Gregory Holdener, MD
NPI 1487607982 · Diagnostic Radiology Physician · Belleville, IL
Gregory Holdener, MD is a Diagnostic Radiology Physician provider in Belleville, IL (NPI 1487607982).
Provider details
- NPI number
- 1487607982
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036082418 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-18
- Last updated
- 2011-10-14
Frequently asked questions
- What is Gregory Holdener's NPI number?
- Gregory Holdener's National Provider Identifier (NPI) is 1487607982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Holdener's specialty?
- Gregory Holdener is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Holdener located?
- Gregory Holdener's practice location on file with NPPES is 301 West Lincoln Street, Belleville, IL 62220.
- What is Gregory Holdener's phone number?
- The practice phone number listed in the NPPES registry for Gregory Holdener is (618) 235-0955.
- Is Gregory Holdener's NPI active?
- Yes — Gregory Holdener's NPI (1487607982) is active in the NPPES registry as of the last update on 2011-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.