DR. JOSEPH CARL SHANKLIN MD
Prescription History 1356453021
Psychiatry & Neurology - Psychiatry in Clearwater, FL
What does Dr. Shanklin prescribe?
In 2024, Dr. Shanklin wrote 2,037 Medicare prescriptions for 49 medications. The most prescribed was Bupropion Xl (bupropion hcl), with 205 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. Shanklin prescribes.
Medications 49 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 Florida prescribers.
What it is used for
This medication is used to treat depression.
Compared with Florida prescribers
Dr. Shanklin wrote 205 prescriptions for Bupropion Xl, about 5.1 times as often as the typical Florida prescriber of it (40). Medicare paid $32.79 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
Clonazepam is used to prevent and control seizures.
Compared with Florida prescribers
Dr. Shanklin wrote 180 prescriptions for Clonazepam, about 2.8 times as often as the typical Florida prescriber of it (65). Medicare paid $11.38 per fill, versus $8.07 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 Florida prescribers
Dr. Shanklin wrote 136 prescriptions for Alprazolam, about 1.4 times as often as the typical Florida prescriber of it (95). Medicare paid $18.56 per fill, versus $5.08 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 depression, anxiety, panic attacks, and social anxiety disorder).
Compared with Florida prescribers
Dr. Shanklin wrote 107 prescriptions for Venlafaxine Hcl Er, about 3.2 times as often as the typical Florida prescriber of it (34). Medicare paid $31.10 per fill, versus $21.79 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 Florida prescribers
Dr. Shanklin wrote 90 prescriptions for Lamotrigine, about 1.9 times as often as the typical Florida prescriber of it (47). Medicare paid $25.34 per fill, versus $13.99 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 Florida prescribers
Dr. Shanklin wrote 77 prescriptions for Dextroamphetamine-Amphetamine, about 2.1 times as often as the typical Florida prescriber of it (37). Medicare paid $31.74 per fill, versus $31.56 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 Florida prescribers
Dr. Shanklin wrote 67 prescriptions for Quetiapine Fumarate, about as often as the typical Florida prescriber of it (68). Medicare paid $12.00 per fill, versus $16.41 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 certain mental/mood disorders (such as depression, anxiety).
Compared with Florida prescribers
Dr. Shanklin wrote 66 prescriptions for Escitalopram Oxalate, about as often as the typical Florida prescriber of it (65). Medicare paid $15.51 per fill, versus $10.12 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
This medication is used to treat anxiety.
Compared with Florida prescribers
Dr. Shanklin wrote 61 prescriptions for Lorazepam, about 1.3 times as often as the typical Florida prescriber of it (49). Medicare paid $10.32 per fill, versus $6.70 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 Florida prescribers
Dr. Shanklin wrote 49 prescriptions for Duloxetine Hcl, about as often as the typical Florida prescriber of it (52). Medicare paid $39.09 per fill, versus $24.35 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, depression).
Compared with Florida prescribers
Dr. Shanklin wrote 49 prescriptions for Rexulti, about 1.7 times as often as the typical Florida prescriber of it (28). Medicare paid $2,602.83 per fill, versus $1,535.87 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
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 Florida prescribers
Dr. Shanklin wrote 47 prescriptions for Sertraline Hcl, about 70% as often as the typical Florida prescriber of it (67). Medicare paid $13.22 per fill, versus $7.89 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 depression.
Compared with Florida prescribers
Dr. Shanklin wrote 47 prescriptions for Trintellix, about 1.8 times as often as the typical Florida prescriber of it (26). Medicare paid $1,245.89 per fill, versus $609.75 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 depression.
Compared with Florida prescribers
Dr. Shanklin wrote 45 prescriptions for Vilazodone Hcl, about 1.9 times as often as the typical Florida prescriber of it (23). Medicare paid $97.72 per fill, versus $103.96 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
Diazepam is used to treat anxiety, alcohol withdrawal, and seizures.
Compared with Florida prescribers
Dr. Shanklin wrote 44 prescriptions for Diazepam, about 1.4 times as often as the typical Florida prescriber of it (32). Medicare paid $18.98 per fill, versus $5.99 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 medication is used to treat a certain sleep problem (insomnia).
