ALLISON WRIGHT WILLIS MD
Prescription History 1851591721
Psychiatry & Neurology - Neurology in Philadelphia, PA
Medicare Part D Prescription History
Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for ALLISON WRIGHT WILLIS MD, an active Neurology specialist practicing in Philadelphia, PA. Our medical registry currently tracks 11 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 304 documented patient claims. Among these therapy options, the most frequently utilized medication is Carbidopa-Levodopa, which accounts for 122 claims alone. Use the table below to sort by claims, cost, or utilization compared with the state average; select any medication for its full profile.
| Medication | Prescriptions (2024)Rx (2024) | Avg Cost per FillCost / Fill | Vs. Other PA PrescribersVs. PA Avg |
|---|---|---|---|
| Carbidopa-LevodopaCarbidopa/Levodopa | 122 | $47.28 | ▲ More than typical |
About Carbidopa-Levodopa: This combination medication is used to treat symptoms of Parkinson's disease or Parkinson-like symptoms (such as shakiness, stiffness, difficulty moving). Show more ▾ Parkinson's disease is thought to be caused by too little of a naturally occurring substance (dopamine) in the brain. Levodopa changes into dopamine in the brain, helping to control movement. Carbidopa prevents the breakdown of levodopa in the bloodstream so more levodopa can enter the brain. Carbidopa can also reduce some of levodopa's side effects such as nausea and vomiting. In 2024, this provider wrote 122 Medicare prescriptions for Carbidopa-Levodopa, about 1.7 times the volume of the typical Pennsylvania prescriber of this medication (72.1). Medicare paid an average of $47.28 per fill, versus $31.55 statewide. How often this provider prescribes it This provider prescribes this medication more often than the average PA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 338.5 30-Day Fills standardized to 30-day supplies 10,129 Days of Medication total across all patients in 2024 | |||
| Carbidopa-Levodopa ErCarbidopa/Levodopa | 41 | $84.18 | ≈ Typical |
About Carbidopa-Levodopa Er: This combination medication is used to treat symptoms of Parkinson's disease or Parkinson-like symptoms (such as shakiness, stiffness, difficulty moving). Show more ▾ Parkinson's disease is thought to be caused by too little of a naturally occurring substance (dopamine) in the brain. Levodopa changes into dopamine in the brain, helping to control movement. Carbidopa prevents the breakdown of levodopa in the bloodstream so more levodopa can enter the brain. Carbidopa can also reduce some of levodopa's side effects such as nausea and vomiting. In 2024, this provider wrote 41 Medicare prescriptions for Carbidopa-Levodopa Er, about the same volume as the typical Pennsylvania prescriber of this medication (42.7). Medicare paid an average of $84.18 per fill, versus $44.37 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average PA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 82.8 30-Day Fills standardized to 30-day supplies 2,484 Days of Medication total across all patients in 2024 | |||
| Clonazepam | 27 | $9.32 | ▼ Less than typical |
About Clonazepam: Clonazepam is used to prevent and control seizures. Show more ▾ This medication is known as an anticonvulsant or antiepileptic drug. It is also used to treat panic attacks. Clonazepam works by calming your brain and nerves. It belongs to a class of drugs called benzodiazepines. An anticonvulsant used for several types of seizures, including myotonic or atonic seizures, photosensitive epilepsy, and absence seizures, although tolerance may develop. It is seldom effective in generalized tonic-clonic or partial seizures. The mechanism of action appears to involve the enhancement of GAMMA-AMINOBUTYRIC ACID receptor responses. In 2024, this provider wrote 27 Medicare prescriptions for Clonazepam, about half the volume of the typical Pennsylvania prescriber of this medication (54.1). Medicare paid an average of $9.32 per fill, versus $7.62 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average PA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 55 30-Day Fills standardized to 30-day supplies 1,650 Days of Medication total across all patients in 2024 | |||
| AmantadineAmantadine Hcl | 25 | $119.71 | ▼ Less than typical |
About Amantadine: Amantadine is used to treat Parkinson's disease, as well as side effects caused by drugs (such as drug-induced extrapyramidal symptoms), chemicals, and other medical conditions. Show more ▾ In these cases, this medication may help to improve your range of motion and ability to exercise. For the treatment of these conditions, amantadine is believed to work by restoring the balance of natural chemicals (neurotransmitters) in the brain. Amantadine is used to prevent or treat a certain type of flu (influenza A). If you have been infected with the flu, this medication may help make your symptoms less severe and shorten the time it will take you to get better. Taking amantadine if you have been or will be exposed to the flu may help to prevent you from getting the flu. This medication is an antiviral that is believed to work by stopping growth of the flu virus. This medication is not a vaccine. To increase the chance that you will not get the flu, it is important to get a flu shot once a year at the beginning of every flu season, if possible. Based on the recommendation from the Centers for Disease Control (CDC) in the