Dr. Aaron Gurfinchel, MD

Dr. Gurfinchel practices at Renal Center New Lenox in Joliet, Illinois.

Dr. Gurfinchel's NPI, 1639392939, was assigned on April 11, 2007. Dr. Gurfinchel graduated from National University of San Marcos in 1989. Dr. Gurfinchel holds Illinois license 036103677.

Dr. Gurfinchel's primary practice is Renal Center New Lenox, at 3100 Theodore St, Joliet, IL 60435 in Will County. The practice phone is (815) 320-3049.

Dr. Gurfinchel's primary practice is Renal Center New Lenox in Joliet, Illinois. Dr. Gurfinchel is also affiliated with Saint Joseph Medical Center. The medical group on file is Nephrology Associates of Northern Illinois and Indiana (NANI). Dmand AI also links Dr. Gurfinchel to 4 more hospitals, 5 dialysis centers, 2 group practices and clinics and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gurfinchel practices, 12 sites in all. Vendor and product names are available with a free account.

Nephrology is Dr. Gurfinchel's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Gurfinchel is board certified in internal medicine by the National Board of Physicians and Surgeons. Dr. Gurfinchel is licensed in Illinois.

Dmand AI lists acute kidney failure, chronic diabetes, chronic hypertension, chronic kidney disease, congestive heart failure, fluid and electrolyte imbalances, hypercalcemia and kidney cysts among the conditions Dr. Gurfinchel treats.

CMS data shows 1,838 Medicare services from Dr. Gurfinchel across 10 procedure codes in 2024, for 498 Medicare patients. Medicare paid $191,900 for them.

CMS counts 498 Medicare patients who saw Dr. Gurfinchel in 2024. The largest group is 75 to 84, with 221 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 18% are also on Medicaid. Their average risk score is 3.81, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Gurfinchel's median patient age at 73, with 46% women.

In 2024, Dr. Gurfinchel wrote 907 Medicare Part D claims for 193 patients. 92% of them were for generic drugs. CMS names the drug for 667 of them, across 16 drugs with 11 or more claims each, at $33,459 in total drug cost. In 2023, CMS named 619 claims across 18 drugs.

Dr. Gurfinchel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 12 general payments to Dr. Gurfinchel from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 87% of the total. Keryx Biopharmaceuticals, Inc. paid the most, $58.

Dr. Gurfinchel graduated from National University of San Marcos in 1989.

Dr. Gurfinchel is in network with 22 carriers, including Aetna, HCSC and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.