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

Individual provider Specialist · NPI 1437413978

Dr. Hisham Greiss, MD, PHD is a Specialist in Downers Grove, Illinois. Licensed in Florida. Registered with an NPI since 2012.

Licensed in
FL
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

8635 Lemont Rd
Downers Grove, IL 60516-4805
Phone: (630) 427-0300
Fax: (630) 427-0302
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Technologist (primary) Taxonomy 246QM0706X · Licence DI41357 (FL)
Specialist Taxonomy 174400000X · Licence DI41357 (FL)

Record details

NPI number1437413978
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJune 29, 2012
Last updated in NPPESJune 29, 2012

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