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

Dr. Roger William Geiss, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1821342973

Dr. Roger William Geiss, MD is an Anatomic Pathology & Clinical Pathology Physician in Peoria, Illinois. Practices as a sole proprietor. Licensed in Illinois.

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

1 Illini Dr Dept OF Pathology
Peoria, IL 61605-2576
Phone: (309) 671-8440
Fax: (309) 671-8434
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 036.054573 (IL)

Record details

NPI number1821342973
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 27, 2012
Last updated in NPPESOctober 27, 2012
Mailing address1 Illini Dr, Department Of Pathology, Peoria, IL 61605-2576

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