MR. MICHAEL DWYER GRENNAN
Prescription History 1669829933
Physician Assistant in Gig Harbor, WA

NPI Status: Active since May 17, 2016

Contact Information

4779 POINT FOSDICK DR STE 500
GIG HARBOR, WA
ZIP 98335
Phone: (253) 530-8460
Fax: (253) 530-8465

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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 MR. MICHAEL DWYER GRENNAN, an active Physician Assistant specialist practicing in Gig Harbor, WA. Our medical registry currently tracks 11 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 438 documented patient claims. Among these therapy options, the most frequently utilized medication is Prednisone, which accounts for 89 claims alone.


Albuterol Sulfate Hfa

Generic Formulation: Albuterol SulfateSpecialty: Physician Assistant
Provider Metrics Summary
Total Claims 58
30-Day Fills 59.4
Days Supply 1,099
WA State Average Benchmarks
Peer Average Claims45.0
Peer Average 30-Day Fills55.0
Peer Average Days Supply1,304
Elevated Utilization

This provider maintains an active emphasis on this therapeutic option, recording 28.9% 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 $1,580.35 across this reporting matrix range.

Provider Avg Cost Per Claim

$27.25

State Avg Cost Per Claim

$47.79

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 short-acting beta-2 adrenergic agonist that is primarily used as a bronchodilator agent to treat ASTHMA. Albuterol is prepared as a racemic mixture of R(-) and S(+) stereoisomers. The stereospecific preparation of R(-) isomer of albuterol is referred to as levalbuterol.

Therapeutic Applications

Albuterol (also known as salbutamol) is used to treat wheezing and shortness of breath caused by breathing problems such as asthma. It is a quick-relief medication. Albuterol belongs to a class of drugs known as bronchodilators. It works by relaxing the muscles around the airways so that they open up and you can breathe more easily. Controlling symptoms of breathing problems can decrease time lost from work or school.

Amoxicillin

Generic Formulation: AmoxicillinSpecialty: Physician Assistant
Provider Metrics Summary
Total Claims 73
30-Day Fills 73.0
Days Supply 734
WA State Average Benchmarks
Peer Average Claims30.0
Peer Average 30-Day Fills31.5
Peer Average Days Supply223
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 143.3% 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 $403.68 across this reporting matrix range.

Provider Avg Cost Per Claim

$5.53

State Avg Cost Per Claim

$4.48

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 broad-spectrum semisynthetic antibiotic similar to AMPICILLIN except that its resistance to gastric acid permits higher serum levels with oral administration.

Therapeutic Applications

Amoxicillin is used to treat a wide variety of bacterial infections. This medication is a penicillin-type antibiotic. It works by stopping the growth of bacteria. This antibiotic treats 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. Amoxicillin is also used with other medications to treat stomach/intestinal ulcers caused by the bacteria H. pylori and to prevent the ulcers from returning.

Amoxicillin-Clavulanate Potass

Generic Formulation: Amoxicillin/Potassium ClavSpecialty: Physician Assistant
Provider Metrics Summary
Total Claims 12
30-Day Fills 12.0
Days Supply 117
WA State Average Benchmarks
Peer Average Claims20.0
Peer Average 30-Day Fills20.7
Peer Average Days Supply194
Conservative Utilization

This provider writes prescriptions for this formulation 40.0% less frequently than the standard regional baseline metric for practitioners inside WA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $160.97 across this reporting matrix range.

Provider Avg Cost Per Claim

$13.41

State Avg Cost Per Claim

$15.72

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.

Clinical Summary

A fixed-ratio combination of amoxicillin trihydrate and potassium clavulanate.

Therapeutic Applications

Amoxicillin/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections. It works by stopping the growth of bacteria. This antibiotic treats 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.

