Physician

Alyssa C Milliron, MD

Internal medicine Chico, CA Ampla Health

According to 2025 Medicare claims, Alyssa C. Milliron, MD (NPI: 1033640099) practices internal medicine 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 Ampla Health (NPI: 1316963606; TIN: ).

Milliron's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 61 traditional Medicare patients, billed 69 HCPCS/CPT codes, and received $262 in Medicare payments. Part D data shows 3,797 prescription claims across 191 beneficiaries totaling $854,401 in drug costs, and DME data shows 227 claims. Open Payments data shows 78 records totaling $1,453.

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10-Year Trend of Part B billing

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

Year	Patients	Services	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	22	27	$341
2022	33	38	$234
2023	61	69	$262

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	26	76	$5,110
2019	107	687	$83,889
2020	105	530	$64,101
2021	186	2,588	$421,972
2022	201	3,676	$691,223
2023	191	3,797	$854,401

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	13	$10,394
2020	Not reported for this year	26	$3,823
2021	31	127	$13,215
2022	39	217	$29,876
2023	28	227	$35,051

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.

DME	Patients	Claims	Services	Medicare Payment
All DME supplier activity	28	228	2,318	$35,234
Durable medical equipment	28	227	332	$35,051
DME drugs	Not reported for this year	17	1,986	$183
Prosthetics, orthotics, and supplies	0	0	0	$0

DME category summary is shown when item-level DME rows are not connected.

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

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