MARK THOMSEN M.D.
Prescription History 1972988921
Psychiatry & Neurology - Psychiatry in Omaha, NE
What does Dr. Thomsen prescribe?
In 2024, Dr. Thomsen wrote 1,179 Medicare prescriptions for 38 medications. The most prescribed was Bupropion Xl (bupropion hcl), with 84 prescriptions for 14 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. Thomsen prescribes.
Medications 38 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 Nebraska prescribers.
What it is used for
This medication is used to treat depression.
Compared with Nebraska prescribers
Dr. Thomsen wrote 84 prescriptions for Bupropion Xl, about 2 times as often as the typical Nebraska prescriber of it (41). Medicare paid $17.62 per fill, versus $22.94 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 schizophrenia, bipolar disorder).
Compared with Nebraska prescribers
Dr. Thomsen wrote 84 prescriptions for Olanzapine, about 1.8 times as often as the typical Nebraska prescriber of it (48). Medicare paid $17.59 per fill, versus $22.40 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
See also Warning section.
Compared with Nebraska prescribers
Dr. Thomsen wrote 72 prescriptions for Clozapine, about 1.2 times as often as the typical Nebraska prescriber of it (59). Medicare paid $33.74 per fill, versus $65.35 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 used to treat certain mental/mood disorders (such as schizophrenia, schizoaffective disorder).
Compared with Nebraska prescribers
Dr. Thomsen wrote 71 prescriptions for Invega Sustenna, about 2.1 times as often as the typical Nebraska prescriber of it (34). Medicare paid $2,411.31 per fill, versus $3,181.96 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
Prazosin is used with or without other medications to treat high blood pressure.
Compared with Nebraska prescribers
Dr. Thomsen wrote 57 prescriptions for Prazosin Hcl, about 1.6 times as often as the typical Nebraska prescriber of it (36). Medicare paid $19.43 per fill, versus $17.67 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
This medication is used to treat depression.
Compared with Nebraska prescribers
Dr. Thomsen wrote 52 prescriptions for Trazodone Hcl, about 82% as often as the typical Nebraska prescriber of it (64). Medicare paid $6.06 per fill, versus $8.39 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
This medication is used to treat anxiety.
Compared with Nebraska prescribers
Dr. Thomsen wrote 51 prescriptions for Buspirone Hcl, about 1.2 times as often as the typical Nebraska prescriber of it (42). Medicare paid $11.28 per fill, versus $15.36 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, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with Nebraska prescribers
Dr. Thomsen wrote 51 prescriptions for Sertraline Hcl, about 75% as often as the typical Nebraska prescriber of it (68). Medicare paid $18.90 per fill, versus $8.76 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 certain mental/mood disorders (such as bipolar disorder, schizophrenia, Tourette's syndrome, and irritability associated with autistic disorder).
Compared with Nebraska prescribers
Dr. Thomsen wrote 38 prescriptions for Aripiprazole, about 90% as often as the typical Nebraska prescriber of it (42). Medicare paid $26.16 per fill, versus $56.99 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
This combination medication is used to treat attention deficit hyperactivity disorder - ADHD.
Compared with Nebraska prescribers
Dr. Thomsen wrote 36 prescriptions for Dextroamphetamine-Amphet Er, about 1.6 times as often as the typical Nebraska prescriber of it (22). Medicare paid $50.64 per fill, versus $62.72 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 used to treat anxiety.
Compared with Nebraska prescribers
Dr. Thomsen wrote 33 prescriptions for Lorazepam, about 70% as often as the typical Nebraska prescriber of it (47). Medicare paid $3.46 per fill, versus $7.68 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 to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Nebraska prescribers
Dr. Thomsen wrote 32 prescriptions for Duloxetine Hcl, about half as often as the typical Nebraska prescriber of it (62). Medicare paid $16.89 per fill, versus $22.46 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 certain mental/mood disorders (such as depression, anxiety).