Compared with Florida prescribers
Dr. Shanklin wrote 44 prescriptions for Temazepam, about 86% as often as the typical Florida prescriber of it (51). Medicare paid $15.63 per fill, versus $9.95 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 Florida prescribers
Dr. Shanklin wrote 43 prescriptions for Fluoxetine Hcl, about as often as the typical Florida prescriber of it (40). Medicare paid $11.59 per fill, versus $10.11 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 attention deficit hyperactivity disorder - ADHD.
Compared with Florida prescribers
Dr. Shanklin wrote 37 prescriptions for Methylphenidate Hcl, about 1.7 times as often as the typical Florida prescriber of it (22). Medicare paid $29.63 per fill, versus $26.49 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
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with Florida prescribers
Dr. Shanklin wrote 34 prescriptions for Memantine Hcl, about half as often as the typical Florida prescriber of it (69). Medicare paid $18.79 per fill, versus $27.35 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, bipolar disorder).
Compared with Florida prescribers
Dr. Shanklin wrote 34 prescriptions for Olanzapine, about 75% as often as the typical Florida prescriber of it (45). Medicare paid $62.63 per fill, versus $27.70 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 Florida prescribers
Dr. Shanklin wrote 34 prescriptions for Zolpidem Tartrate, about 64% as often as the typical Florida prescriber of it (53). Medicare paid $17.96 per fill, versus $7.97 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 Florida prescribers
Dr. Shanklin wrote 33 prescriptions for Aripiprazole, about 69% as often as the typical Florida prescriber of it (48). Medicare paid $56.89 per fill, versus $74.50 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 Florida prescribers
Dr. Shanklin wrote 29 prescriptions for Desvenlafaxine Succinate Er, about as often as the typical Florida prescriber of it (27). Medicare paid $97.05 per fill, versus $58.64 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 Florida prescribers
Dr. Shanklin wrote 29 prescriptions for Eszopiclone, about 1.3 times as often as the typical Florida prescriber of it (22). Medicare paid $41.42 per fill, versus $21.77 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
Vitamin D (ergocalciferol-D2, cholecalciferol-D3, alfacalcidol) is a fat-soluble vitamin that helps your body absorb calcium and phosphorus.
Compared with Florida prescribers
Dr. Shanklin wrote 27 prescriptions for Vitamin D2, about 39% as often as the typical Florida prescriber of it (69). Medicare paid $10.63 per fill, versus $4.97 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 Florida prescribers
Dr. Shanklin wrote 25 prescriptions for Prazosin Hcl, about 83% as often as the typical Florida prescriber of it (30). Medicare paid $30.32 per fill, versus $18.11 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 schizophrenia, bipolar disorder).
Compared with Florida prescribers
Dr. Shanklin wrote 24 prescriptions for Ziprasidone Hcl, about 83% as often as the typical Florida prescriber of it (29). Medicare paid $41.79 per fill, versus $66.88 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 anxiety.
Compared with Florida prescribers
Dr. Shanklin wrote 23 prescriptions for Buspirone Hcl, about half as often as the typical Florida prescriber of it (52). Medicare paid $21.67 per fill, versus $13.86 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 schizophrenia, bipolar disorder, irritability associated with autistic disorder).
Compared with Florida prescribers
Dr. Shanklin wrote 23 prescriptions for Risperidone, about half as often as the typical Florida prescriber of it (52). Medicare paid $22.33 per fill, versus $14.44 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 Florida prescribers
Dr. Shanklin wrote 22 prescriptions for Modafinil, about as often as the typical Florida prescriber of it (21). Medicare paid $111.76 per fill, versus $73.57 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 Florida prescribers
Dr. Shanklin wrote 20 prescriptions for Amitriptyline Hcl, about 74% as often as the typical Florida prescriber of it (27). Medicare paid $40.17 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
This medication is used to treat depression.
Compared with Florida prescribers
Dr. Shanklin wrote 20 prescriptions for Trazodone Hcl, about 25% as often as the typical Florida prescriber of it (80). Medicare paid $16.00 per fill, versus $8.89 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 depression.
