DR. MATTHEW RUSSELL CALLAHAN M.D.
Prescription History 1083901839
Hospitalist in San Diego, CA

NPI Status: Active since June 30, 2011

Contact Information

4077 FIFTH AVE
MER 127
SAN DIEGO, CA
ZIP 92103
Phone: (619) 260-7125
Fax: (619) 686-3874

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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. MATTHEW RUSSELL CALLAHAN M.D., an active Hospitalist specialist practicing in San Diego, CA. Our medical registry currently tracks 4 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 57 documented patient claims. Among these therapy options, the most frequently utilized medication is Pantoprazole Sodium, which accounts for 17 claims alone.

Medication Index

No matching medications currently found on file.

Amlodipine Besylate

Generic Formulation: Amlodipine BesylateSpecialty: Hospitalist
Provider Metrics Summary
Total Claims 13
30-Day Fills 13.0
Days Supply 390
CA State Average Benchmarks
Peer Average Claims138.0
Peer Average 30-Day Fills343.8
Peer Average Days Supply10,229
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 90.6% less volume than the regional standard for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $112.89 across this reporting matrix range.

Provider Avg Cost Per Claim

$8.68

State Avg Cost Per Claim

$9.16

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 long-acting dihydropyridine calcium channel blocker. It is effective in the treatment of ANGINA PECTORIS and HYPERTENSION.

Therapeutic Applications

Amlodipine is used with or without other medications to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Amlodipine belongs to a class of drugs known as calcium channel blockers. It works by relaxing blood vessels so blood can flow more easily. Amlodipine is also used to prevent certain types of chest pain (angina). It may help to increase your ability to exercise and decrease the frequency of angina attacks. It should not be used to treat attacks of chest pain when they occur. Use other medications (such as sublingual nitroglycerin) to relieve attacks of chest pain as directed by your doctor.

Furosemide

Generic Formulation: FurosemideSpecialty: Hospitalist
Provider Metrics Summary
Total Claims 13
30-Day Fills 13.0
Days Supply 296
CA State Average Benchmarks
Peer Average Claims65.0
Peer Average 30-Day Fills133.2
Peer Average Days Supply3,865
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 80.0% less volume than the regional standard for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $35.26 across this reporting matrix range.

Provider Avg Cost Per Claim

$2.71

State Avg Cost Per Claim

$7.59

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.

Clinical Summary

A benzoic-sulfonamide-furan. It is a diuretic with fast onset and short duration that is used for EDEMA and chronic RENAL INSUFFICIENCY.

Therapeutic Applications

Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease. This can lessen symptoms such as shortness of breath and swelling in your arms, legs, and abdomen. This drug is also used to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Furosemide is a water pill (diuretic) that causes you to make more urine. This helps your body get rid of extra water and salt.

Pantoprazole Sodium

Generic Formulation: Pantoprazole SodiumSpecialty: Hospitalist
Provider Metrics Summary
Total Claims 17
30-Day Fills 17.0
Days Supply 462
CA State Average Benchmarks
Peer Average Claims62.0
Peer Average 30-Day Fills125.5
Peer Average Days Supply3,693
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 72.6% less volume than the regional standard for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $149.00 across this reporting matrix range.

Provider Avg Cost Per Claim

$8.76

State Avg Cost Per Claim

$16.94

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

2-pyridinylmethylsulfinylbenzimidazole proton pump inhibitor that is used in the treatment of GASTROESOPHAGEAL REFLUX and PEPTIC ULCER.

Therapeutic Applications

Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux). It works by decreasing the amount of acid your stomach makes. This medication relieves symptoms such as heartburn, difficulty swallowing, and cough. It helps heal acid damage to the stomach and esophagus, helps prevent ulcers, and may help prevent cancer of the esophagus. Pantoprazole belongs to a class of drugs known as proton pump inhibitors (PPIs).

Prednisone

Generic Formulation: PrednisoneSpecialty: Hospitalist
Provider Metrics Summary
Total Claims 14
30-Day Fills 14.2
Days Supply 154
CA State Average Benchmarks
Peer Average Claims40.0
Peer Average 30-Day Fills52.2
Peer Average Days Supply1,075
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 65.0% less volume than the regional standard for practitioners inside CA. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $86.44 across this reporting matrix range.

Provider Avg Cost Per Claim

$6.17

State Avg Cost Per Claim

$8.18

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.

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. MATTHEW RUSSELL CALLAHAN M.D. provides transparency into local medical care patterns within San Diego, CA.

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 **Hospitalist** 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.