Hayson Chui, PA-C
Physician Assistant · Palo Alto, CA
Hayson Chui, PA-C is a physician assistant with a practice address in Palo Alto, California, and NPI 1124849229, issued on Oct 21, 2024. Check the license (California 66044, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hayson Chui
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 66044 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Palo Alto, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Oct 21, 2024
- Record last updated
- Oct 6, 2025
- Medicare enrollment
- Enrolled (PECOS I20250404000258); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Aderinsola Aderonmu, MSStudent in an Organized Health Care Education/Training Program1083301196
- Akuvi Claude Adossou, MDStudent in an Organized Health Care Education/Training Program1093394504
- Reena Agrawal, MDPhysical Medicine & Rehabilitation Physician1720257520
Verify Hayson Chui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 66044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2 hospitals and group practices
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
- North East Medical ServicesDaly City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Hayson Chui among 14,451 physician assistant records in California
Hayson Chui, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 87% of them.
- NPI issued2024 · 87% of these records are older, 7% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2024 · median 2018 among the 7,214 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
155 physician assistant records list a practice address in Palo Alto
They are 155 of the 7,617 NPPES records with a practice address in Palo Alto, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Palo Alto → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jaclyn Bilello, PA-CStanford, CA 943051285695445
- Deanna Cully, PA-CStanford, CA 943051912967779
- Deborah Espinoza, PA-CStanford, CA 943051558361733
- Lorin Ferguson, PA-CStanford, CA 943051912972340
- John Laurence, PA-CStanford, CA 943051568445070
- David Miller, PA-CStanford, CA 943051538140413
- Irina Penev, PA-CStanford, CA 943051851361646
- Pamela Piacente-Rhodes, PA-CStanford, CA 943051598735227
Common questions
What is Hayson Chui, PA-C's NPI number?
Hayson Chui, PA-C's National Provider Identifier (NPI) is 1124849229, issued on Oct 21, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Hayson Chui, PA-C located?
The NPPES record lists a practice address at 300 Pasteur Dr, Palo Alto, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Hayson Chui, PA-C's license?
NPPES lists California license number 66044, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.