Physician

Aaron A Feist

Emergency medicine Missoula, MT Clark Fork Emergency Physicians Pllc

According to 2025 Medicare claims, Aaron A. Feist (NPI: 1174793426) practices emergency medicine in the Missoula, MT market, with the plurality of this provider's patient population coming from Missoula, MT. This provider's primary affiliated billing organization is Clark Fork Emergency Physicians Pllc (NPI: 1538384987; TIN: ).

Feist's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 158 traditional Medicare patients, billed 236 HCPCS/CPT codes, and received $21,517 in Medicare payments. Part D data shows 95 prescription claims across 65 beneficiaries totaling $1,468 in drug costs, and 2015 DME data shows Suppressed by CMS claims. No Open Payments records.

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Download physician data with all billing codes (2014-2023) - $9 per 100 physicians.

10-Year Trend of Part B billing

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

Year	Patients	Services	Medicare Payment
2014	266	428	$32,833
2015	287	461	$35,999
2016	283	428	$34,620
2017	259	391	$31,585
2018	251	375	$32,524
2019	214	325	$29,279
2020	181	245	$21,901
2021	207	347	$32,282
2022	186	257	$24,186
2023	158	236	$21,517

10-Year Trend of Part D records

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

Year	Patients	Claims	Drug Cost
2014	73	104	$1,909
2015	68	119	$1,683
2016	63	87	$987
2017	74	101	$903
2018	63	99	$1,288
2019	55	83	$771
2020	45	63	$700
2021	81	122	$1,654
2022	67	99	$2,056
2023	65	95	$1,468

10-Year Trend of DME records

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

Year	Patients	Claims	Medicare Payment
2014	11	12	$1,294
2015	11	12	$1,324
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	Not reported for this year	Not reported for this year
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.

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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