KATHLEEN MICHELLE LEAHY M.D., MPH
Prescription History 1275913014
Internal Medicine - Medical Oncology in Weymouth, MA

NPI Status: Active since June 07, 2015

Contact Information

101 COLUMBIAN ST
WEYMOUTH, MA
ZIP 02190
Phone: (781) 624-5000
Fax: (781) 624-4840

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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 KATHLEEN MICHELLE LEAHY M.D., MPH, an active Medical Oncology specialist practicing in Weymouth, MA. Our medical registry currently tracks 13 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 534 documented patient claims. Among these therapy options, the most frequently utilized medication is Anastrozole, which accounts for 233 claims alone.


Anastrozole

Generic Formulation: AnastrozoleSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 233
30-Day Fills 498.0
Days Supply 14,940
MA State Average Benchmarks
Peer Average Claims62.0
Peer Average 30-Day Fills152.9
Peer Average Days Supply4,549
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 275.8% 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 $7,459.00 across this reporting matrix range.

Provider Avg Cost Per Claim

$32.01

State Avg Cost Per Claim

$26.86

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 nitrile and triazole derivative that acts as a selective nonsteroidal aromatase inhibitor. It is used in the treatment of ESTROGEN NUCLEAR RECEPTOR-positive breast cancer in postmenopausal women.

Therapeutic Applications

Anastrozole is used to treat breast cancer in women after menopause. Some breast cancers are made to grow faster by a natural hormone called estrogen. Anastrozole decreases the amount of estrogen the body makes and helps to slow or reverse the growth of these breast cancers.

Dexamethasone

Generic Formulation: DexamethasoneSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 50
30-Day Fills 50.0
Days Supply 334
MA State Average Benchmarks
Peer Average Claims27.0
Peer Average 30-Day Fills29.6
Peer Average Days Supply485
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 85.2% 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 $264.04 across this reporting matrix range.

Provider Avg Cost Per Claim

$5.28

State Avg Cost Per Claim

$18.97

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

An anti-inflammatory 9-fluoro-glucocorticoid.

Therapeutic Applications

Dexamethasone is used to treat conditions such as arthritis, blood/hormone disorders, allergic reactions, skin diseases, eye problems, breathing problems, bowel disorders, cancer, and immune system disorders. It is also used as a test for an adrenal gland disorder (Cushing's syndrome). Dexamethasone belongs to a class of drugs known as corticosteroids. It decreases your immune system's response to various diseases to reduce symptoms such as swelling and allergic-type reactions.

Eliquis

Generic Formulation: ApixabanSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 48
30-Day Fills 61.0
Days Supply 1,820
MA State Average Benchmarks
Peer Average Claims77.0
Peer Average 30-Day Fills123.2
Peer Average Days Supply3,403
Conservative Utilization

This provider writes prescriptions for this formulation 37.7% 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 $39,268.47 across this reporting matrix range.

Provider Avg Cost Per Claim

$818.09

State Avg Cost Per Claim

$792.72

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

Apixaban is used to prevent serious blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip/knee replacement surgery. With atrial fibrillation, part of the heart does not beat the way it should. This can lead to blood clots forming, which can travel to other parts of your body (such as the lungs or legs) or increase your risk for stroke. In the United States, apixaban is also approved to treat certain types of blood clots (deep vein thrombosis-DVT, pulmonary embolus-PE) and to prevent them from forming again. Apixaban is an anticoagulant that works by blocking certain clotting proteins in your blood.

Exemestane

Generic Formulation: ExemestaneSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 25
30-Day Fills 68.2
Days Supply 2,045
MA State Average Benchmarks
Peer Average Claims29.0
Peer Average 30-Day Fills63.3
Peer Average Days Supply1,882
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across MA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $7,845.04 across this reporting matrix range.

Provider Avg Cost Per Claim

$313.80

State Avg Cost Per Claim

$345.64

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

This medication is used to treat certain types of breast cancer (such as hormone-receptor-positive breast cancer) in women after menopause. Exemestane is also used to help prevent the cancer from returning. Some breast cancers are made to grow faster by a natural hormone called estrogen. Exemestane decreases the amount of estrogen the body makes and helps to slow or reverse the growth of these breast cancers. Exemestane is usually not used in women of childbearing age.

