DR. LELAND MANN JOHNSTON JR. M.D.
Prescription History 1992844708
Psychiatry & Neurology - Psychiatry in Boulder, CO
What does Dr. Johnston prescribe?
In 2024, Dr. Johnston wrote 153 Medicare prescriptions for 10 medications. The most prescribed was Dextroamphetamine-Amphetamine (dextroamphetamine/amphetamine), with 28 prescriptions.
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. Johnston prescribes.
Medications 10 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 Colorado prescribers.
What it is used for
This combination medication is used to treat attention deficit hyperactivity disorder - ADHD.
Compared with Colorado prescribers
Dr. Johnston wrote 28 prescriptions for Dextroamphetamine-Amphetamine, about 1.2 times as often as the typical Colorado prescriber of it (24). Medicare paid $27.07 per fill, versus $33.25 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 for a short time to treat people who have trouble falling asleep.
Compared with Colorado prescribers
Dr. Johnston wrote 21 prescriptions for Zaleplon, about 1.3 times as often as the typical Colorado prescriber of it (16). Medicare paid $21.86 per fill, versus $23.22 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 Colorado prescribers
Dr. Johnston wrote 16 prescriptions for Methylphenidate Hcl, about 81% as often as the typical Colorado prescriber of it (20). Medicare paid $46.92 per fill, versus $29.35 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 attention deficit hyperactivity disorder - ADHD.
Compared with Colorado prescribers
Dr. Johnston wrote 14 prescriptions for Dextroamphetamine Sulfate, about as often as the typical Colorado prescriber of it (15). Medicare paid $294.85 per fill, versus $68.61 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
This medication is used to treat depression.
Compared with Colorado prescribers
Dr. Johnston wrote 14 prescriptions for Trazodone Hcl, about 27% as often as the typical Colorado prescriber of it (52). Medicare paid $11.61 per fill, versus $9.94 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 anxiety.
Compared with Colorado prescribers
Dr. Johnston wrote 13 prescriptions for Lorazepam, about 41% as often as the typical Colorado prescriber of it (32). Medicare paid $0.49 per fill, versus $6.80 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 depression.
Compared with Colorado prescribers
Dr. Johnston wrote 12 prescriptions for Bupropion Hcl Sr, about half as often as the typical Colorado prescriber of it (20). Medicare paid $10.54 per fill, versus $22.65 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
Hydroxyzine is used to treat itching caused by allergies.
Compared with Colorado prescribers
Dr. Johnston wrote 12 prescriptions for Hydroxyzine Hcl, about half as often as the typical Colorado prescriber of it (24). Medicare paid $7.74 per fill, versus $17.25 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 attention deficit hyperactivity disorder - ADHD.
Compared with Colorado prescribers
Dr. Johnston wrote 12 prescriptions for Methylphenidate Er (La), about as often as the typical Colorado prescriber of it (13). Medicare paid $89.01 per fill, versus $74.19 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
Clonazepam is used to prevent and control seizures.
Compared with Colorado prescribers
Dr. Johnston wrote 11 prescriptions for Clonazepam, about 33% as often as the typical Colorado prescriber of it (33). Medicare paid $4.18 per fill, versus $9.35 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. Johnston’s prescriptions
What does Dr. Johnston prescribe most?
In 2024 Medicare Part D data, Dr. Johnston's most prescribed medications were Dextroamphetamine-Amphetamine (28), Zaleplon (21) and Methylphenidate Hcl (16).
How does Dr. Johnston's prescribing compare with other Colorado prescribers?
Of the 10 medications with a state comparison, Dr. Johnston prescribes 1 more often than the typical Colorado prescriber, 4 about as often and 5 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Johnston 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 Colorado 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.