Compared with Nebraska prescribers
Dr. Thomsen wrote 31 prescriptions for Escitalopram Oxalate, about half as often as the typical Nebraska prescriber of it (56). Medicare paid $8.74 per fill, versus $10.77 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 certain mental/mood disorders (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder).
Compared with Nebraska prescribers
Dr. Thomsen wrote 31 prescriptions for Quetiapine Fumarate, about half as often as the typical Nebraska prescriber of it (56). Medicare paid $13.18 per fill, versus $17.53 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 medication is used to treat manic-depressive disorder (bipolar disorder).
Compared with Nebraska prescribers
Dr. Thomsen wrote 29 prescriptions for Lithium Carbonate Er, about 1.3 times as often as the typical Nebraska prescriber of it (23). Medicare paid $15.46 per fill, versus $14.53 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Nebraska prescribers
Dr. Thomsen wrote 29 prescriptions for Metformin Hcl, about 36% as often as the typical Nebraska prescriber of it (81). Medicare paid $5.77 per fill, versus $7.40 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
Topiramate is used alone or with other medications to prevent and control seizures (epilepsy).
Compared with Nebraska prescribers
Dr. Thomsen wrote 28 prescriptions for Topiramate, about 82% as often as the typical Nebraska prescriber of it (34). Medicare paid $6.55 per fill, versus $11.29 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
Hydroxyzine is used to treat itching caused by allergies.
Compared with Nebraska prescribers
Dr. Thomsen wrote 27 prescriptions for Hydroxyzine Hcl, about as often as the typical Nebraska prescriber of it (28). Medicare paid $21.17 per fill, versus $18.43 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
Lamotrigine is used alone or with other medications to prevent and control seizures.
Compared with Nebraska prescribers
Dr. Thomsen wrote 27 prescriptions for Lamotrigine, about half as often as the typical Nebraska prescriber of it (51). Medicare paid $8.04 per fill, versus $13.55 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 Nebraska prescribers
Dr. Thomsen wrote 27 prescriptions for Zolpidem Tartrate, about 69% as often as the typical Nebraska prescriber of it (39). Medicare paid $6.46 per fill, versus $8.02 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 medication is used to treat obsessive-compulsive disorder (OCD).
Compared with Nebraska prescribers
Dr. Thomsen wrote 26 prescriptions for Fluvoxamine Maleate, about as often as the typical Nebraska prescriber of it (25). Medicare paid $69.87 per fill, versus $46.45 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 combination medication is used to treat attention deficit hyperactivity disorder - ADHD.
Compared with Nebraska prescribers
Dr. Thomsen wrote 21 prescriptions for Dextroamphetamine-Amphetamine, about 78% as often as the typical Nebraska prescriber of it (27). Medicare paid $28.14 per fill, versus $32.89 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 certain mental/mood disorders (such as schizophrenia, bipolar disorder).
Compared with Nebraska prescribers
Dr. Thomsen wrote 21 prescriptions for Risperidone Er, about 80% as often as the typical Nebraska prescriber of it (26). Medicare paid $981.66 per fill, versus $947.84 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 Nebraska prescribers
Fewer than five Nebraska prescribers wrote this medication, so there is no state comparison.
What it is used for
This medication is a beta blocker used to treat high blood pressure, irregular heartbeats, shaking (tremors), and other conditions.
Compared with Nebraska prescribers
Dr. Thomsen wrote 20 prescriptions for Propranolol Hcl, about 78% as often as the typical Nebraska prescriber of it (26). Medicare paid $13.17 per fill, versus $16.71 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 certain mental/mood disorders (such as depression, anxiety, panic attacks, and social anxiety disorder).
Compared with Nebraska prescribers
Dr. Thomsen wrote 19 prescriptions for Venlafaxine Hcl Er, about half as often as the typical Nebraska prescriber of it (40). Medicare paid $10.04 per fill, versus $18.80 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
This medication is used to treat seizure disorders, certain psychiatric conditions (manic phase of bipolar disorder), and to prevent migraine headaches.