Gabapentin

Generic Formulation: GabapentinSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 15
30-Day Fills 15.0
Days Supply 450
MA State Average Benchmarks
Peer Average Claims79.0
Peer Average 30-Day Fills111.6
Peer Average Days Supply3,206
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 81.0% 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 $85.77 across this reporting matrix range.

Provider Avg Cost Per Claim

$5.72

State Avg Cost Per Claim

$20.16

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 cyclohexane-gamma-aminobutyric acid derivative that is used for the treatment of PARTIAL SEIZURES; NEURALGIA; and RESTLESS LEGS SYNDROME.

Therapeutic Applications

Gabapentin is used with other medications to prevent and control seizures. It is also used to relieve nerve pain following shingles (a painful rash due to herpes zoster infection) in adults. Gabapentin is known as an anticonvulsant or antiepileptic drug.

Hydroxyurea

Generic Formulation: HydroxyureaSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 11
30-Day Fills 23.6
Days Supply 678
MA State Average Benchmarks
Peer Average Claims31.0
Peer Average 30-Day Fills64.8
Peer Average Days Supply1,909
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 64.5% 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 $148.67 across this reporting matrix range.

Provider Avg Cost Per Claim

$13.52

State Avg Cost Per Claim

$35.78

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

An antineoplastic agent that inhibits DNA synthesis through the inhibition of ribonucleoside diphosphate reductase.

Therapeutic Applications

This medication is used by people with sickle cell anemia to reduce the number of painful crises caused by the disease and to reduce the need for blood transfusions. Some brands are also used to treat certain types of cancer (such as chronic myelogenous leukemia, squamous cell carcinomas).

Letrozole

Generic Formulation: LetrozoleSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 18
30-Day Fills 54.0
Days Supply 1,620
MA State Average Benchmarks
Peer Average Claims53.0
Peer Average 30-Day Fills130.0
Peer Average Days Supply3,862
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 66.0% 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 $804.26 across this reporting matrix range.

Provider Avg Cost Per Claim

$44.68

State Avg Cost Per Claim

$28.44

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 triazole and benzonitrile derivative that is a selective non-steroidal aromatase inhibitor, similar to ANASTROZOLE. It is used in the treatment of metastatic or locally advanced breast cancer in postmenopausal women.

Therapeutic Applications

This medication is used to treat certain types of breast cancer (such as hormone-receptor-positive breast cancer) in women after menopause. Letrozole is also used to help prevent the cancer from returning. Some breast cancers are made to grow faster by a natural hormone called estrogen. Letrozole decreases the amount of estrogen the body makes and helps to slow or reverse the growth of these breast cancers.

Lorazepam

Generic Formulation: LorazepamSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 21
30-Day Fills 21.0
Days Supply 272
MA State Average Benchmarks
Peer Average Claims62.0
Peer Average 30-Day Fills67.7
Peer Average Days Supply1,735
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 66.1% 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 $46.93 across this reporting matrix range.

Provider Avg Cost Per Claim

$2.23

State Avg Cost Per Claim

$7.45

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 benzodiazepine used as an anti-anxiety agent with few side effects. It also has hypnotic, anticonvulsant, and considerable sedative properties and has been proposed as a preanesthetic agent.

Therapeutic Applications

This medication is used to treat serious seizures that do not stop (status epilepticus). It is also used before surgeries or procedures to cause drowsiness, decrease anxiety, and cause forgetfulness about the procedure or surgery. Lorazepam belongs to a class of medications called benzodiazepines, which produce a calming effect on the brain and nerves (central nervous system). It is thought to work by increasing the effect of a certain natural chemical (GABA) in the brain.

Lynparza

Generic Formulation: OlaparibSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 15
30-Day Fills 15.0
Days Supply 450
MA State Average Benchmarks
Peer Average Claims19.0
Peer Average 30-Day Fills20.2
Peer Average Days Supply598
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across MA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $197,527.98 across this reporting matrix range.