Compared with Florida prescribers
Dr. Shanklin wrote 19 prescriptions for Fetzima, about as often as the typical Florida prescriber of it (17). Medicare paid $1,575.09 per fill, versus $572.57 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 Florida prescribers
Dr. Shanklin wrote 19 prescriptions for Mirtazapine, about 33% as often as the typical Florida prescriber of it (57). Medicare paid $33.15 per fill, versus $19.64 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 Florida prescribers
Dr. Shanklin wrote 19 prescriptions for Zaleplon, about as often as the typical Florida prescriber of it (17). Medicare paid $30.43 per fill, versus $22.75 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 depression.
Compared with Florida prescribers
Dr. Shanklin wrote 18 prescriptions for Bupropion Hcl Sr, about 67% as often as the typical Florida prescriber of it (27). Medicare paid $24.79 per fill, versus $18.47 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 a certain sleep problem (insomnia).
Compared with Florida prescribers
Dr. Shanklin wrote 18 prescriptions for Dayvigo, about as often as the typical Florida prescriber of it (16). Medicare paid $430.97 per fill, versus $367.13 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
Deutetrabenazine is used to decrease involuntary movements (chorea) caused by Huntington's disease.
Compared with Florida prescribers
Dr. Shanklin wrote 17 prescriptions for Austedo Xr, about 74% as often as the typical Florida prescriber of it (23). Medicare paid $10,672.25 per fill, versus $7,961.07 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 Florida prescribers
Dr. Shanklin wrote 17 prescriptions for Dextroamphetamine-Amphet Er, about 72% as often as the typical Florida prescriber of it (24). Medicare paid $44.51 per fill, versus $51.38 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 Florida prescribers
Dr. Shanklin wrote 17 prescriptions for Lurasidone Hcl, about half as often as the typical Florida prescriber of it (30). Medicare paid $638.03 per fill, versus $209.62 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 Florida prescribers
Dr. Shanklin wrote 17 prescriptions for Quetiapine Fumarate Er, about 63% as often as the typical Florida prescriber of it (27). Medicare paid $36.81 per fill, versus $74.66 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
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 Florida prescribers
Dr. Shanklin wrote 15 prescriptions for Lisdexamfetamine Dimesylate, about 83% as often as the typical Florida prescriber of it (18). Medicare paid $256.74 per fill, versus $224.30 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
This medication is used alone or with other medications to treat Parkinson's disease.
Compared with Florida prescribers
Dr. Shanklin wrote 15 prescriptions for Ropinirole Hcl, about half as often as the typical Florida prescriber of it (29). Medicare paid $14.58 per fill, versus $18.13 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 Florida prescribers
Dr. Shanklin wrote 14 prescriptions for Doxepin Hcl, about half as often as the typical Florida prescriber of it (27). Medicare paid $24.88 per fill, versus $38.36 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
See also Warning section.
Compared with Florida prescribers
Dr. Shanklin wrote 13 prescriptions for Clozapine, about 30% as often as the typical Florida prescriber of it (43). Medicare paid $37.95 per fill, versus $74.96 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with Florida prescribers
Dr. Shanklin wrote 13 prescriptions for Gabapentin, about 13% as often as the typical Florida prescriber of it (102). Medicare paid $33.05 per fill, versus $14.90 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 Florida prescribers
Dr. Shanklin wrote 13 prescriptions for Hydroxyzine Hcl, about half as often as the typical Florida prescriber of it (29). Medicare paid $24.29 per fill, versus $17.10 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 Florida prescribers
Dr. Shanklin wrote 11 prescriptions for Levothyroxine Sodium, about 7% as often as the typical Florida prescriber of it (159). Medicare paid $8.48 per fill, versus $10.37 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 to treat narcolepsy, a condition that causes severe daytime sleepiness.
Compared with Florida prescribers
Dr. Shanklin wrote 11 prescriptions for Xywav, about 61% as often as the typical Florida prescriber of it (18). Medicare paid $20,099.42 per fill, versus $17,976.51 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. Shanklin’s prescriptions
What does Dr. Shanklin prescribe most?
In 2024 Medicare Part D data, Dr. Shanklin's most prescribed medications were Bupropion Xl (205), Clonazepam (180) and Alprazolam (136).
How does Dr. Shanklin's prescribing compare with other Florida prescribers?
Of the 49 medications with a state comparison, Dr. Shanklin prescribes 13 more often than the typical Florida prescriber, 14 about as often and 22 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Shanklin 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 Florida 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.
