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

Dr. Jacek Grela, MD

Individual provider Internal Medicine Physician · NPI 1700850625

Dr. Jacek Grela, MD is an Internal Medicine in Lemont, Illinois. Qualified in 1992, 34 years ago. Accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
34
Licensed in
IL
In the registry since
2006
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

1011 State St Ste 140
Lemont, IL 60439-4768
Phone: (630) 754-0141
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036098225 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036-098225 (IL)

Record details

NPI number1700850625
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 15, 2006
Last updated in NPPESJune 4, 2009
Mailing address10s570 Glenn Dr, Burr Ridge, IL 60527-6822

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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