Weijen Chang, M.D.
NPI 1235174103 · Pediatrics Physician · Springfield, MA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Weijen Chang, M.D. is a Pediatrics Physician provider in Springfield, MA (NPI 1235174103).
Provider details
- NPI number
- 1235174103
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 157873 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 200 W Arbor DrSan Diego, CA 92103-9000Phone: (858) 249-6748
Registry dates
- Enumerated
- 2006-06-17
- Last updated
- 2018-03-17
Frequently asked questions
- What is Weijen Chang's NPI number?
- Weijen Chang's National Provider Identifier (NPI) is 1235174103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Weijen Chang's specialty?
- Weijen Chang is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Weijen Chang located?
- Weijen Chang's practice location on file with NPPES is 759 Chestnut Street, Springfield, MA 01107-1619.
- What is Weijen Chang's phone number?
- The practice phone number listed in the NPPES registry for Weijen Chang is (413) 794-2398.
- Does Weijen Chang accept Medicare?
- Weijen Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Weijen Chang's NPI active?
- Yes — Weijen Chang's NPI (1235174103) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.