Stephen Chang, DO
NPI 1548898760 · Diagnostic Radiology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Chang, DO is a Diagnostic Radiology Physician provider in Philadelphia, PA (NPI 1548898760).
Provider details
- NPI number
- 1548898760
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS024756 (PA)
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
6 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
- 2020-04-01
- Last updated
- 2025-12-24
- Certified
- 2025-12-24
Frequently asked questions
- What is Stephen Chang's NPI number?
- Stephen Chang's National Provider Identifier (NPI) is 1548898760, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Chang's specialty?
- Stephen Chang is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Chang located?
- Stephen Chang's practice location on file with NPPES is 3400 Spruce St, Philadelphia, PA 19104-4206.
- What is Stephen Chang's phone number?
- The practice phone number listed in the NPPES registry for Stephen Chang is (215) 662-3000.
- Does Stephen Chang accept Medicare?
- Stephen Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Chang's NPI active?
- Yes — Stephen Chang's NPI (1548898760) is active in the NPPES registry as of the last update on 2025-12-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.