Provider Avg Cost Per Claim

$13,168.53

State Avg Cost Per Claim

$13,926.62

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

This medication is used to treat certain cancers (such as breast, ovarian, fallopian tube, pancreatic, peritoneal cancer, prostate). Olaparib works by slowing or stopping the growth of cancer cells.

Ondansetron Odt

Generic Formulation: OndansetronSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 19
30-Day Fills 19.0
Days Supply 541
MA State Average Benchmarks
Peer Average Claims19.0
Peer Average 30-Day Fills19.6
Peer Average Days Supply231
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across MA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $4,566.75 across this reporting matrix range.

Provider Avg Cost Per Claim

$240.36

State Avg Cost Per Claim

$22.04

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 competitive serotonin type 3 receptor antagonist. It is effective in the treatment of nausea and vomiting caused by cytotoxic chemotherapy drugs, including cisplatin, and has reported anxiolytic and neuroleptic properties.

Therapeutic Applications

This medication is used alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy. It is also used to prevent and treat nausea and vomiting after surgery. Ondansetron works by blocking one of the body's natural substances (serotonin) that causes vomiting.

Piqray

Generic Formulation: AlpelisibSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 12
30-Day Fills 12.0
Days Supply 336
MA State Average Benchmarks
Peer Average Claims--
Peer Average 30-Day Fills--
Peer Average Days Supply--

Provider Avg Cost Per Claim

$19,669.75

State Avg Cost Per Claim

--

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

This medication is used to treat certain types of breast cancer. Alpelisib may also be used to treat a certain overgrowth disorder, PIK3CA-Related Overgrowth Spectrum (PROS). Alpelisib belongs to a class of drugs known as kinase inhibitors. It works by slowing or stopping the growth of certain abnormal cells that can cause cancer or PROS.

Prochlorperazine Maleate

Generic Formulation: Prochlorperazine MaleateSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 28
30-Day Fills 28.0
Days Supply 683
MA State Average Benchmarks
Peer Average Claims25.0
Peer Average 30-Day Fills25.9
Peer Average Days Supply330
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across MA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $904.98 across this reporting matrix range.

Provider Avg Cost Per Claim

$32.32

State Avg Cost Per Claim

$17.78

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 phenothiazine antipsychotic used principally in the treatment of NAUSEA; VOMITING; and VERTIGO. It is more likely than CHLORPROMAZINE to cause EXTRAPYRAMIDAL DISORDERS. (From Martindale, The Extra Pharmacopoeia, 30th ed, p612)

Therapeutic Applications

This medication is used to treat severe nausea and vomiting from certain causes (for example, after surgery or cancer treatment). Prochlorperazine belongs to a class of drugs known as phenothiazines. This medication is not recommended for use in children younger than 2 years or in children going through surgery.

Tamoxifen Citrate

Generic Formulation: Tamoxifen CitrateSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 39
30-Day Fills 98.2
Days Supply 2,919
MA State Average Benchmarks
Peer Average Claims34.0
Peer Average 30-Day Fills84.9
Peer Average Days Supply2,528
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across MA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,690.45 across this reporting matrix range.

Provider Avg Cost Per Claim

$43.34

State Avg Cost Per Claim

$37.44

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

One of the SELECTIVE ESTROGEN RECEPTOR MODULATORS with tissue-specific activities. Tamoxifen acts as an anti-estrogen (inhibiting agent) in the mammary tissue, but as an estrogen (stimulating agent) in cholesterol metabolism, bone density, and cell proliferation in the ENDOMETRIUM.

Therapeutic Applications

Tamoxifen is used to treat breast cancer. It is also used to reduce the chances of breast cancer in high-risk patients. This medication can block the growth of breast cancer. It works by interfering with the effects of estrogen in the breast tissue.

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 KATHLEEN MICHELLE LEAHY M.D., MPH provides transparency into local medical care patterns within Weymouth, 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 **Medical Oncology** 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.