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DR. ERIN J LEAHY M.D.
Prescription History 1235339607
Internal Medicine - Geriatric Medicine in Springfield, MA

NPI Status: Active since July 23, 2007

Contact Information

759 CHESTNUT ST
S2668
SPRINGFIELD, MA
ZIP 01107
Phone: (413) 794-8121

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Prescription History for Informed Healthcare Decisions

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. ERIN J LEAHY M.D., an active Geriatric Medicine specialist practicing in Springfield, MA. Our medical registry currently tracks 7 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 423 documented patient claims. Among these therapy options, the most frequently utilized medication is Donepezil Hcl, which accounts for 191 claims alone.

Medication Index

Aripiprazole

Generic Formulation: AripiprazoleSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 20
30-Day Fills 26.0
Days Supply 704
MA State Average Benchmarks
Peer Average Claims46.0
Peer Average 30-Day Fills62.6
Peer Average Days Supply1,799
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 56.5% less volume than the regional standard for practitioners inside MA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $410.48 across this reporting matrix range.

Provider Avg Cost Per Claim

$20.52

State Avg Cost Per Claim

$178.23

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

A piperazine and quinolone derivative that is used primarily as an antipsychotic agent. It is a partial agonist of SEROTONIN RECEPTOR, 5-HT1A and DOPAMINE D2 RECEPTORS, where it also functions as a post-synaptic antagonist, and an antagonist of SEROTONIN RECEPTOR, 5-HT2A. It is used for the treatment of SCHIZOPHRENIA and BIPOLAR DISORDER, and as an adjunct therapy for the treatment of depression.

Therapeutic Applications

Aripiprazole is used to treat certain mental/mood disorders (such as bipolar disorder, schizophrenia, Tourette's syndrome, and irritability associated with autistic disorder). It may also be used in combination with other medication to treat depression. Aripiprazole is known as an antipsychotic drug (atypical type). It works by helping to restore the balance of certain natural chemicals in the brain (neurotransmitters). This medication can decrease hallucinations and improve your concentration. It helps you to think more clearly and positively about yourself, feel less nervous, and take a more active part in everyday life. Aripiprazole can treat severe mood swings and decrease how often mood swings occur.

Citalopram Hbr

Generic Formulation: Citalopram HydrobromideSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 15
30-Day Fills 21.0
Days Supply 630
MA State Average Benchmarks
Peer Average Claims45.0
Peer Average 30-Day Fills89.5
Peer Average Days Supply2,631
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 66.7% less volume than the regional standard for practitioners inside MA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $46.45 across this reporting matrix range.

Provider Avg Cost Per Claim

$3.10

State Avg Cost Per Claim

$9.27

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

A furancarbonitrile that is one of the SELECTIVE SEROTONIN REUPTAKE INHIBITORS used as an antidepressant. The drug is also effective in reducing ethanol uptake in alcoholics and is used in depressed patients who also suffer from TARDIVE DYSKINESIA in preference to tricyclic antidepressants, which aggravate dyskinesia.

Therapeutic Applications

Citalopram is used to treat depression. It may improve your energy level and feelings of well-being. Citalopram is known as a selective serotonin reuptake inhibitor (SSRI). This medication works by helping to restore the balance of a certain natural substance (serotonin) in the brain.

Donepezil Hcl

Generic Formulation: Donepezil HclSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 191
30-Day Fills 337.0
Days Supply 10,049
MA State Average Benchmarks
Peer Average Claims49.0
Peer Average 30-Day Fills80.6
Peer Average Days Supply2,290
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 289.8% higher than the standard regional baseline profile for MA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,666.35 across this reporting matrix range.

Provider Avg Cost Per Claim

$8.72

State Avg Cost Per Claim

$16.92

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Therapeutic Applications

Donepezil is used to treat confusion (dementia) related to Alzheimer's disease. It does not cure Alzheimer's disease, but it may improve memory, awareness, and the ability to function. This medication is an enzyme blocker that works by restoring the balance of natural substances (neurotransmitters) in the brain.

Escitalopram Oxalate

Generic Formulation: Escitalopram OxalateSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 19
30-Day Fills 34.5
Days Supply 1,034
MA State Average Benchmarks
Peer Average Claims43.0
Peer Average 30-Day Fills79.0
Peer Average Days Supply2,299
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 55.8% less volume than the regional standard for practitioners inside MA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $123.02 across this reporting matrix range.

Provider Avg Cost Per Claim

$6.47

State Avg Cost Per Claim

$15.40

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

S-enantiomer of CITALOPRAM. Belongs to a class of drugs known as SELECTIVE SEROTONIN REUPTAKE INHIBITORS, used to treat depression and generalized anxiety disorder.

Therapeutic Applications

Escitalopram is used to treat depression and anxiety. It works by helping to restore the balance of a certain natural substance (serotonin) in the brain. Escitalopram belongs to a class of drugs known as selective serotonin reuptake inhibitors (SSRI). It may improve your energy level and feelings of well-being and decrease nervousness.

