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DR. DAVID M. ZWERDLING M.D.
Prescription History 1679679609
Psychiatry & Neurology - Psychiatry in Kensington, MD

NPI Status: Active since September 16, 2006

Contact Information

10112 KENSINGTON PKWY
KENSINGTON, MD
ZIP 20895
Phone: (301) 587-3430
Fax: (301) 587-5378

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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. DAVID M. ZWERDLING M.D., an active Psychiatry specialist practicing in Kensington, MD. Our medical registry currently tracks 8 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 139 documented patient claims. Among these therapy options, the most frequently utilized medication is Dexmethylphenidate Hcl Er, which accounts for 30 claims alone.

Medication Index

Bupropion Xl

Generic Formulation: Bupropion HclSpecialty: Psychiatry
Provider Metrics Summary
Total Claims 24
30-Day Fills 72.0
Days Supply 2,160
MD State Average Benchmarks
Peer Average Claims34.0
Peer Average 30-Day Fills65.6
Peer Average Days Supply1,943
Conservative Utilization

This provider writes prescriptions for this formulation 29.4% less frequently than the standard regional baseline metric for practitioners inside MD. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,639.01 across this reporting matrix range.

Provider Avg Cost Per Claim

$68.29

State Avg Cost Per Claim

$43.91

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

Bupropion is used to treat depression. It can improve your mood and feelings of well-being. It may work by helping to restore the balance of certain natural chemicals (neurotransmitters) in your brain.

Clonazepam

Generic Formulation: ClonazepamSpecialty: Psychiatry
Provider Metrics Summary
Total Claims 16
30-Day Fills 24.0
Days Supply 720
MD State Average Benchmarks
Peer Average Claims43.0
Peer Average 30-Day Fills49.7
Peer Average Days Supply1,392
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 62.8% less volume than the regional standard for practitioners inside MD. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $245.80 across this reporting matrix range.

Provider Avg Cost Per Claim

$15.36

State Avg Cost Per Claim

$9.83

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 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.

Therapeutic Applications

Clonazepam is used to prevent and control seizures. 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.

Dexmethylphenidate Hcl Er

Generic Formulation: Dexmethylphenidate HclSpecialty: Psychiatry
Provider Metrics Summary
Total Claims 30
30-Day Fills 30.0
Days Supply 651
MD State Average Benchmarks
Peer Average Claims13.0
Peer Average 30-Day Fills14.2
Peer Average Days Supply418
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 130.8% higher than the standard regional baseline profile for MD. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $2,976.59 across this reporting matrix range.

Provider Avg Cost Per Claim

$99.22

State Avg Cost Per Claim

$144.86

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 methylphenidate derivative, DOPAMINE UPTAKE INHIBITOR and CENTRAL NERVOUS SYSTEM STIMULANT that is used in the treatment of ATTENTION DEFICIT HYPERACTIVITY DISORDER.

Therapeutic Applications

This medication is used to treat attention deficit hyperactivity disorder - ADHD. It works by changing the amounts of certain natural substances in the brain. Dexmethylphenidate belongs to a class of drugs known as stimulants. It can help increase your ability to pay attention, stay focused on an activity, and control behavior problems. It may also help you to organize your tasks and improve listening skills.

Duloxetine Hcl

Generic Formulation: Duloxetine HclSpecialty: Psychiatry
Provider Metrics Summary
Total Claims 12
30-Day Fills 26.0
Days Supply 760
MD State Average Benchmarks
Peer Average Claims37.0
Peer Average 30-Day Fills70.6
Peer Average Days Supply2,086
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 67.6% less volume than the regional standard for practitioners inside MD. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,484.56 across this reporting matrix range.

Provider Avg Cost Per Claim

$123.71

State Avg Cost Per Claim

$53.06

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 thiophene derivative and selective NEUROTRANSMITTER UPTAKE INHIBITOR for SEROTONIN and NORADRENALINE (SNRI). It is an ANTIDEPRESSIVE AGENT and ANXIOLYTIC, and is also used for the treatment of pain in patients with DIABETES MELLITUS and FIBROMYALGIA.