US, amantadine should not be used to treat or prevent influenza A because the current influenza A virus in the United States and Canada is resistant to this medication. For more details, talk to your doctor or pharmacist. An antiviral that is used in the prophylactic or symptomatic treatment of influenza A. It is also used as an antiparkinsonian agent, to treat extrapyramidal reactions, and for postherpetic neuralgia. The mechanisms of its effects in movement disorders are not well understood but probably reflect an increase in synthesis and release of dopamine, with perhaps some inhibition of dopamine uptake. In 2024, this provider wrote 25 Medicare prescriptions for Amantadine, about 75% of the volume of the typical Pennsylvania prescriber of this medication (33.5). Medicare paid an average of $119.71 per fill, versus $40.68 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average PA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 61 30-Day Fills standardized to 30-day supplies 1,810 Days of Medication total across all patients in 2024 | |||
| Carbidopa-Levodopa-EntacaponeCarbidopa/Levodopa/Entacapone | 21 | $404.03 | ≈ Typical |
About Carbidopa-Levodopa-Entacapone: This combination medication is used to treat symptoms of Parkinson's disease (such as shakiness, stiffness, difficulty moving). Show more ▾ Parkinson's disease is thought to be caused by too little of a naturally occurring substance (dopamine) in the brain. Levodopa changes into dopamine in the brain, helping to control movement. Carbidopa and entacapone prevent the breakdown of levodopa in the bloodstream so more levodopa can enter the brain. Carbidopa can also reduce some of levodopa's side effects such as nausea and vomiting. In 2024, this provider wrote 21 Medicare prescriptions for Carbidopa-Levodopa-Entacapone, about 86% of the volume of the typical Pennsylvania prescriber of this medication (24.4). Medicare paid an average of $404.03 per fill, versus $220.48 statewide. How often this provider prescribes it This provider's prescribing volume for this medication is in line with the average PA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 59 30-Day Fills standardized to 30-day supplies 1,770 Days of Medication total across all patients in 2024 | |||
| Carbidopa | 12 | $322.79 | ▼ Less than typical |
About Carbidopa: This medication is used with a combination levodopa/carbidopa product to treat symptoms of Parkinson's disease or Parkinson-like symptoms (such as shakiness, stiffness, difficulty moving). Show more ▾ Carbidopa must be taken together with a drug that contains levodopa to be effective. If used alone, carbidopa has no effect on Parkinson's symptoms. Parkinson's disease is thought to be caused by too little of a naturally occurring substance (dopamine) in the brain. Levodopa changes into dopamine in the brain, helping to control movement. Carbidopa prevents the breakdown of levodopa in the bloodstream so more levodopa can enter the brain. Carbidopa can also reduce some of levodopa's side effects such as nausea and vomiting. An inhibitor of DOPA DECARBOXYLASE that prevents conversion of LEVODOPA to dopamine. It is used in PARKINSON DISEASE to reduce peripheral adverse effects of LEVODOPA. It has no anti-parkinson activity by itself. In 2024, this provider wrote 12 Medicare prescriptions for Carbidopa, about half the volume of the typical Pennsylvania prescriber of this medication (21.9). Medicare paid an average of $322.79 per fill, versus $269.09 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average PA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 34 30-Day Fills standardized to 30-day supplies 1,020 Days of Medication total across all patients in 2024 | |||
| RivastigmineRivastigmine Tartrate | 12 | $81.21 | ▼ Less than typical |
About Rivastigmine: Rivastigmine is used to treat confusion (dementia) related to Alzheimer's disease and to Parkinson's disease. Show more ▾ Rivastigmine does not cure either of these diseases, but it may improve memory, awareness, and the ability to perform daily functions. This medication works by restoring the balance of natural substances (neurotransmitters) in the brain. A carbamate-derived reversible CHOLINESTERASE INHIBITOR that is selective for the CENTRAL NERVOUS SYSTEM and is used for the treatment of DEMENTIA in ALZHEIMER DISEASE and PARKINSON DISEASE. In 2024, this provider wrote 12 Medicare prescriptions for Rivastigmine, about half the volume of the typical Pennsylvania prescriber of this medication (28.1). Medicare paid an average of $81.21 per fill, versus $55.95 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average PA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 34 30-Day Fills standardized to 30-day supplies 1,020 Days of Medication total across all patients in 2024 | |||
| AustedoDeutetrabenazine | 11 | $13,154.74 | ▼ Less than typical |
About Austedo: Deutetrabenazine is used to decrease involuntary movements (chorea) caused by Huntington's disease. Show more ▾ It is also used to treat involuntary movements of the face, tongue, or other body parts (tardive dyskinesia). Reducing involuntary movements will help you take part in more of your normal daily activities. This medication is thought to work by decreasing the amount of certain natural substances in the brain that affect how your nerves and muscles work (monoamines such as dopamine, serotonin, and norepinephrine). A vesicular monoamine transporter type 2 inhibitor. In 2024, this provider wrote 11 Medicare prescriptions for Austedo, about half the volume of the typical Pennsylvania prescriber of this medication (23.0). Medicare paid an average of $13,154.74 per fill, versus $6,628.34 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average PA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 11 30-Day Fills standardized to 30-day supplies 330 Days of Medication total across all patients in 2024 | |||
