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

Individual provider Internal Medicine Physician · NPI 1952330243

Christopher J Konstantelos, MD is an Internal Medicine Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

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

5212 N Clark St
Chicago, IL 60640
Phone: (773) 500-0246
Fax: (773) 825-8299
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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 036109629 (IL)

Record details

NPI number1952330243
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 1, 2006
Last updated in NPPESDecember 23, 2024
Mailing address5212 N Clark St, Chicago, IL 60640

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