James Chang
NPI 1316471204 · Pediatric Cardiology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Chang is a Pediatric Cardiology Physician provider in San Antonio, TX (NPI 1316471204).
Provider details
- NPI number
- 1316471204
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$42 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-17
- Last updated
- 2024-06-11
- Certified
- 2024-06-11
Frequently asked questions
- What is James Chang's NPI number?
- James Chang's National Provider Identifier (NPI) is 1316471204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Chang's specialty?
- James Chang is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is James Chang located?
- James Chang's practice location on file with NPPES is 4499 Medical Dr Ste 289, San Antonio, TX 78229-3712.
- What is James Chang's phone number?
- The practice phone number listed in the NPPES registry for James Chang is (210) 614-3264.
- Does James Chang accept Medicare?
- James Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Chang's NPI active?
- Yes — James Chang's NPI (1316471204) is active in the NPPES registry as of the last update on 2024-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.