Sylvia C. Tso, DDS
Dentist · Redwood City, CA
Sylvia C. Tso, DDS is a dentist with a practice address in Redwood City, California, and NPI 1770682361, issued on Sep 21, 2006. Check the license (California 41319, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sylvia C. Tso
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License numbers
- 41319 CA
2794 NV
Self-reported in NPPES; status is on the state search - Practice location
- 52 Arch Street, Redwood City, CA 94062
- Phone
- (650) 369-3675
- Enumerated
- Sep 21, 2006
- Record last updated
- Aug 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (650) 369-4279
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Sylvia C. Tso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 41319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average dentist in 2024
46 Medicare Part D claims for 35 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Sylvia C. Tso among 14,729 dentist records in California
Sylvia C. Tso, DDS is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2019 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
50 dentist records list a practice address in Redwood City
They are 50 of the 2,795 NPPES records with a practice address in Redwood City, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Redwood City → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Siva Cherukuri, DDSRedwood City, CA 940621538384870
- Mayra Escobar, DDSRedwood City, CA 940621922185164
- Tara Esmeili, DDSRedwood City, CA 940621376505107
- Brian Fong, D.M.D.Redwood City, CA 940621720184294
- Virginia Freckelton, DDSRedwood City, CA 940621245239458
- Keith Gee, D.D.SRedwood City, CA 940621790908994
- Ihab Hanna, DDSRedwood City, CA 940621528156049
- Frederic Holloszy, DMDRedwood City, CA 940621801964838
Common questions
What is Sylvia C. Tso, DDS's NPI number?
Sylvia C. Tso, DDS's National Provider Identifier (NPI) is 1770682361, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sylvia C. Tso, DDS located?
The NPPES record lists a practice address at 52 Arch Street, Redwood City, CA, 94062. Phone: (650) 369-3675. Providers update this record themselves, so call before visiting.
How can I verify Sylvia C. Tso, DDS's license?
NPPES lists California license number 41319, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sylvia C. Tso, DDS prescribe under Medicare Part D?
In 2024, Sylvia C. Tso, DDS had 46 Medicare Part D claims for 35 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.