Therapeutic Applications

Duloxetine is used to treat depression and anxiety. In addition, duloxetine is used to help relieve nerve pain (peripheral neuropathy) in people with diabetes or ongoing pain due to medical conditions such as arthritis, chronic back pain, or fibromyalgia (a condition that causes widespread pain). Duloxetine may improve your mood, sleep, appetite, and energy level, and decrease nervousness. It can also decrease pain due to certain medical conditions. Duloxetine is known as a serotonin-norepinephrine reuptake inhibitor (SNRI). This medication works by helping to restore the balance of certain natural substances (serotonin and norepinephrine) in the brain.

Fluoxetine Hcl

Generic Formulation: Fluoxetine HclSpecialty: Psychiatry
Provider Metrics Summary
Total Claims 13
30-Day Fills 17.0
Days Supply 510
MD State Average Benchmarks
Peer Average Claims33.0
Peer Average 30-Day Fills60.7
Peer Average Days Supply1,788
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 60.6% less volume than the regional standard for practitioners inside MD. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $256.76 across this reporting matrix range.

Provider Avg Cost Per Claim

$19.75

State Avg Cost Per Claim

$16.58

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

The first highly specific serotonin uptake inhibitor. It is used as an antidepressant and often has a more acceptable side-effects profile than traditional antidepressants.

Therapeutic Applications

This long-acting form of fluoxetine is used to treat depression in people who have been successfully treated with the form of fluoxetine that is taken daily. Fluoxetine is a selective serotonin reuptake inhibitor (SSRI). SSRIs work by helping to restore the balance of certain natural substances in the brain (neurotransmitters such as serotonin). Fluoxetine may decrease anxiety, improve your mood, sleep, appetite, and energy level and may help restore your interest in daily living.

Methylphenidate La

Generic Formulation: Methylphenidate HclSpecialty: Psychiatry
Provider Metrics Summary
Total Claims 12
30-Day Fills 12.0
Days Supply 337
MD State Average Benchmarks
Peer Average Claims17.0
Peer Average 30-Day Fills17.2
Peer Average Days Supply473
Conservative Utilization

This provider writes prescriptions for this formulation 29.4% less frequently than the standard regional baseline metric for practitioners inside MD. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,445.38 across this reporting matrix range.

Provider Avg Cost Per Claim

$120.45

State Avg Cost Per Claim

$160.76

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 attention deficit hyperactivity disorder - ADHD. It works by changing the amounts of certain natural substances in the brain. Methylphenidate belongs to a class of drugs known as stimulants. It can help increase your ability to pay attention, stay focused on an activity, and control behavior problems. It may also help you to organize your tasks and improve listening skills.

Mirtazapine

Generic Formulation: MirtazapineSpecialty: Psychiatry
Provider Metrics Summary
Total Claims 20
30-Day Fills 44.0
Days Supply 1,305
MD State Average Benchmarks
Peer Average Claims44.0
Peer Average 30-Day Fills61.6
Peer Average Days Supply1,735
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 54.5% less volume than the regional standard for practitioners inside MD. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $415.15 across this reporting matrix range.

Provider Avg Cost Per Claim

$20.76

State Avg Cost Per Claim

$26.66

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 piperazinoazepine tetracyclic compound that enhances the release of NOREPINEPHRINE and SEROTONIN through blockage of presynaptic ALPHA-2 ADRENERGIC RECEPTORS. It also blocks both 5-HT2 and 5-HT3 serotonin receptors and is a potent HISTAMINE H1 RECEPTOR antagonist. It is used for the treatment of depression, and may also be useful for the treatment of anxiety disorders.

Therapeutic Applications

Mirtazapine is used to treat depression. It improves mood and feelings of well-being. Mirtazapine is an antidepressant that works by restoring the balance of natural chemicals (neurotransmitters) in the brain.

Sertraline Hcl

Generic Formulation: Sertraline HclSpecialty: Psychiatry
Provider Metrics Summary
Total Claims 12
30-Day Fills 34.0
Days Supply 1,020
MD State Average Benchmarks
Peer Average Claims50.0
Peer Average 30-Day Fills93.1
Peer Average Days Supply2,726
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 76.0% less volume than the regional standard for practitioners inside MD. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $148.83 across this reporting matrix range.

Provider Avg Cost Per Claim

$12.40

State Avg Cost Per Claim

$12.91

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. DAVID M. ZWERDLING M.D. provides transparency into local medical care patterns within Kensington, MD.

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 **Psychiatry** 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.