Sau Thong
NPI 1629603972 · Family Medicine Physician · Ontario, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sau Thong is a Family Medicine Physician provider in Ontario, CA (NPI 1629603972).
Provider details
- NPI number
- 1629603972
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 95013862 (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
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
- 2020-03-06
- Last updated
- 2020-03-06
- Certified
- 2020-03-06
Frequently asked questions
- What is Sau Thong's NPI number?
- Sau Thong's National Provider Identifier (NPI) is 1629603972, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sau Thong's specialty?
- Sau Thong is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sau Thong located?
- Sau Thong's practice location on file with NPPES is 1109 W Francis St Apt D, Ontario, CA 91762-6188.
- What is Sau Thong's phone number?
- The practice phone number listed in the NPPES registry for Sau Thong is (909) 896-9292.
- Does Sau Thong accept Medicare?
- Sau Thong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sau Thong's NPI active?
- Yes — Sau Thong's NPI (1629603972) is active in the NPPES registry as of the last update on 2020-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.