Yun Hwa Chang, PA-C
NPI 1235937517 · Physician Assistant · Chicago, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yun Hwa Chang, PA-C is a Physician Assistant provider in Chicago, IL (NPI 1235937517).
Provider details
- NPI number
- 1235937517
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 085010880 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2025-03-04
- Last updated
- 2025-03-10
- Certified
- 2025-03-10
Frequently asked questions
- What is Yun Hwa Chang's NPI number?
- Yun Hwa Chang's National Provider Identifier (NPI) is 1235937517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yun Hwa Chang's specialty?
- Yun Hwa Chang is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Yun Hwa Chang located?
- Yun Hwa Chang's practice location on file with NPPES is 1969 W Ogden Ave, Chicago, IL 60612-3765.
- What is Yun Hwa Chang's phone number?
- The practice phone number listed in the NPPES registry for Yun Hwa Chang is (312) 864-6000.
- Does Yun Hwa Chang accept Medicare?
- Yun Hwa Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yun Hwa Chang's NPI active?
- Yes — Yun Hwa Chang's NPI (1235937517) is active in the NPPES registry as of the last update on 2025-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.