CATHY YX ZHANG MD
Prescription History 1164082426
Ophthalmology in Silverdale, WA


Quality Rating: 90.91 out of 100 score

NPI Status: Active since June 19, 2019

Contact Information

10452 SILVERDALE WAY NW
SILVERDALE, WA
ZIP 98383
Phone: (360) 307-7300
Fax: (877) 777-9902

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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 CATHY YX ZHANG MD, an active Ophthalmology specialist practicing in Silverdale, WA. Our medical registry currently tracks 5 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 364 documented patient claims. Among these therapy options, the most frequently utilized medication is Prednisolone Acetate, which accounts for 144 claims alone.

Medication Index


Erythromycin

Generic Formulation: Erythromycin BaseSpecialty: Ophthalmology
Provider Metrics Summary
Total Claims 17
30-Day Fills 17.0
Days Supply 231
WA State Average Benchmarks
Peer Average Claims46.0
Peer Average 30-Day Fills47.6
Peer Average Days Supply627
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 63.0% less volume than the regional standard for practitioners inside WA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $188.64 across this reporting matrix range.

Provider Avg Cost Per Claim

$11.10

State Avg Cost Per Claim

$14.59

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

Erythromycin is used to treat a wide variety of bacterial infections. It may also be used to prevent certain bacterial infections. Erythromycin is known as a macrolide antibiotic. It works by stopping the growth of bacteria. This antibiotic treats or prevents only bacterial infections. It will not work for viral infections (such as common cold, flu). Using any antibiotic when it is not needed can cause it to not work for future infections.

Ketorolac Tromethamine

Generic Formulation: Ketorolac TromethamineSpecialty: Ophthalmology
Provider Metrics Summary
Total Claims 91
30-Day Fills 92.3
Days Supply 2,133
WA State Average Benchmarks
Peer Average Claims68.0
Peer Average 30-Day Fills77.0
Peer Average Days Supply1,843
Elevated Utilization

This provider maintains an active emphasis on this therapeutic option, recording 33.8% more claims than the standard regional baseline profile for WA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,543.99 across this reporting matrix range.

Provider Avg Cost Per Claim

$16.97

State Avg Cost Per Claim

$28.29

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 54
30-Day Fills 73.5
Days Supply 2,024
WA State Average Benchmarks
Peer Average Claims120.0
Peer Average 30-Day Fills215.0
Peer Average Days Supply6,136
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 55.0% less volume than the regional standard for practitioners inside WA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $678.22 across this reporting matrix range.

Provider Avg Cost Per Claim

$12.56

State Avg Cost Per Claim

$24.23

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 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.

Polymyxin B Sul-Trimethoprim

Generic Formulation: Polymyxin B Sulf/TrimethoprimSpecialty: Ophthalmology
Provider Metrics Summary
Total Claims 58
30-Day Fills 75.8
Days Supply 2,026
WA State Average Benchmarks
Peer Average Claims33.0
Peer Average 30-Day Fills44.0
Peer Average Days Supply1,107
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 75.8% higher than the standard regional baseline profile for WA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $516.30 across this reporting matrix range.

Provider Avg Cost Per Claim

$8.90

State Avg Cost Per Claim

$10.11

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 bacterial infections (such as blepharitis, conjunctivitis) of the eye. It contains 2 antibiotics. Polymyxin B works by killing the bacteria. Trimethoprim works by stopping the growth of the bacteria. This medication treats only bacterial eye infections. It will not work for other types of eye infections. Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness.

Prednisolone Acetate

Generic Formulation: Prednisolone AcetateSpecialty: Ophthalmology
Provider Metrics Summary
Total Claims 144
30-Day Fills 169.2
Days Supply 3,552
WA State Average Benchmarks
Peer Average Claims95.0
Peer Average 30-Day Fills120.6
Peer Average Days Supply3,071
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 51.6% higher than the standard regional baseline profile for WA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $5,326.26 across this reporting matrix range.

Provider Avg Cost Per Claim

$36.99

State Avg Cost Per Claim

$48.29

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.

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 CATHY YX ZHANG MD provides transparency into local medical care patterns within Silverdale, WA.

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 **Ophthalmology** 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.