Siok-Hian Tay-Kelley, NP
NPI 1568766442 · Adult Health Nurse Practitioner · Stanford, CA
Siok-Hian Tay-Kelley, NP is a Adult Health Nurse Practitioner provider in Stanford, CA (NPI 1568766442).
Provider details
- NPI number
- 1568766442
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 19493 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$595 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-01-06
- Last updated
- 2016-09-16
Frequently asked questions
- What is Siok-Hian Tay-Kelley's NPI number?
- Siok-Hian Tay-Kelley's National Provider Identifier (NPI) is 1568766442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siok-Hian Tay-Kelley's specialty?
- Siok-Hian Tay-Kelley is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Siok-Hian Tay-Kelley located?
- Siok-Hian Tay-Kelley's practice location on file with NPPES is 875 Blake Wilbur Drive, Stanford, CA 94305-2205.
- What is Siok-Hian Tay-Kelley's phone number?
- The practice phone number listed in the NPPES registry for Siok-Hian Tay-Kelley is (650) 498-6000.
- Is Siok-Hian Tay-Kelley's NPI active?
- Yes — Siok-Hian Tay-Kelley's NPI (1568766442) is active in the NPPES registry as of the last update on 2016-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.