Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Sio Mui Tong

Individual provider Clinical Social Worker · NPI 1891813762

Sio Mui Tong is a Clinical Social Worker in San Mateo, California. Qualified in 2002, 24 years ago. Practices with County of San Mateo, a 316-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
24
Licensed in
CA
In the registry since
2007
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Practice location Address checks out

1950 Alameda De Las Pulgas
San Mateo, CA 94403-1222 Not confirmed with CMS for 16 years — call before visiting
Phone: (650) 573-3686
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCS26278 (CA)

Record details

NPI number1891813762
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMarch 27, 2007
Last updated in NPPESAugust 5, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice County Of San Mateo — 316 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at County of San Mateo

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 316 clinicians in the practice; 12 are shown here.

Other providers in San Mateo