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DR. ROGER WILLIAM GEISS M.D.
NPI 1821342973
Pathology - Anatomic Pathology & Clinical Pathology in Peoria, IL

Active since October 27, 2012
1 ILLINI DR, DEPARTMENT OF PATHOLOGY, PEORIA, IL 61605(309) 671-8440(309) 671-8434 Get Directions Write a Review

NPPES record last updated: October 27, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Roger William Geiss M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROGER WILLIAM GEISS M.D. (NPI 1821342973) is an individual anatomic pathology & clinical pathology provider in Peoria, Illinois, licensed in Illinois (036.054573) and active in the NPI registry since October 2012.

NPPES Registry Identity

NPI1821342973
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. ROGER WILLIAM GEISSCredential: M.D.
Location Address1 ILLINI DR, DEPARTMENT OF PATHOLOGYPeoria, IL 61605-2576
Mailing Address1 Illini Dr, Department Of PathologyPeoria, IL 61605-2576 · (309) 671-8440 · Fax (309) 671-8434
Phone(309) 671-8440
Fax(309) 671-8434
Sole ProprietorYes
Enumeration DateOctober 27, 2012
✔ NPI 1821342973 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in IL · 036.054573
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
1 ILLINI DR, Peoria, IL 61605
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EMILY SHI
Student in an Organized Health Care Education/Training Program
1 ILLINI DR
PEORIA, IL 61605
Peoria County (130) 967-1300
RICHARD HORNDASCH MD
Pediatrics (Adolescent Medicine)
1 ILLINI DR, MEDICAL SERVICE PLAN
PEORIA, IL 61605
Peoria County (309) 671-8503
ADEE ATHIYAMAN MD
Student in an Organized Health Care Education/Training Program
1 ILLINI DR
PEORIA, IL 61605
Peoria County (309) 624-9351
KRISTI UPADHYAYA
Student in an Organized Health Care Education/Training Program
1 ILLINI DR
PEORIA, IL 61605
Peoria County (309) 624-9351
LEONELA C BASTIDAS MD
Internal Medicine (Cardiovascular Disease)
1 ILLINI DR
PEORIA, IL 61605
Peoria County (309) 671-3000
OLIVIA GUNTIN
Student in an Organized Health Care Education/Training Program
1 ILLINI DR
PEORIA, IL 61605
Peoria County (309) 671-3000
NIDA ALAM
Student in an Organized Health Care Education/Training Program
1 ILLINI DR
PEORIA, IL 61605
Peoria County (309) 671-3000
SYLWIA PATRYCJA BALATA
Student in an Organized Health Care Education/Training Program
1 ILLINI DR
PEORIA, IL 61605
Peoria County (309) 671-3000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Roger Geiss's NPI number?

The NPI number for Roger Geiss is 1821342973. It was assigned to this individual provider in the NPPES registry on October 27, 2012.

Where is Roger Geiss located?

Roger Geiss practices at 1 Illini Dr Department Of Pathology, Peoria, IL 61605. The listed phone number is (309) 671-8440.

What is Roger Geiss's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

When was this NPI record last updated?

The NPPES record for Roger Geiss was last updated on October 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.