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

William J Lopez, MD

Individual provider Preventive Medicine/Occupational Environmental Medicine Physician · NPI 1811014228

William J Lopez, MD is a Preventive Medicine/Occupational Environmental Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
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

900 E 103rd St
Chicago, IL 60628-3033
Phone: (615) 778-4066
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Preventive Medicine/Occupational Environmental Medicine Physician (primary) Taxonomy 2083P0500X · Licence 036085602 (IL)

Record details

NPI number1811014228
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2007
Last updated in NPPESMay 8, 2009

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