Eric Chau
Physician Assistant · San Jose, CA
Eric Chau is a physician assistant with a practice address in San Jose, California, and NPI 1568944668, issued on Sep 5, 2018. Check the license (California PA63937, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eric Chau
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA63937 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Jose Figueres Ave Ste 480, San Jose, CA 95116
- Phone
- (408) 684-4104
- Enumerated
- Sep 5, 2018
- Record last updated
- Jan 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20240523000967); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 200 Jose Figueres Ave Ste 480
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Khurram Abbass, MDRheumatology Physician1154455178
- Amrinder DhanoyaPhysician Assistant1255040176
- Priscilla HaiPhysician Assistant1922892876
- Ryan WongPhysician Assistant1417888215
Verify Eric Chau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA63937Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average physician assistant in 2024
400 Medicare Part D claims for 169 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Alendronate Sodium54 claims
- Methotrexate53 claims
- Hydroxychloroquine Sulfate45 claims
- Prednisone32 claims
- Leflunomide31 claims
- Allopurinol29 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: $1,085.12
45 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Khurram Abbass MD IncSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric Chau among 14,451 physician assistant records in California
Eric Chau 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 2018, is newer than 52% of them.
- NPI issued2018 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2023 · 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).
221 physician assistant records list a practice address in San Jose
They are 221 of the 20,925 NPPES records with a practice address in San Jose, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Jose → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Nancy Bahnsen, P.A-CSan Jose, CA 951161730134271
- David Carter, P.A-CSan Jose, CA 951161396774600
- Cynthia Flores, P.A-CSan Jose, CA 951161578591673
- Mabel Gomez, P.A.-CSan Jose, CA 951161952559031
- Adriana Gutierrez, P.A.San Jose, CA 951161700875952
- Cama Lock, P.A-CSan Jose, CA 951161558391128
- Lorena Nogosek, P.A-CSan Jose, CA 951161578518791
- Elvira Parks, P.A-CSan Jose, CA 951161386699437
Common questions
What is Eric Chau's NPI number?
Eric Chau's National Provider Identifier (NPI) is 1568944668, issued on Sep 5, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Eric Chau located?
The NPPES record lists a practice address at 200 Jose Figueres Ave Ste 480, San Jose, CA, 95116. Phone: (408) 684-4104. Providers update this record themselves, so call before visiting.
How can I verify Eric Chau's license?
NPPES lists California license number PA63937, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Eric Chau prescribe under Medicare Part D?
In 2024, Eric Chau had 400 Medicare Part D claims for 169 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.