Roger Giller, MD
NPI 1790860427 · Pediatric Hematology & Oncology Physician · Aurora, CO
Roger Giller, MD is a Pediatric Hematology & Oncology Physician provider in Aurora, CO (NPI 1790860427).
Provider details
- NPI number
- 1790860427
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 23010 (CO)
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
19 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
- 2006-10-25
- Last updated
- 2013-04-04
Frequently asked questions
- What is Roger Giller's NPI number?
- Roger Giller's National Provider Identifier (NPI) is 1790860427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Giller's specialty?
- Roger Giller is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Giller located?
- Roger Giller's practice location on file with NPPES is 13123 E 16th Ave, Aurora, CO 80045-7106.
- What is Roger Giller's phone number?
- The practice phone number listed in the NPPES registry for Roger Giller is (720) 777-1234.
- Is Roger Giller's NPI active?
- Yes — Roger Giller's NPI (1790860427) is active in the NPPES registry as of the last update on 2013-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.