Andrew Chang, MD MS
NPI 1457970501 · Diagnostic Radiology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Chang, MD MS is a Diagnostic Radiology Physician provider in San Francisco, CA (NPI 1457970501).
Provider details
- NPI number
- 1457970501
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD MS
- Sex
- Male
- Sole proprietor
- No
- License
- A189771 (CA)
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
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)
- 505 Parnassus Ave Fl 3San Francisco, CA 94143-2204Phone: (415) 353-9056
Registry dates
- Enumerated
- 2020-04-09
- Last updated
- 2025-10-08
- Certified
- 2025-10-08
Frequently asked questions
- What is Andrew Chang's NPI number?
- Andrew Chang's National Provider Identifier (NPI) is 1457970501, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Chang's specialty?
- Andrew Chang is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Chang located?
- Andrew Chang's practice location on file with NPPES is 2351 Clay St Ste 380, San Francisco, CA 94115-1931.
- What is Andrew Chang's phone number?
- The practice phone number listed in the NPPES registry for Andrew Chang is (415) 600-6000.
- Does Andrew Chang accept Medicare?
- Andrew Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Chang's NPI active?
- Yes — Andrew Chang's NPI (1457970501) is active in the NPPES registry as of the last update on 2025-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.