Sai Kai Chang
NPI 1669251880 · Physical Medicine & Rehabilitation Physician · South Pasadena, CA
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sai Kai Chang is a Physical Medicine & Rehabilitation Physician provider in South Pasadena, CA (NPI 1669251880).
Provider details
- NPI number
- 1669251880
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25960 (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
2 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
- 2023-09-26
- Last updated
- 2023-09-26
- Certified
- 2023-09-26
Frequently asked questions
- What is Sai Kai Chang's NPI number?
- Sai Kai Chang's National Provider Identifier (NPI) is 1669251880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sai Kai Chang's specialty?
- Sai Kai Chang is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Sai Kai Chang located?
- Sai Kai Chang's practice location on file with NPPES is 1904 Mill Road, South Pasadena, CA 91030.
- What is Sai Kai Chang's phone number?
- The practice phone number listed in the NPPES registry for Sai Kai Chang is (714) 831-0828.
- Does Sai Kai Chang accept Medicare?
- Sai Kai Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sai Kai Chang's NPI active?
- Yes — Sai Kai Chang's NPI (1669251880) is active in the NPPES registry as of the last update on 2023-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.