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

Gregorio Chejfec

Individual provider Clinical Pathology/Laboratory Medicine Physician · NPI 1659383263

Gregorio Chejfec is a Clinical Pathology/Laboratory Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006

Practice location Address checks out

1740 W Taylor St
Chicago, IL 60612-7232
Phone: (866) 600-2273
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Pathology/Laboratory Medicine Physician (primary) Taxonomy 207ZP0105X (IL)

Record details

NPI number1659383263
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedAugust 12, 2006
Last updated in NPPESJuly 8, 2007
Mailing address809 S Marshfield Ave, 9th Floor (M/C 732), Chicago, IL 60612-4305

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