Physician

Alexandra Joseph Chastant, MD

Allergy/immunology Lafayette, LA Allergy Asthma And Immunology Center Of Southwest Louisiana

According to 2025 Medicare claims, Alexandra Joseph Chastant, MD (NPI: 1134623903) practices allergy/immunology in the Lafayette, LA market, with the plurality of this provider's patient population coming from Lafayette, LA. This provider's primary affiliated billing organization is Allergy Asthma And Immunology Center Of Southwest Louisiana (NPI: 1437208840; TIN: ).

Chastant's data goes back to 2012 and runs through 2026. Part D data shows 88 prescription claims across 18 beneficiaries totaling $6,268 in drug costs. Open Payments data shows 10 records totaling $406.

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10-Year Trend of Part B billing

Medicare payment trend, with patients and services in the table.

No connected records

10-Year Trend of Part D records

Prescription claims trend, with patients and drug cost in the table.

Year	Patients	Claims	Drug Cost
2014	Not reported for this year	Not reported for this year	Not reported for this year
2015	Not reported for this year	Not reported for this year	Not reported for this year
2016	Not reported for this year	Not reported for this year	Not reported for this year
2017	Not reported for this year	Not reported for this year	Not reported for this year
2018	14	32	$5,660
2019	16	32	$6,344
2020	12	45	$8,526
2021	12	90	$18,100
2022	17	89	$13,235
2023	18	88	$6,268

10-Year Trend of DME records

DME claim records trend, with patients and payment in the table.

No connected records

Top 5 Part B billing codes in 2023

By N of patients.

No connected Part B code-level records for 2023.

Top 5 Part D drugs in 2023

By N of patients.

No connected Part D drug-level records for 2023.

Top 5 DME in 2023

By N of patients.

No connected DME records for 2023.

Physician Data Export

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Part B billing, Part D prescribing, DME records, yearly summaries, source JSON, and source notes.

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