Compared with Nebraska prescribers
Dr. Thomsen wrote 17 prescriptions for Divalproex Sodium, about half as often as the typical Nebraska prescriber of it (33). Medicare paid $108.86 per fill, versus $41.67 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
Atorvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Nebraska prescribers
Dr. Thomsen wrote 15 prescriptions for Atorvastatin Calcium, about 8% as often as the typical Nebraska prescriber of it (191). Medicare paid $4.46 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 used to prevent people who have been addicted to certain drugs (opiates) from taking them again.
Compared with Nebraska prescribers
Dr. Thomsen wrote 15 prescriptions for Naltrexone Hcl, about half as often as the typical Nebraska prescriber of it (27). Medicare paid $33.45 per fill, versus $52.75 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 to treat certain mental/mood disorders (such as bipolar disorder, depression, schizophrenia).
Compared with Nebraska prescribers
Dr. Thomsen wrote 15 prescriptions for Vraylar, about half as often as the typical Nebraska prescriber of it (35). Medicare paid $1,401.35 per fill, versus $1,398.45 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 before eye examinations (such as refraction) and to treat certain eye conditions (such as uveitis).
Compared with Nebraska prescribers
Dr. Thomsen wrote 14 prescriptions for Atropine Sulfate, about half as often as the typical Nebraska prescriber of it (26). Medicare paid $54.43 per fill, versus $39.11 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 mental/mood disorder (schizophrenia).
Compared with Nebraska prescribers
Dr. Thomsen wrote 13 prescriptions for Aristada, about 60% as often as the typical Nebraska prescriber of it (22). Medicare paid $2,276.25 per fill, versus $3,238.47 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 seizure disorders, mental/mood conditions (such as manic phase of bipolar disorder), and to prevent migraine headaches.
Compared with Nebraska prescribers
Dr. Thomsen wrote 13 prescriptions for Divalproex Sodium Er, about 35% as often as the typical Nebraska prescriber of it (37). Medicare paid $58.71 per fill, versus $57.28 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Nebraska prescribers
Dr. Thomsen wrote 13 prescriptions for Levothyroxine Sodium, about 7% as often as the typical Nebraska prescriber of it (178). Medicare paid $8.97 per fill, versus $8.91 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 certain mental/mood disorders (such as schizophrenia, bipolar disorder).
Compared with Nebraska prescribers
Dr. Thomsen wrote 13 prescriptions for Ziprasidone Hcl, about 38% as often as the typical Nebraska prescriber of it (34). Medicare paid $49.01 per fill, versus $76.66 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
Benztropine is used to treat symptoms of Parkinson's disease or involuntary movements due to the side effects of certain psychiatric drugs (antipsychotics such as chlorpromazine/haloperidol).
Compared with Nebraska prescribers
Dr. Thomsen wrote 12 prescriptions for Benztropine Mesylate, about 33% as often as the typical Nebraska prescriber of it (36). Medicare paid $16.96 per fill, versus $14.06 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 Nebraska prescribers
Dr. Thomsen wrote 11 prescriptions for Desvenlafaxine Succinate Er, about 36% as often as the typical Nebraska prescriber of it (30). Medicare paid $32.23 per fill, versus $49.54 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Nebraska prescribers
Dr. Thomsen wrote 11 prescriptions for Metoprolol Tartrate, about 18% as often as the typical Nebraska prescriber of it (63). Medicare paid $2.18 per fill, versus $6.11 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. Thomsen’s prescriptions
What does Dr. Thomsen prescribe most?
In 2024 Medicare Part D data, Dr. Thomsen's most prescribed medications were Bupropion Xl (84), Olanzapine (84) and Clozapine (72).
How does Dr. Thomsen's prescribing compare with other Nebraska prescribers?
Of the 37 medications with a state comparison, Dr. Thomsen prescribes 6 more often than the typical Nebraska prescriber, 10 about as often and 21 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Thomsen 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 Nebraska 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.
