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

Joel S. Leifheit MD, PC

Organization Internal Medicine Physician · NPI 1841312980

Joel S. Leifheit MD, PC is an Internal Medicine Physician in Peru, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
Specialties on file
2
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

920 W St Ste 111
Peru, IL 61354-2763
Phone: (815) 223-4273
Fax: (815) 223-4328
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X (IL)
Pediatrics Physician Taxonomy 208000000X (IL)

Record details

NPI number1841312980
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Joel Leifheit — President · (815) 223-4273
NPI enumeratedApril 6, 2007
Last updated in NPPESJanuary 7, 2008
Mailing address920 West St, Suite 111, Peru, IL 61354-2763

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