Roger Geiss, M.D.
NPI 1821342973 · Anatomic Pathology & Clinical Pathology Physician · Peoria, IL
Roger Geiss, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Peoria, IL (NPI 1821342973).
Provider details
- NPI number
- 1821342973
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036.054573 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-10-27
- Last updated
- 2012-10-27
Frequently asked questions
- What is Roger Geiss's NPI number?
- Roger Geiss's National Provider Identifier (NPI) is 1821342973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Geiss's specialty?
- Roger Geiss is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Geiss located?
- Roger Geiss's practice location on file with NPPES is 1 Illini Dr, Peoria, IL 61605-2576.
- What is Roger Geiss's phone number?
- The practice phone number listed in the NPPES registry for Roger Geiss is (309) 671-8440.
- Is Roger Geiss's NPI active?
- Yes — Roger Geiss's NPI (1821342973) is active in the NPPES registry as of the last update on 2012-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.