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

Nathan Patrick Horvat, MD

Individual provider Internal Medicine Physician · NPI 1407558877

Nathan Patrick Horvat, MD is an Internal Medicine Physician in Chicago, Illinois. Works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2023
Specialties on file
4
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

600 S Paulina St Ste 403
Chicago, IL 60612-3806
Phone: (312) 942-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2160 S 1st Ave, Maywood, IL 60153-3328 — (888) 584-7888

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 036.179732 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125.082224 (IL)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 036.179732 (IL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1407558877
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2023
Last updated in NPPESMay 7, 2026
Certification dateMay 7, 2026

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