| Bupropion XlBupropion Hcl | 11 | $21.53▼ below PA avg | ▼ Less than typical |
About Bupropion Xl: This medication is used to treat depression. Show more ▾ It is also be used to prevent seasonal affective disorder (SAD), a type of depression that occurs each year at the same time (for example, during winter). Bupropion works by helping to restore the balance of certain natural substances (dopamine, norepinephrine) in the brain. A propiophenone-derived antidepressant and antismoking agent that inhibits the uptake of DOPAMINE. In 2024, this provider wrote 11 Medicare prescriptions for Bupropion Xl, about a quarter of the volume of the typical Pennsylvania prescriber of this medication (40.6). Medicare paid an average of $21.53 per fill, versus $25.57 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average PA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the PA average for this medication. 31 30-Day Fills standardized to 30-day supplies 930 Days of Medication total across all patients in 2024 | |||
| GocovriAmantadine Hcl | 11 | $1,630.61▼ below PA avg | ▼ Less than typical |
About Gocovri: This medication is used to treat Parkinson's disease. Show more ▾ It is also used to treat certain movement disorders caused by some drugs (extrapyramidal reactions). This medication is thought to work by restoring the balance of certain natural substances (neurotransmitters) in the brain. Different brands of this medication may have different uses. Do not change brands of this medication unless directed by your doctor. An antiviral that is used in the prophylactic or symptomatic treatment of influenza A. It is also used as an antiparkinsonian agent, to treat extrapyramidal reactions, and for postherpetic neuralgia. The mechanisms of its effects in movement disorders are not well understood but probably reflect an increase in synthesis and release of dopamine, with perhaps some inhibition of dopamine uptake. In 2024, this provider wrote 11 Medicare prescriptions for Gocovri, about a third of the volume of the typical Pennsylvania prescriber of this medication (37.1). Medicare paid an average of $1,630.61 per fill, versus $3,271.58 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average PA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill This provider's average cost per fill is below the PA average for this medication. 11 30-Day Fills standardized to 30-day supplies 330 Days of Medication total across all patients in 2024 | |||
| Hydrocodone-AcetaminophenHydrocodone/Acetaminophen | 11 | $71.08 | ▼ Less than typical |
About Hydrocodone-Acetaminophen: This combination medication is used to relieve moderate to severe pain. Show more ▾ It contains an opioid pain reliever (hydrocodone) and a non-opioid pain reliever (acetaminophen). Hydrocodone works in the brain to change how your body feels and responds to pain. Acetaminophen can also reduce a fever. In 2024, this provider wrote 11 Medicare prescriptions for Hydrocodone-Acetaminophen, about 18% of the volume of the typical Pennsylvania prescriber of this medication (60.9). Medicare paid an average of $71.08 per fill, versus $16.44 statewide. How often this provider prescribes it This provider prescribes this medication less often than the average PA prescriber. Utilization reflects practice size as well as clinical preference. What Medicare paid per fill Gross Part D cost per fill; not the patient's out-of-pocket price. 11 30-Day Fills standardized to 30-day supplies 330 Days of Medication total across all patients in 2024 | |||
About this data. The prescription history for ALLISON WRIGHT WILLIS MD is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2024, the most recent federal release. Figures cover prescriptions filled for Medicare Part D beneficiaries only; prescriptions under private insurance, Medicaid, or self-pay plans are not included. Because prescribing decisions are generally consistent across coverage types, this record offers a useful view of the overall Neurology prescribing approach at this Philadelphia, PA practice.
Reading the costs. Drug costs are gross amounts paid to pharmacies under Part D, including both plan and beneficiary payments. They are not the price a patient pays at the pharmacy counter. Medications with fewer than 11 claims are excluded from the federal source data, and state comparisons use the average among PA prescribers of the same medication and form, shown only when at least five prescribers contribute. Always confirm current medications and costs directly with the provider and your plan.
About the medication summaries. Drug use descriptions come from the CMS Medicare Part D Drug Spending Dashboard (2024), and substance definitions from Medical Subject Headings (MeSH) 2026, U.S. National Library of Medicine. They are summaries that do not contain all possible information about a medication and are not individual medical advice. Ask a health care professional about any medication and your specific health needs.
