Joseph Chang, MD
NPI 1659470748 · Urology Physician · Du Bois, PA
Joseph Chang, MD is a Urology Physician provider in Du Bois, PA (NPI 1659470748).
Provider details
- NPI number
- 1659470748
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 19472 (MS)
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
19 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
- 2006-09-22
- Last updated
- 2014-03-21
Frequently asked questions
- What is Joseph Chang's NPI number?
- Joseph Chang's National Provider Identifier (NPI) is 1659470748, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Chang's specialty?
- Joseph Chang is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Chang located?
- Joseph Chang's practice location on file with NPPES is 145 Hospital Ave, Du Bois, PA 15801-1462.
- What is Joseph Chang's phone number?
- The practice phone number listed in the NPPES registry for Joseph Chang is (814) 375-9200.
- Is Joseph Chang's NPI active?
- Yes — Joseph Chang's NPI (1659470748) is active in the NPPES registry as of the last update on 2014-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.