribers
Dr. Turpen wrote 20 prescriptions for Clonazepam, about 32% as often as the typical Kentucky prescriber of it (62). Medicare paid $2.54 per fill, versus $5.43 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 combination medication is used to treat attention deficit hyperactivity disorder - ADHD.
Compared with Kentucky prescribers
Dr. Turpen wrote 19 prescriptions for Dextroamphetamine-Amphetamine, about half as often as the typical Kentucky prescriber of it (35). Medicare paid $29.07 per fill, versus $26.39 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
Pitolisant is used to treat narcolepsy, a condition that causes severe daytime sleepiness.
Compared with Kentucky prescribers
Dr. Turpen wrote 19 prescriptions for Wakix, about 1.4 times as often as the typical Kentucky prescriber of it (13). Medicare paid $9,381.09 per fill, versus $11,398.58 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
Modafinil reduces extreme sleepiness due to narcolepsy and other sleep disorders, such as periods of stopped breathing during sleep (obstructive sleep apnea).
Compared with Kentucky prescribers
Fewer than five Kentucky prescribers wrote this medication, so there is no state comparison.
What it is used for
This medication is used to treat attention deficit hyperactivity disorder - ADHD.
Compared with Kentucky prescribers
Dr. Turpen wrote 13 prescriptions for Methylphenidate Hcl, about half as often as the typical Kentucky prescriber of it (23). Medicare paid $4.89 per fill, versus $23.89 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 attention deficit hyperactivity disorder - ADHD.
Compared with Kentucky prescribers
Dr. Turpen wrote 12 prescriptions for Dextroamphetamine Sulfate, about 88% as often as the typical Kentucky prescriber of it (14). Medicare paid $31.48 per fill, versus $144.23 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 sleep problem (insomnia).
Compared with Kentucky prescribers
Dr. Turpen wrote 12 prescriptions for Temazepam, about half as often as the typical Kentucky prescriber of it (28). Medicare paid $1.22 per fill, versus $8.65 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 narcolepsy, a condition that causes severe daytime sleepiness.
Compared with Kentucky prescribers
Dr. Turpen wrote 12 prescriptions for Xywav, about half as often as the typical Kentucky prescriber of it (21). Medicare paid $16,673.40 per fill, versus $18,897.98 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 medication is used to treat attention deficit hyperactivity disorder - ADHD.
Compared with Kentucky prescribers
Dr. Turpen wrote 11 prescriptions for Dextroamphetamine Sulfate Er, about 73% as often as the typical Kentucky prescriber of it (15). Medicare paid $240.50 per fill, versus $109.72 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
Fluticasone is used to relieve seasonal and year-round allergic and non-allergic nasal symptoms, such as stuffy/runny nose, itching, and sneezing.
Compared with Kentucky prescribers
Dr. Turpen wrote 11 prescriptions for Fluticasone Propionate, about 16% as often as the typical Kentucky prescriber of it (67). Medicare paid $5.88 per fill, versus $10.99 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. Turpen’s prescriptions
What does Dr. Turpen prescribe most?
In 2024 Medicare Part D data, Dr. Turpen's most prescribed medications were Zolpidem Tartrate (154), Trazodone Hcl (49) and Modafinil (40).
How does Dr. Turpen's prescribing compare with other Kentucky prescribers?
Of the 17 medications with a state comparison, Dr. Turpen prescribes 6 more often than the typical Kentucky prescriber, 2 about as often and 9 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Turpen 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 Kentucky 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.
