Identity and compliance
98
out of 100
Current public credentials or entity standing. Technology never changes this score.
Evidence coverage: 100%
Observed: Current public credential, Credential tenure.
Nancy Kwon Hsieh, DDS, INC
dental practice in San Francisco, CA
Zensight CertifiedCMS NPI registration verified #1609088624
Nancy Kwon Hsieh, DDS, INC is a registered dental practice in San Francisco, in the national provider registry since 2007.
Evidence scores
Separate dimensions prevent technology choices from being mistaken for trust.
Operational activity
Unknown
Fresh operating and activity observations. Missing evidence stays unknown.
Evidence coverage: 0%
No governed observation is available yet.
Digital readiness
Unknown
Observable website capabilities and freshness, not a judgment of legitimacy.
Evidence coverage: 0%
No governed observation is available yet.
Scores are computed from observed evidence. Payment cannot change a score, and unknown is not treated as failure.
Evidence timeline
Every dated fact on record for Nancy Kwon Hsieh, DDS, INC, with the source it came from.
Last checked 5 days ago
NPI registration status checked
Authority verifiedCMS reported the NPI registration as "clear" on this date.
NPI registration first issued
Authority verifiedCMS NPI registration 1609088624 (1223G0001X).
Facts are shown as their source reported them on the date shown. A missing event means Zensight has no evidence for it, not that it did not happen.
Verified with CMS
This NPI registration was confirmed current with CMS National Plan and Provider Enumeration System on 2026-09-10, and is re-checked on its monitoring schedule.
- Address
- 3400 CALIFORNIA ST SUITE 302, San Francisco, CA 94118
- Phone
- (415) 567-1532
- NPI registration number
- 1609088624 (1223G0001X)
- Years on public record
- 19
- Zensight rank
- #48 of dentists in San Francisco
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<a href="https://zensight.ai/biz/san-francisco-dentists-nancy-kwon-hsieh-dds-inc"><img src="https://zensight.ai/badge/san-francisco-dentists-nancy-kwon-hsieh-dds-inc.svg?variant=certified" width="320" height="104" alt="Zensight Certified: Nancy Kwon Hsieh, DDS, INC"></a>
NPI registration status last checked with CMS National Plan and Provider Enumeration System on 2026-09-10. Confirm current status with CMS before hiring.