WELDON JOHN MALLGREN D.O.
Prescription History 1841384021
Psychiatry & Neurology - Psychiatry in Claremore, OK
What does Dr. Mallgren prescribe?
In 2024, Dr. Mallgren wrote 1,641 Medicare prescriptions for 43 medications. The most prescribed was Clonazepam, with 115 prescriptions for 37 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. Mallgren prescribes.
Medications 43 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 Oklahoma prescribers.
What it is used for
Clonazepam is used to prevent and control seizures.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 115 prescriptions for Clonazepam, about 2.7 times as often as the typical Oklahoma prescriber of it (42). Medicare paid $6.97 per fill, versus $8.52 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 certain mental/mood disorders (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 76 prescriptions for Quetiapine Fumarate, about 1.5 times as often as the typical Oklahoma prescriber of it (50). Medicare paid $11.47 per fill, versus $18.88 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
Lamotrigine is used alone or with other medications to prevent and control seizures.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 75 prescriptions for Lamotrigine, about 1.5 times as often as the typical Oklahoma prescriber of it (50). Medicare paid $7.38 per fill, versus $17.17 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 treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 74 prescriptions for Fluoxetine Hcl, about 1.7 times as often as the typical Oklahoma prescriber of it (42). Medicare paid $5.71 per fill, versus $11.08 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 mental/mood disorders (such as bipolar disorder, schizophrenia, Tourette's syndrome, and irritability associated with autistic disorder).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 73 prescriptions for Aripiprazole, about 1.8 times as often as the typical Oklahoma prescriber of it (41). Medicare paid $70.14 per fill, versus $51.09 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 attention deficit hyperactivity disorder - ADHD.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 69 prescriptions for Methylphenidate Hcl, about 3.2 times as often as the typical Oklahoma prescriber of it (21). Medicare paid $31.79 per fill, versus $27.39 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 Oklahoma prescribers
Dr. Mallgren wrote 64 prescriptions for Lorazepam, about 1.7 times as often as the typical Oklahoma prescriber of it (38). Medicare paid $2.96 per fill, versus $7.31 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 61 prescriptions for Gabapentin, about half as often as the typical Oklahoma prescriber of it (115). Medicare paid $12.80 per fill, versus $16.87 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 Oklahoma prescribers
Dr. Mallgren wrote 60 prescriptions for Prazosin Hcl, about 1.8 times as often as the typical Oklahoma prescriber of it (34). Medicare paid $11.77 per fill, versus $18.08 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 mental/mood disorders (such as schizophrenia, schizoaffective disorder).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 56 prescriptions for Invega Sustenna, about 1.3 times as often as the typical Oklahoma prescriber of it (43). Medicare paid $3,179.57 per fill, versus $3,139.89 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
Zolpidem is used for a short time to treat a certain sleep problem (insomnia) in adults.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 56 prescriptions for Zolpidem Tartrate, about as often as the typical Oklahoma prescriber of it (49). Medicare paid $5.91 per fill, versus $7.63 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 Oklahoma prescribers
Dr. Mallgren wrote 55 prescriptions for Bupropion Xl, about 1.4 times as often as the typical Oklahoma prescriber of it (39). Medicare paid $12.26 per fill, versus $24.01 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 Oklahoma prescribers
Dr. Mallgren wrote 51 prescriptions for Dextroamphetamine-Amphetamine, about 1.6 times as often as the typical Oklahoma prescriber of it (32). Medicare paid $38.38 per fill, versus $33.80 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 certain mental/mood disorders (such as depression, anxiety).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 50 prescriptions for Escitalopram Oxalate, about 84% as often as the typical Oklahoma prescriber of it (60). Medicare paid $8.63 per fill, versus $12.96 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
Alprazolam is used to treat anxiety and panic disorders.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 46 prescriptions for Alprazolam, about 69% as often as the typical Oklahoma prescriber of it (67). Medicare paid $9.99 per fill, versus $5.19 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
Diazepam is used to treat anxiety, alcohol withdrawal, and seizures.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 44 prescriptions for Diazepam, about 1.5 times as often as the typical Oklahoma prescriber of it (30). Medicare paid $6.22 per fill, versus $7.17 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 treat certain mental/mood disorders (such as schizophrenia, bipolar disorder).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 40 prescriptions for Olanzapine, about 73% as often as the typical Oklahoma prescriber of it (55). Medicare paid $18.36 per fill, versus $23.27 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 Oklahoma prescribers
Dr. Mallgren wrote 39 prescriptions for Benztropine Mesylate, about as often as the typical Oklahoma prescriber of it (43). Medicare paid $10.76 per fill, versus $13.93 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 high blood pressure (hypertension).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 35 prescriptions for Clonidine Hcl, about as often as the typical Oklahoma prescriber of it (35). Medicare paid $3.15 per fill, versus $6.98 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
See also Warning section.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 35 prescriptions for Clozapine, about 29% as often as the typical Oklahoma prescriber of it (122). Medicare paid $156.49 per fill, versus $81.80 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 certain mental/mood disorders (such as schizophrenia, bipolar disorder, irritability associated with autistic disorder).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 34 prescriptions for Risperidone, about 70% as often as the typical Oklahoma prescriber of it (48). Medicare paid $14.27 per fill, versus $15.86 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 Oklahoma prescribers
