DR. THOMAS MARK JOHNSON M.D.
Prescription History 1366498545
Ophthalmology - Retina Specialist in Fredericksburg, VA


Quality Rating: 99.9 out of 100 score

NPI Status: Active since May 26, 2006

Contact Information

200 EXECUTIVE CENTER PKWY
SUITE 102
FREDERICKSBURG, VA
ZIP 22401
Phone: (540) 654-5333
Fax: (540) 654-5334

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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. THOMAS MARK JOHNSON M.D., an active Retina Specialist specialist practicing in Fredericksburg, VA. Our medical registry currently tracks 11 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 504 documented patient claims. Among these therapy options, the most frequently utilized medication is Prednisolone Acetate, which accounts for 110 claims alone.


Brimonidine Tartrate

Generic Formulation: Brimonidine TartrateSpecialty: Ophthalmology
Provider Metrics Summary
Total Claims 19
30-Day Fills 35.0
Days Supply 1,004
VA State Average Benchmarks
Peer Average Claims66.0
Peer Average 30-Day Fills125.5
Peer Average Days Supply3,611
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 71.2% less volume than the regional standard for practitioners inside VA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,648.54 across this reporting matrix range.

Provider Avg Cost Per Claim

$86.77

State Avg Cost Per Claim

$42.09

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: Ophthalmology
Provider Metrics Summary
Total Claims 26
30-Day Fills 46.0
Days Supply 1,379
VA State Average Benchmarks
Peer Average Claims56.0
Peer Average 30-Day Fills117.4
Peer Average Days Supply3,501
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 53.6% less volume than the regional standard for practitioners inside VA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $641.78 across this reporting matrix range.

Provider Avg Cost Per Claim

$24.68

State Avg Cost Per Claim

$31.65

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: Ophthalmology
Provider Metrics Summary
Total Claims 27
30-Day Fills 66.2
Days Supply 1,987
VA State Average Benchmarks
Peer Average Claims77.0
Peer Average 30-Day Fills169.4
Peer Average Days Supply5,063
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 64.9% less volume than the regional standard for practitioners inside VA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $621.32 across this reporting matrix range.

Provider Avg Cost Per Claim

$23.01

State Avg Cost Per Claim

$35.07

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.

Ketorolac Tromethamine

Generic Formulation: Ketorolac TromethamineSpecialty: Ophthalmology
Provider Metrics Summary
Total Claims 105
30-Day Fills 197.9
Days Supply 5,786
VA State Average Benchmarks
Peer Average Claims72.0
Peer Average 30-Day Fills85.4
Peer Average Days Supply2,021
Elevated Utilization

This provider maintains an active emphasis on this therapeutic option, recording 45.8% more claims than the standard regional baseline profile for VA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $3,568.05 across this reporting matrix range.

Provider Avg Cost Per Claim

$33.98

State Avg Cost Per Claim

$26.50

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 pyrrolizine carboxylic acid derivative structurally related to INDOMETHACIN. It is a non-steroidal anti-inflammatory agent used for analgesia for postoperative pain and inhibits cyclooxygenase activity.

Therapeutic Applications

This medication is used to temporarily relieve itching eyes caused by seasonal allergies. It is also used to prevent and treat eye swelling due to a certain type of eye surgery (cataract removal). Ketorolac belongs to a class of drugs known as nonsteroidal anti-inflammatory drugs (NSAIDs). It works by blocking certain natural substances in your body to reduce pain and swelling.

Latanoprost

Generic Formulation: LatanoprostSpecialty: Ophthalmology
Provider Metrics Summary
Total Claims 75
30-Day Fills 133.4
Days Supply 3,848
VA State Average Benchmarks
Peer Average Claims140.0
Peer Average 30-Day Fills274.2
Peer Average Days Supply7,923
Conservative Utilization

This provider writes prescriptions for this formulation 46.4% less frequently than the standard regional baseline metric for practitioners inside VA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,028.84 across this reporting matrix range.

Provider Avg Cost Per Claim

$13.72

State Avg Cost Per Claim

$21.86

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 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: Ophthalmology
Provider Metrics Summary
Total Claims 21
30-Day Fills 40.9
Days Supply 1,193
VA State Average Benchmarks
Peer Average Claims56.0
Peer Average 30-Day Fills102.2
Peer Average Days Supply2,953
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 62.5% less volume than the regional standard for practitioners inside VA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $9,328.69 across this reporting matrix range.

