Quick answers
- Where does Paul S. Chang see patients?
- Medicare's clinician data lists 3 practice locations, including Garden Grove, CA, Los Angeles, CA and Buena Park, CA. Call before your visit to confirm the address.
- What is Paul S. Chang's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Family Practice.
- Does Paul S. Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Paul S. Chang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Paul S. Chang?
- (714) 530-3740, as listed in official Medicare / NPI Registry data.
- What is Paul S. Chang's NPI number?
- 1487627261. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Paul S. Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 12665 Garden Grove Blvd, Suite 503Garden Grove, CA 92843 (714) 530‑3740
- 520 S Virgil Ave, Suite 507Los Angeles, CA 90020 (213) 480‑7770
- 5832 Beach Blvd, Unit 214Buena Park, CA 90621 (714) 523‑7575
Group practices
Medicare enrollment lists Paul S. Chang as a member of these groups (CMS data updated 2026-10-02).
- SMG Medical Practice Group PC6 clinicians in the group
- Friends Medical Group Inc3 clinicians in the group
Specialties
- Internal Medicineprimary
- Family Practicealso
Other internal medicine doctors in Garden Grove
Clinicians with the same Medicare primary specialty in Garden Grove, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Chicago College Of Medicine And Surgery |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487627261 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians