Physician

Abundio Castillo, NP

Nurse practitioner Bakersfield-Delano, CA West Side Health Care District

According to 2025 Medicare claims, Abundio Castillo, NP (NPI: 1053888743) practices nurse practitioner in the Bakersfield-Delano, CA market, with the plurality of this provider's patient population coming from Kern, CA. This provider's primary affiliated billing organization is West Side Health Care District (NPI: 1992142277; TIN: ).

Castillo's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 81 traditional Medicare patients, billed 163 HCPCS/CPT codes, and received $2,248 in Medicare payments. Part D data shows 1,939 prescription claims across 265 beneficiaries totaling $300,847 in drug costs, and DME data shows 107 claims. Open Payments data shows 6 records totaling $103.

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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	98	201	$8,474
2020	186	340	$9,120
2021	157	328	$8,309
2022	96	241	$3,182
2023	81	163	$2,248

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	207	432	$11,458
2020	220	682	$28,223
2021	246	861	$50,728
2022	289	1,463	$133,282
2023	265	1,939	$300,847

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	12	$1,734
2022	12	40	$5,955
2023	23	107	$17,347

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	23	112	1,244	$19,262
Durable medical equipment	20	107	181	$17,347

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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