Eric Chang, MD
NPI 1831984780 · Diagnostic Radiology Physician · Chicago, IL
Eric Chang, MD is a Diagnostic Radiology Physician provider in Chicago, IL (NPI 1831984780).
Provider details
- NPI number
- 1831984780
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 17953 (CA)
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
1 yr 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
- 2025-04-11
- Last updated
- 2026-06-04
- Certified
- 2026-06-04
Frequently asked questions
- What is Eric Chang's NPI number?
- Eric Chang's National Provider Identifier (NPI) is 1831984780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Chang's specialty?
- Eric Chang is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Chang located?
- Eric Chang's practice location on file with NPPES is 5841 S Maryland Ave. Mc 2026, Chicago, IL 60637-1473.
- What is Eric Chang's phone number?
- The practice phone number listed in the NPPES registry for Eric Chang is (773) 702-9662.
- Is Eric Chang's NPI active?
- Yes — Eric Chang's NPI (1831984780) is active in the NPPES registry as of the last update on 2026-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.