Azithromycin

Generic Formulation: AzithromycinSpecialty: Physician Assistant
Provider Metrics Summary
Total Claims 30
30-Day Fills 30.0
Days Supply 150
WA State Average Benchmarks
Peer Average Claims26.0
Peer Average 30-Day Fills30.0
Peer Average Days Supply351
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across WA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $123.03 across this reporting matrix range.

Provider Avg Cost Per Claim

$4.10

State Avg Cost Per Claim

$13.49

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 semi-synthetic macrolide antibiotic structurally related to ERYTHROMYCIN. It has been used in the treatment of Mycobacterium avium intracellulare infections, toxoplasmosis, and cryptosporidiosis.

Therapeutic Applications

This medication is used to treat certain eye infections. It is a macrolide antibiotic that 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 misuse of any antibiotic can lead to its decreased effectiveness.

Cephalexin

Generic Formulation: CephalexinSpecialty: Physician Assistant
Provider Metrics Summary
Total Claims 51
30-Day Fills 51.0
Days Supply 508
WA State Average Benchmarks
Peer Average Claims25.0
Peer Average 30-Day Fills27.4
Peer Average Days Supply296
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 104.0% 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 $758.53 across this reporting matrix range.

Provider Avg Cost Per Claim

$14.87

State Avg Cost Per Claim

$10.43

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 semisynthetic cephalosporin antibiotic with antimicrobial activity similar to that of CEPHALORIDINE or CEPHALOTHIN, but somewhat less potent. It is effective against both gram-positive and gram-negative organisms.

Therapeutic Applications

This medication is used to treat a wide variety of bacterial infections. This medication is known as a cephalosporin antibiotic. It works by stopping the growth of bacteria. This medication will not work for viral infections (such as common cold, flu). Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness.

Doxycycline Hyclate

Generic Formulation: Doxycycline HyclateSpecialty: Physician Assistant
Provider Metrics Summary
Total Claims 28
30-Day Fills 28.0
Days Supply 273
WA State Average Benchmarks
Peer Average Claims23.0
Peer Average 30-Day Fills27.4
Peer Average Days Supply488
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across WA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $389.71 across this reporting matrix range.

Provider Avg Cost Per Claim

$13.92

State Avg Cost Per Claim

$31.31

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 tetracycline derivative with similar antimicrobial activity.

Therapeutic Applications

This medication is used to treat a wide variety of bacterial infections, including those that cause acne. This medication is also used to prevent malaria. This medication is known as a tetracycline antibiotic. It works by stopping the growth of bacteria. This antibiotic treats 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.

Ibuprofen

Generic Formulation: IbuprofenSpecialty: Physician Assistant
Provider Metrics Summary
Total Claims 26
30-Day Fills 26.0
Days Supply 760
WA State Average Benchmarks
Peer Average Claims25.0
Peer Average 30-Day Fills28.6
Peer Average Days Supply548
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across WA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $286.64 across this reporting matrix range.

Provider Avg Cost Per Claim

$11.02

State Avg Cost Per Claim

$10.50

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 non-steroidal anti-inflammatory agent with analgesic, antipyretic, and anti-inflammatory properties

Therapeutic Applications

Ibuprofen is used to help relieve mild to moderate pain. When used with an opioid (such as morphine), it may be used to relieve moderate to severe pain. It is also used to reduce fever. Ibuprofen is known as a nonsteroidal anti-inflammatory drug (NSAID). It works by blocking your body's production of certain natural substances that cause inflammation. This effect helps to decrease swelling, pain, or fever.

Nitrofurantoin Mono-Macro

Generic Formulation: Nitrofurantoin Monohyd/M-CrystSpecialty: Physician Assistant
Provider Metrics Summary
Total Claims 45
30-Day Fills 45.0
Days Supply 323
WA State Average Benchmarks
Peer Average Claims20.0
Peer Average 30-Day Fills21.9
Peer Average Days Supply229
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 125.0% 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 $848.98 across this reporting matrix range.

