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

Ronald Slonek, MD

Individual provider Internal Medicine Physician · NPI 1003884610

Ronald Slonek, MD is an Internal Medicine Physician in Bloomingdale, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
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

220 Springfield Dr Ste 210
Bloomingdale, IL 60108-2215
Phone: (630) 858-3200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036067364 (IL)

Record details

NPI number1003884610
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 9, 2006
Last updated in NPPESAugust 31, 2023
Certification dateAugust 31, 2023
Mailing addressPo Box 713260, Chicago, IL 60677-1260

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