Dr. Mallgren wrote 34 prescriptions for Venlafaxine Hcl Er, about as often as the typical Oklahoma prescriber of it (35). Medicare paid $6.87 per fill, versus $25.09 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 certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 31 prescriptions for Sertraline Hcl, about half as often as the typical Oklahoma prescriber of it (61). Medicare paid $4.45 per fill, versus $10.16 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 anxiety.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 27 prescriptions for Buspirone Hcl, about half as often as the typical Oklahoma prescriber of it (50). Medicare paid $11.67 per fill, versus $15.71 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 a certain sleep problem (insomnia).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 27 prescriptions for Eszopiclone, about as often as the typical Oklahoma prescriber of it (24). Medicare paid $17.05 per fill, versus $20.41 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 treat depression.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 27 prescriptions for Trazodone Hcl, about 36% as often as the typical Oklahoma prescriber of it (75). Medicare paid $5.67 per fill, versus $9.85 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 certain mental/mood disorders (such as depression, anxiety).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 25 prescriptions for Duloxetine Hcl, about 42% as often as the typical Oklahoma prescriber of it (60). Medicare paid $18.24 per fill, versus $27.45 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 treat certain mental/mood disorders (such as schizophrenia, psychotic disorders, manic phase of bipolar disorder, severe behavioral problems in children).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 24 prescriptions for Chlorpromazine Hcl, about as often as the typical Oklahoma prescriber of it (24). Medicare paid $230.77 per fill, versus $235.05 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 Oklahoma prescribers
Dr. Mallgren wrote 23 prescriptions for Hydroxyzine Hcl, about 72% as often as the typical Oklahoma prescriber of it (32). Medicare paid $30.48 per fill, versus $18.21 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 certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, anxiety disorders, post-traumatic stress disorder).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 19 prescriptions for Paroxetine Hcl, about 70% as often as the typical Oklahoma prescriber of it (27). Medicare paid $8.65 per fill, versus $15.12 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
Topiramate is used alone or with other medications to prevent and control seizures (epilepsy).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 19 prescriptions for Topiramate, about half as often as the typical Oklahoma prescriber of it (35). Medicare paid $5.05 per fill, versus $13.31 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
This medication is used to treat certain mental/mood disorders (such as schizophrenia, schizoaffective disorders).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 18 prescriptions for Haloperidol, about half as often as the typical Oklahoma prescriber of it (36). Medicare paid $30.48 per fill, versus $36.88 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 a certain sleep problem (insomnia).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 18 prescriptions for Temazepam, about half as often as the typical Oklahoma prescriber of it (31). Medicare paid $7.64 per fill, versus $11.11 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 certain mental/mood disorders (such as depression, anxiety).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 16 prescriptions for Doxepin Hcl, about half as often as the typical Oklahoma prescriber of it (27). Medicare paid $42.27 per fill, versus $33.76 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
Trihexyphenidyl 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 Oklahoma prescribers
Dr. Mallgren wrote 16 prescriptions for Trihexyphenidyl Hcl, about half as often as the typical Oklahoma prescriber of it (28). Medicare paid $10.40 per fill, versus $13.73 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 medication contains 2 medicines: buprenorphine and naloxone.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 15 prescriptions for Buprenorphine-Naloxone, about 26% as often as the typical Oklahoma prescriber of it (58). Medicare paid $46.47 per fill, versus $127.53 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
Hydroxyzine is used to treat itching caused by allergies.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 15 prescriptions for Hydroxyzine Pamoate, about half as often as the typical Oklahoma prescriber of it (31). Medicare paid $22.90 per fill, versus $14.48 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
This medication is used to treat certain mental/mood disorders (such as schizophrenia, depression associated with bipolar disorder).
Compared with Oklahoma prescribers
Dr. Mallgren wrote 15 prescriptions for Lurasidone Hcl, about half as often as the typical Oklahoma prescriber of it (32). Medicare paid $87.76 per fill, versus $136.43 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 medication is used to treat depression.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 15 prescriptions for Mirtazapine, about 31% as often as the typical Oklahoma prescriber of it (48). Medicare paid $14.30 per fill, versus $18.91 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
Lisdexamfetamine is used to treat attention deficit hyperactivity disorder (ADHD) as part of a total treatment plan, including psychological, social, and other treatments.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 14 prescriptions for Lisdexamfetamine Dimesylate, about 77% as often as the typical Oklahoma prescriber of it (18). Medicare paid $243.16 per fill, versus $189.43 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
Atomoxetine is used to treat attention-deficit hyperactivity disorder (ADHD) as part of a total treatment plan, including psychological, social, and other treatments.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 12 prescriptions for Atomoxetine Hcl, about 64% as often as the typical Oklahoma prescriber of it (19). Medicare paid $84.23 per fill, versus $94.40 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
Zolpidem is used for a short time to treat a certain sleep problem (insomnia) in adults.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 12 prescriptions for Zolpidem Tartrate Er, about 71% as often as the typical Oklahoma prescriber of it (17). Medicare paid $24.42 per fill, versus $27.18 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 beta blocker used to treat high blood pressure, irregular heartbeats, shaking (tremors), and other conditions.
Compared with Oklahoma prescribers
Dr. Mallgren wrote 11 prescriptions for Propranolol Hcl, about 40% as often as the typical Oklahoma prescriber of it (28). Medicare paid $11.10 per fill, versus $16.14 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. Mallgren’s prescriptions
What does Dr. Mallgren prescribe most?
In 2024 Medicare Part D data, Dr. Mallgren's most prescribed medications were Clonazepam (115), Quetiapine Fumarate (76) and Lamotrigine (75).
How does Dr. Mallgren's prescribing compare with other Oklahoma prescribers?
Of the 43 medications with a state comparison, Dr. Mallgren prescribes 12 more often than the typical Oklahoma prescriber, 8 about as often and 23 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Mallgren 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 Oklahoma 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.
