Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Aaron Gurfinchel, MD

Individual provider Internal Medicine Physician · NPI 1639392939

Dr. Aaron Gurfinchel, MD is a Nephrology in Joliet, Illinois. Qualified in 1989, 37 years ago. Practices with Nephrology Associates of Northern Illinois Ltd, a 117-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
37
Licensed in
IL
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3100 Theodore St Ste 201
Joliet, IL 60435
Phone: (815) 744-5550
Fax: (815) 744-5428
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1890 Silver Cross Blvd Ste 415, New Lenox, IL 60451-9575 — (815) 717-8750

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 036103677 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036-103677 (IL)

Record details

NPI number1639392939
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 11, 2007
Last updated in NPPESApril 28, 2025
Certification dateApril 28, 2025
Mailing address120 W 22nd St, Oak Brook, IL 60523-1557

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Nephrology Associates Of Northern Illinois Ltd — 117 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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