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

Claire Justin

Individual provider Hospitalist Physician · NPI 1154065407

Claire Justin is a Pediatric Medicine in Chicago, Illinois. Graduated from University of Southern California Keck School of Medicine in 2022, 4 years ago. Works from 2 locations. Licensed in California and Illinois.

Years since qualifying
4
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA, IL
In the registry since
2022
Specialties on file
2
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Practice location Address checks out

225 E Chicago Ave
Chicago, IL 60611-2991
Phone: (312) 227-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1425 S Main St, Walnut Creek, CA 94596-5318 — (925) 295-4000

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036.179308 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence A190823 (CA)

Record details

NPI number1154065407
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedApril 22, 2022
Last updated in NPPESJuly 15, 2026
Certification dateJuly 15, 2026
Mailing address225 E Chicago Ave, Chicago, IL 60611-2991

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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