Provider Avg Cost Per Claim

$444.22

State Avg Cost Per Claim

$478.98

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.

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.

Neomycin-Polymyxin-Dexameth

Generic Formulation: Neomycin/Polymyxin B/DexamethaSpecialty: Ophthalmology
Provider Metrics Summary
Total Claims 39
30-Day Fills 41.0
Days Supply 569
VA State Average Benchmarks
Peer Average Claims39.0
Peer Average 30-Day Fills40.7
Peer Average Days Supply652
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across VA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $589.65 across this reporting matrix range.

Provider Avg Cost Per Claim

$15.12

State Avg Cost Per Claim

$14.34

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 conditions involving swelling (inflammation) of the eyes and to treat or prevent bacterial eye infections. This product contains neomycin and polymyxin, antibiotics that work by stopping the growth of bacteria. It also contains dexamethasone, an anti-inflammatory corticosteroid that works by reducing swelling. This medication treats/prevents only bacterial eye infections. It will not work for other types of eye infections and may worsen them (such as infections caused by viruses, fungi, mycobacteria). Unnecessary use or overuse of any antibiotic can lead to its decreased effectiveness.

Ofloxacin

Generic Formulation: OfloxacinSpecialty: Ophthalmology
Provider Metrics Summary
Total Claims 16
30-Day Fills 17.6
Days Supply 391
VA State Average Benchmarks
Peer Average Claims69.0
Peer Average 30-Day Fills72.1
Peer Average Days Supply1,467
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 76.8% less volume than the regional standard for practitioners inside VA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $216.89 across this reporting matrix range.

Provider Avg Cost Per Claim

$13.56

State Avg Cost Per Claim

$17.95

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 synthetic fluoroquinolone antibacterial agent that inhibits the supercoiling activity of bacterial DNA GYRASE, halting DNA REPLICATION.

Therapeutic Applications

This medication is used to treat eye infections. Ofloxacin belongs to a class of drugs called quinolone antibiotics. It works by stopping the growth of bacteria. This medication treats only bacterial eye infections. It will not work for other types of eye infections. Unnecessary use or overuse of any antibiotic can lead to its decreased effectiveness.

Prednisolone Acetate

Generic Formulation: Prednisolone AcetateSpecialty: Ophthalmology
Provider Metrics Summary
Total Claims 110
30-Day Fills 210.3
Days Supply 6,133
VA State Average Benchmarks
Peer Average Claims115.0
Peer Average 30-Day Fills147.5
Peer Average Days Supply3,787
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across VA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $7,268.23 across this reporting matrix range.

Provider Avg Cost Per Claim

$66.07

State Avg Cost Per Claim

$49.99

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 eye conditions due to inflammation or injury. Prednisolone works by relieving symptoms such as swelling, redness, and itching. It belongs to a class of drugs known as corticosteroids.

Prolensa

Generic Formulation: Bromfenac SodiumSpecialty: Ophthalmology
Provider Metrics Summary
Total Claims 15
30-Day Fills 17.0
Days Supply 510
VA State Average Benchmarks
Peer Average Claims48.0
Peer Average 30-Day Fills62.7
Peer Average Days Supply1,770
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 68.8% less volume than the regional standard for practitioners inside VA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $5,834.17 across this reporting matrix range.

Provider Avg Cost Per Claim

$388.94

State Avg Cost Per Claim

$356.82

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 swelling (inflammation) and pain in the eye after a certain type of eye surgery (cataract surgery). Bromfenac belongs to a class of drugs known as nonsteroidal anti-inflammatory drugs (NSAIDs). It works by blocking the effects of certain natural substances (prostaglandins) that cause pain and inflammation.

Timolol Maleate

Generic Formulation: Timolol MaleateSpecialty: Ophthalmology
Provider Metrics Summary
Total Claims 51
30-Day Fills 114.4
Days Supply 3,411
VA State Average Benchmarks
Peer Average Claims14.0
Peer Average 30-Day Fills23.8
Peer Average Days Supply711
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 264.3% higher than the standard regional baseline profile for VA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,932.63 across this reporting matrix range.

Provider Avg Cost Per Claim

$37.89

State Avg Cost Per Claim

$409.32

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. THOMAS MARK JOHNSON M.D. provides transparency into local medical care patterns within Fredericksburg, VA.

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 **Retina Specialist** 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.