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

James P. Lash

Individual provider Internal Medicine Physician · NPI 1548365646

James P. Lash is a Nephrology in Chicago, Illinois. Graduated from University of Chicago, Pritzker School of Medicine in 1981, 45 years ago. Practices with The Board of Trustees of the University of Illinois, a 1,142-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
45
Trained at
University of Chicago, Pritzker School of Medicine
Licensed in
IL
In the registry since
2006
Specialties on file
2
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Practice location Address checks out

1740 W Taylor St
Chicago, IL 60612-7232
Phone: (866) 600-2273
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 036065527 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036-065527 (IL)

Record details

NPI number1548365646
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 13, 2006
Last updated in NPPESApril 26, 2021
Certification dateApril 26, 2021
Mailing address820 S Wood St, 416-W Csn, Mc 793, Chicago, IL 60612-4325

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Medical schoolUNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduated 1981 (45 years in practice)
Group practice The Board Of Trustees Of The University Of Illinois — 1142 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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