Provider Avg Cost Per Claim

$18.87

State Avg Cost Per Claim

$25.38

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 an antibiotic used to treat bladder infections (acute cystitis). It works by stopping the growth of bacteria. This antibiotic treats 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. This medication should not be used in infants younger than 1 month old (see also Precautions section). This drug should not be used to treat infections outside the bladder (including kidney infections such as pyelonephritis or perinephric abscesses).

Prednisone

Generic Formulation: PrednisoneSpecialty: Physician Assistant
Provider Metrics Summary
Total Claims 89
30-Day Fills 89.0
Days Supply 445
WA State Average Benchmarks
Peer Average Claims37.0
Peer Average 30-Day Fills49.2
Peer Average Days Supply1,037
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 140.5% 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 $251.48 across this reporting matrix range.

Provider Avg Cost Per Claim

$2.83

State Avg Cost Per Claim

$8.30

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 anti-inflammatory glucocorticoid derived from CORTISONE. It is biologically inert and converted to PREDNISOLONE in the liver.

Therapeutic Applications

Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders. Prednisone 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.

Sulfamethoxazole-Trimethoprim

Generic Formulation: Sulfamethoxazole/TrimethoprimSpecialty: Physician Assistant
Provider Metrics Summary
Total Claims 15
30-Day Fills 15.0
Days Supply 136
WA State Average Benchmarks
Peer Average Claims21.0
Peer Average 30-Day Fills24.7
Peer Average Days Supply367
Conservative Utilization

This provider writes prescriptions for this formulation 28.6% less frequently than the standard regional baseline metric for practitioners inside WA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $117.61 across this reporting matrix range.

Provider Avg Cost Per Claim

$7.84

State Avg Cost Per Claim

$6.79

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 drug combination with broad-spectrum antibacterial activity against both gram-positive and gram-negative organisms. It is effective in the treatment of many infections, including PNEUMOCYSTIS PNEUMONIA in AIDS.

Therapeutic Applications

This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim. It is used to treat a wide variety of bacterial infections (such as middle ear, urine, respiratory, and intestinal infections). It is also used to prevent and treat a certain type of pneumonia (pneumocystis-type). This medication should not be used by children less than 2 months of age due to the risk of serious side effects. This medication treats only certain types of infections. It will not work for viral infections (such as flu). Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness.

Valacyclovir

Generic Formulation: Valacyclovir HclSpecialty: Physician Assistant
Provider Metrics Summary
Total Claims 11
30-Day Fills 11.0
Days Supply 41
WA State Average Benchmarks
Peer Average Claims18.0
Peer Average 30-Day Fills28.3
Peer Average Days Supply651
Conservative Utilization

This provider writes prescriptions for this formulation 38.9% less frequently than the standard regional baseline metric for practitioners inside WA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $288.49 across this reporting matrix range.

Provider Avg Cost Per Claim

$26.23

State Avg Cost Per Claim

$50.60

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 prodrug of acyclovir that is used in the treatment of HERPES ZOSTER and HERPES SIMPLEX VIRUS INFECTION of the skin and mucous membranes, including GENITAL HERPES.

Therapeutic Applications

Valacyclovir is used to treat infections caused by certain types of viruses. In children, it is used to treat cold sores around the mouth (caused by herpes simplex) and chickenpox (caused by varicella zoster). In adults, it is used to treat shingles (caused by herpes zoster) and cold sores around the mouth. Valacyclovir is also used to treat outbreaks of genital herpes. In people with frequent outbreaks, this medication is used to reduce the number of future episodes. Valacyclovir is an antiviral drug. It stops the growth of certain viruses. However, it is not a cure for these infections. The viruses that cause these infections continue to live in the body even between outbreaks. Valacyclovir decreases the severity and length of these outbreaks. It helps the sores heal faster, keeps new sores from forming, and decreases pain/itching. This medication may also help reduce how long pain remains after the sores heal.

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 MR. MICHAEL DWYER GRENNAN provides transparency into local medical care patterns within Gig Harbor, 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 **Physician Assistant** 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.