Wing Kay Pui
Physician Assistant · Palo Alto, CA
Wing Kay Pui is a physician assistant with a practice address in Palo Alto, California, and NPI 1881883726, issued on Oct 16, 2007. Check the license (California PA19361, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Wing Kay Pui
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA19361 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Palo Alto, CA 94304
- Phone
- (650) 723-4000
- Enumerated
- Oct 16, 2007
- Record last updated
- Mar 31, 2026
- Medicare enrollment
- Enrolled (PECOS I20100224000829); accepts Medicare assignment
- 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.
- Elias Aboujaoude, MDPsychiatry Physician1649209768
- Connor Adams, PSYDClinical Psychologist1467081216
- Terence Ahern, MDEmergency Medicine Physician1104195916
- Teddy Akiki, MDPsychiatry Physician1942867718
- Amy Alexander, M.D.Psychiatry Physician1740435486
- Monica Allen, PSYDClinical Psychologist1952787749
Verify Wing Kay Pui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average physician assistant in 2024
67 Medicare Part D claims for 14 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wing Kay Pui among 14,451 physician assistant records in California
Wing Kay Pui 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 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 78% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2007 · median 2018 among the 7,214 with a school on file
- Record last updated2026 · 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
- Tracy Berggren, PA-CPalo Alto, CA 943041407018468
- Camille Bloom, PA-CPalo Alto, CA 943041558670588
- Emily Dong, PA-CPalo Alto, CA 943041376853622
- Rosanna Duester, PA-CPalo Alto, CA 943041225280159
- Erin Frawley, PAPalo Alto, CA 943041942452149
- Jacqueline Julty, PA-CPalo Alto, CA 943041184759649
- Clair Kuriakose, PAPalo Alto, CA 943041710141718
- Lynn Maestretti, PA-CPalo Alto, CA 943041710150024
Common questions
What is Wing Kay Pui's NPI number?
Wing Kay Pui's National Provider Identifier (NPI) is 1881883726, issued on Oct 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Wing Kay Pui located?
The NPPES record lists a practice address at 300 Pasteur Dr, Palo Alto, CA, 94304. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Wing Kay Pui's license?
NPPES lists California license number PA19361, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Wing Kay Pui prescribe under Medicare Part D?
In 2024, Wing Kay Pui had 67 Medicare Part D claims for 14 beneficiaries; the average among physician assistant prescribers was 830. 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.