Physician

Alexander Vincent Tonthat, MD

Gastroenterology Chico, CA Orohealth Corporation A Non Profit Healthcare System

According to 2025 Medicare claims, Alexander Vincent Tonthat, MD (NPI: 1124522784) practices gastroenterology in the Chico, CA market, with the plurality of this provider's patient population coming from Butte, CA. This provider's primary affiliated billing organization is Orohealth Corporation A Non Profit Healthcare System (NPI: 1013933167; TIN: ).

Tonthat's data goes back to 2012 and runs through 2026. Part D data shows 59 prescription claims across 23 beneficiaries totaling $27,022 in drug costs, and DME data shows 16 claims. Open Payments data shows 7 records totaling $140.

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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	Not reported for this year	Not reported for this year	Not reported for this year
2019	Not reported for this year	25	$2,201
2020	32	181	$27,580
2021	32	138	$6,329
2022	22	50	$18,134
2023	23	59	$27,022

10-Year Trend of DME records

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

Year	Patients	Claims	Medicare Payment
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	Not reported for this year	Not reported for this year	Not reported for this year
2019	Not reported for this year	Not reported for this year	Not reported for this year
2020	Not reported for this year	Not reported for this year	Not reported for this year
2021	Not reported for this year	Not reported for this year	Not reported for this year
2022	Not reported for this year	16	$2,190
2023	Not reported for this year	Not reported for this year	Not reported for this year

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.

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

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