Memantine Hcl

Generic Formulation: Memantine HclSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 124
30-Day Fills 162.7
Days Supply 4,735
MA State Average Benchmarks
Peer Average Claims44.0
Peer Average 30-Day Fills66.6
Peer Average Days Supply1,864
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 181.8% higher than the standard regional baseline profile for MA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $4,052.43 across this reporting matrix range.

Provider Avg Cost Per Claim

$32.68

State Avg Cost Per Claim

$63.98

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Therapeutic Applications

Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease. It does not cure Alzheimer's disease, but it may improve memory, awareness, and the ability to perform daily functions. This medication works by blocking the action of a certain natural substance in the brain (glutamate) that is believed to be linked to symptoms of Alzheimer's disease.

Quetiapine Fumarate

Generic Formulation: Quetiapine FumarateSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 19
30-Day Fills 21.0
Days Supply 571
MA State Average Benchmarks
Peer Average Claims58.0
Peer Average 30-Day Fills78.3
Peer Average Days Supply2,197
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 67.2% less volume than the regional standard for practitioners inside MA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $415.88 across this reporting matrix range.

Provider Avg Cost Per Claim

$21.89

State Avg Cost Per Claim

$42.36

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

A dibenzothiazepine and ANTIPSYCHOTIC AGENT that targets the SEROTONIN 5-HT2 RECEPTOR; HISTAMINE H1 RECEPTOR, adrenergic alpha1 and alpha2 receptors, as well as the DOPAMINE D1 RECEPTOR and DOPAMINE D2 RECEPTOR. It is used in the treatment of SCHIZOPHRENIA; BIPOLAR DISORDER and DEPRESSIVE DISORDER.

Therapeutic Applications

This medication is used to treat certain mental/mood conditions (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder). Quetiapine is known as an anti-psychotic drug (atypical type). It works by helping to restore the balance of certain natural substances (neurotransmitters) in the brain. This medication can decrease hallucinations and improve your concentration. It helps you to think more clearly and positively about yourself, feel less nervous, and take a more active part in everyday life. It may also improve your mood, sleep, appetite, and energy level. Quetiapine can help prevent severe mood swings or decrease how often mood swings occur.

Sertraline Hcl

Generic Formulation: Sertraline HclSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 35
30-Day Fills 44.1
Days Supply 1,196
MA State Average Benchmarks
Peer Average Claims60.0
Peer Average 30-Day Fills109.1
Peer Average Days Supply3,171
Conservative Utilization

This provider writes prescriptions for this formulation 41.7% less frequently than the standard regional baseline metric for practitioners inside MA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $299.11 across this reporting matrix range.

Provider Avg Cost Per Claim

$8.55

State Avg Cost Per Claim

$11.89

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Therapeutic Applications

Sertraline is used to treat depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder (social phobia), and a severe form of premenstrual syndrome (premenstrual dysphoric disorder). This medication may improve your mood, sleep, appetite, and energy level and may help restore your interest in daily living. It may decrease fear, anxiety, unwanted thoughts, and the number of panic attacks. It may also reduce the urge to perform repeated tasks (compulsions such as hand-washing, counting, and checking) that interfere with daily living. Sertraline is known as a selective serotonin reuptake inhibitor (SSRI). It works by helping to restore the balance of a certain natural substance (serotonin) in the brain.

Dataset Methodology & CMS Source Information

This analytical profile maps public infrastructure records sourced directly from official **Centers for Medicare & Medicaid Services (CMS)** public data releases. The statistics above track documented pharmaceutical treatment trends assigned to beneficiaries specifically under federal public programs. Evaluating the prescriptive footprints of clinical practitioners like DR. ERIN J LEAHY M.D. provides transparency into local medical care patterns within Springfield, MA.

Key Learning Objectives for this Profile:

  • Prescribing Frequencies: Track and evaluate the volume metrics of specific brand-name and generic medical formulas chosen by this provider over time.
  • Clinical Focus Areas: Identify how the provider distributes therapeutic selections across medical care options to gain insight into their true day-to-day **Geriatric Medicine** practice concentrations.
  • Program Cost Awareness: Review the calculated total systemic drug costs and raw transactional volumes linked to these orders to better anticipate network insurance coverage structures.
  • Patient-Centered Evaluation: Cross-reference localized regional care comparisons to align practitioner habits directly with your proactive health maintenance goals.

Data Scope Exclusion & Limitations: The data elements presented above explicitly reflect prescription orders processed for Medicare beneficiaries during the year 2023. This informational profile does not aggregate prescription data for individuals utilizing private commercial health plans, state Medicaid coverage, or self-pay options. However, because medical decision-making remains highly consistent across clinical settings, this public registry provides a reliable proxy for understanding the general prescribing preferences and pharmaceutical care approach used by this provider.