Michelle Lai Wong, PA-C
Physician Assistant · Castro Valley, CA
Michelle Lai Wong, PA-C is a physician assistant with a practice address in Castro Valley, California, and NPI 1932201977, issued on Sep 1, 2006. Check the license (California PA15658, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michelle Lai Wong
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA15658 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20642 John Dr, Castro Valley, CA 94546
- Phone
- (510) 785-5000
- Enumerated
- Sep 1, 2006
- Record last updated
- Aug 2, 2023
- Medicare enrollment
- Enrolled (PECOS I20140306000191); 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 20642 John Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michelle Lai Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA15658Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average physician assistant in 2024
676 Medicare Part D claims for 429 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa44 claims
- Amoxicillin-Clavulanate Potass38 claims
- Paxlovid36 claims
- Cephalexin35 claims
- Doxycycline Hyclate35 claims
- Prednisone30 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.
Industry payments in 2024: $27.25
1 payment: food and beverage; the largest payer was Janssen Biotech, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Healthcare AllianceMenlo Park, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michelle Lai Wong among 14,451 physician assistant records in California
Michelle Lai Wong, 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2000 · median 2018 among the 7,214 with a school on file
- Record last updated2023 · 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).
28 physician assistant records list a practice address in Castro Valley
They are 28 of the 999 NPPES records with a practice address in Castro Valley, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Castro Valley → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Eric Bellfort, PACastro Valley, CA 945461073504403
- Cherie Clark, PA-CCastro Valley, CA 945461780992560
- Barry Clements, PA-CCastro Valley, CA 945461952392177
- Melissa Goralka, PACastro Valley, CA 945461891878740
- Jasmine Halloran, PACCastro Valley, CA 945461124090162
- Patti Hee, PA-CCastro Valley, CA 945461851439145
- Isaac Ibrahimi, PA-CCastro Valley, CA 945461588735849
- Shalini Jeyakumar, MPA, RPA-CCastro Valley, CA 945461801119995
Common questions
What is Michelle Lai Wong, PA-C's NPI number?
Michelle Lai Wong, PA-C's National Provider Identifier (NPI) is 1932201977, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Lai Wong, PA-C located?
The NPPES record lists a practice address at 20642 John Dr, Castro Valley, CA, 94546. Phone: (510) 785-5000. Providers update this record themselves, so call before visiting.
How can I verify Michelle Lai Wong, PA-C's license?
NPPES lists California license number PA15658, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Michelle Lai Wong, PA-C prescribe under Medicare Part D?
In 2024, Michelle Lai Wong, PA-C had 676 Medicare Part D claims for 429 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.