Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Jon Paul Klein, MD

Individual provider Internal Medicine Physician · NPI 1972265593

Jon Paul Klein, MD is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2021.

Licensed in
IL
In the registry since
2021
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

240 E Huron St # 1-200
Chicago, IL 60611-2909
Phone: (312) 503-7975
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 125086229 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125086229 (IL)

Record details

NPI number1972265593
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 11, 2021
Last updated in NPPESSeptember 9, 2026
Certification dateSeptember 9, 2026

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