Geoffrey Chun, M.D.
NPI 1205811379 · Diagnostic Radiology Physician · Downers Grove, IL
Geoffrey Chun, M.D. is a Diagnostic Radiology Physician provider in Downers Grove, IL (NPI 1205811379).
Provider details
- NPI number
- 1205811379
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
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
20 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2005-12-13
- Last updated
- 2007-11-27
Frequently asked questions
- What is Geoffrey Chun's NPI number?
- Geoffrey Chun's National Provider Identifier (NPI) is 1205811379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geoffrey Chun's specialty?
- Geoffrey Chun is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Geoffrey Chun located?
- Geoffrey Chun's practice location on file with NPPES is 3815 Highland Ave, Downers Grove, IL 60515-1500.
- What is Geoffrey Chun's phone number?
- The practice phone number listed in the NPPES registry for Geoffrey Chun is (630) 275-5900.
- Is Geoffrey Chun's NPI active?
- Yes — Geoffrey Chun's NPI (1205811379) is active in the NPPES registry as of the last update on 2007-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.