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

Dr. Javier Guevara Jr., MD

Individual provider Family Medicine Physician · NPI 1346504867

Dr. Javier Guevara Jr., MD is a Family Practice in Chicago, Illinois. Qualified in 2012, 14 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
14
Licensed in
IL
In the registry since
2012
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

211 E Ontario St Ste 200
Chicago, IL 60611-3284
Phone: (312) 694-7000
Fax: (312) 926-6274
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3924 W Fullerton Ave, Chicago, IL 60647-2228 — (773) 276-2229

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036-136863 (IL)

Record details

NPI number1346504867
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 29, 2012
Last updated in NPPESJanuary 7, 2021
Certification dateJanuary 7, 2021

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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