Physician

Aaron Gurfinchel, MD

Nephrology Chicago-Naperville-Schaumburg, IL Nephrology Associates Of Northern Illinois Ltd

According to 2025 Medicare claims, Aaron Gurfinchel, MD (NPI: 1639392939) practices nephrology in the Chicago-Naperville-Schaumburg, IL market, with the plurality of this provider's patient population coming from Will, IL. This provider's primary affiliated billing organization is Nephrology Associates Of Northern Illinois Ltd (NPI: 1124069182; TIN: ).

Gurfinchel's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 551 traditional Medicare patients, billed 2,014 HCPCS/CPT codes, and received $207,892 in Medicare payments. Part D data shows 796 prescription claims across 179 beneficiaries totaling $71,877 in drug costs, and 2021 DME data shows 0 claims. Open Payments data shows 3 records totaling $44.

Download physician data Market Trend charts Top 5 tables

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	935	3,967	$374,295
2015	804	3,260	$312,439
2016	787	3,110	$309,758
2017	765	2,969	$299,041
2018	745	2,761	$288,485
2019	668	2,600	$235,364
2020	551	1,997	$186,534
2021	575	2,207	$198,472
2022	519	2,054	$176,468
2023	551	2,014	$207,892

10-Year Trend of Part D records

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

Year	Patients	Claims	Drug Cost
2014	132	918	$83,021
2015	150	963	$112,100
2016	177	1,226	$260,629
2017	182	1,138	$198,334
2018	168	1,106	$73,192
2019	170	930	$54,130
2020	164	785	$34,486
2021	153	649	$37,356
2022	155	693	$45,072
2023	179	796	$71,877

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	0	$0
2018	Not reported for this year	0	$0
2019	Not reported for this year	0	$0
2020	Not reported for this year	0	$0
2021	Not reported for this year	0	$0
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

Download physician data with all billing codes (2014-2023)

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

$9 per 100 physicians

Download physician data