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DR. MICHAEL V JOHNSTON O.D.
Prescription History 1740367283
Optometrist in Harlan, IA

NPI Status: Active since November 01, 2006

Contact Information

2110 12TH ST
HARLAN, IA
ZIP 51537
Phone: (712) 755-2150
Fax: (712) 755-7555

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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. MICHAEL V JOHNSTON O.D., an active Optometrist specialist practicing in Harlan, IA. Our medical registry currently tracks 6 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 229 documented patient claims. Among these therapy options, the most frequently utilized medication is Latanoprost, which accounts for 82 claims alone.

Medication Index

Brimonidine Tartrate

Generic Formulation: Brimonidine TartrateSpecialty: Optometry
Provider Metrics Summary
Total Claims 12
30-Day Fills 26.4
Days Supply 792
IA State Average Benchmarks
Peer Average Claims46.0
Peer Average 30-Day Fills76.2
Peer Average Days Supply2,171
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 73.9% less volume than the regional standard for practitioners inside IA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,441.50 across this reporting matrix range.

Provider Avg Cost Per Claim

$120.13

State Avg Cost Per Claim

$42.68

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 quinoxaline derivative and ADRENERGIC ALHPA-2 RECEPTOR AGONIST that is used to manage INTRAOCULAR PRESSURE associated with OPEN-ANGLE GLAUCOMA and OCULAR HYPERTENSION.

Therapeutic Applications

This medication is used to treat open-angle glaucoma or high fluid pressure in the eye. Lowering high fluid pressure in the eye reduces the risk of vision loss, nerve damage, or blindness. This medication lowers pressure by allowing better fluid drainage from within the eye and also by reducing the amount of fluid formed in the eye. It is known as an alpha agonist. This drug is not recommended for use in children less than 2 years of age due to an increased risk of serious side effects such as very slowed breathing. Ask the doctor or pharmacist for details.

Dorzolamide Hcl

Generic Formulation: Dorzolamide HclSpecialty: Optometry
Provider Metrics Summary
Total Claims 14
30-Day Fills 28.6
Days Supply 858
IA State Average Benchmarks
Peer Average Claims39.0
Peer Average 30-Day Fills73.3
Peer Average Days Supply2,188
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 64.1% less volume than the regional standard for practitioners inside IA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $237.33 across this reporting matrix range.

Provider Avg Cost Per Claim

$16.95

State Avg Cost Per Claim

$25.03

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

Dorzolamide is used to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (such as ocular hypertension). Lowering high pressure inside the eye helps to prevent blindness. This medication works by decreasing the amount of fluid within the eye. It belongs to a class of drugs known as carbonic anhydrase inhibitors.

Dorzolamide-Timolol

Generic Formulation: Dorzolamide Hcl/Timolol MaleatSpecialty: Optometry
Provider Metrics Summary
Total Claims 62
30-Day Fills 97.4
Days Supply 2,896
IA State Average Benchmarks
Peer Average Claims64.0
Peer Average 30-Day Fills126.1
Peer Average Days Supply3,771
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across IA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,167.22 across this reporting matrix range.

Provider Avg Cost Per Claim

$18.83

State Avg Cost Per Claim

$26.35

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 product contains two drugs used to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (such as ocular hypertension). Lowering high pressure inside the eye helps to prevent blindness. This medication works by decreasing the amount of fluid within the eye. Timolol belongs to a class of drugs known as beta-blockers, and dorzolamide belongs to a class of drugs known as carbonic anhydrase inhibitors.

Latanoprost

Generic Formulation: LatanoprostSpecialty: Optometry
Provider Metrics Summary
Total Claims 82
30-Day Fills 158.4
Days Supply 4,684
IA State Average Benchmarks
Peer Average Claims122.0
Peer Average 30-Day Fills195.1
Peer Average Days Supply5,507
Conservative Utilization

This provider writes prescriptions for this formulation 32.8% less frequently than the standard regional baseline metric for practitioners inside IA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,252.29 across this reporting matrix range.

Provider Avg Cost Per Claim

$15.27

State Avg Cost Per Claim

$18.46

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 prostaglandin F analog used to treat OCULAR HYPERTENSION in patients with GLAUCOMA.

Therapeutic Applications

Latanoprost is used to treat high pressure inside the eye due to glaucoma (open angle type) or other eye diseases (such as ocular hypertension). It is similar to a natural chemical in the body (prostaglandin) and works by regulating the flow of fluid within the eye which results in lower pressure. Lowering high pressure inside the eye helps to prevent blindness.

Lumigan

Generic Formulation: BimatoprostSpecialty: Optometry
Provider Metrics Summary
Total Claims 44
30-Day Fills 82.3
Days Supply 2,467
IA State Average Benchmarks
Peer Average Claims49.0
Peer Average 30-Day Fills77.5
Peer Average Days Supply2,201
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across IA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $25,935.55 across this reporting matrix range.

Provider Avg Cost Per Claim

$589.44

State Avg Cost Per Claim

$412.74

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 cloprostenol-derived amide that is used as an ANTIHYPERTENSIVE AGENT in the treatment of OPEN-ANGLE GLAUCOMA and OCULAR HYPERTENSION.

Therapeutic Applications

Bimatoprost is used to treat high pressure inside the eye due to glaucoma (open-angle type) or other eye diseases (such as ocular hypertension). Lowering high pressure inside the eye can help prevent blindness. This medication works by regulating the flow of fluid within the eye to maintain a normal pressure.

Timolol Maleate

Generic Formulation: Timolol MaleateSpecialty: Optometry
Provider Metrics Summary
Total Claims 15
30-Day Fills 29.4
Days Supply 883
IA State Average Benchmarks
Peer Average Claims59.0
Peer Average 30-Day Fills115.5
Peer Average Days Supply3,408
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 74.6% less volume than the regional standard for practitioners inside IA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $225.07 across this reporting matrix range.

Provider Avg Cost Per Claim

$15.00

State Avg Cost Per Claim

$20.84

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 beta-adrenergic antagonist that is similar in action to PROPRANOLOL; the levo-isomer is more active. Timolol has been proposed as an anti-hypertensive, anti-arrhythmic, anti-angina, and anti-glaucoma agent. It is also used in the treatment of MIGRAINE DISORDERS and tremor.

Therapeutic Applications

This medication is used to treat high pressure inside the eye due to glaucoma (open angle-type) or other eye diseases (such as ocular hypertension). Lowering high pressure inside the eye helps to prevent blindness. This medication works by decreasing the amount of fluid within the eye. Timolol belongs to a class of drugs known as beta-blockers.

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. MICHAEL V JOHNSTON O.D. provides transparency into local medical care patterns within Harlan, IA.

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 **Optometrist** 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.