Harrison Sze Ming Chau, MD
Surgical Critical Care Physician · Stanford, CA
Harrison Sze Ming Chau, MD is a surgical critical care physician with a practice address in Stanford, California, and NPI 1356878458, issued on May 19, 2017. Check the license (California A161867, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Harrison Sze Ming Chau
- Credential
- MD
- Primary taxonomy
- Surgical Critical Care Physician 2086S0102X
- License number
- A161867 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- May 19, 2017
- Record last updated
- Oct 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20250903003656); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest surgical critical care physician records → All 160 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.
- Cooper Aakhus, MDEmergency Medicine Physician1194351007
- Oliver Aalami, M.D.Vascular Surgery Physician1225229024
- Alistair Aaronson, MDInternal Medicine Physician1457628760
- Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
- Fahim Abbasi, M.D.Internal Medicine Physician1841484037
- Mohamad Abbass, MDNeurological Surgery Physician1679492151
Verify Harrison Sze Ming Chau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A161867Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average surgical critical care physician in 2024
26 Medicare Part D claims for 19 beneficiaries, against an average of 64 among the 606 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Oxycodone Hcl15 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.
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
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.
Harrison Sze Ming Chau among 160 surgical critical care physician records in California
Harrison Sze Ming Chau, MD is one of 160 surgical critical care physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2017 · median 2009 among the 127 with a school on file
- Record last updated2025 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Critical Care Physician providers in California
There are 160 surgical critical care physician records in California.
All 160 in California → Every provider in Stanford → Surgical Critical Care Physician nationwide →
The 8 surgical critical care physician records with the nearest ZIP codes
- Carla Carvalho, MDStanford, CA 943051831331578
- Malerie Pratt, MDStanford, CA 943051700380110
- Gerald Wang, DOStanford, CA 943051639630874
- Paul Maggio, MDPalo Alto, CA 943041093816001
- Clifford Sheckter, MDPalo Alto, CA 943041306289681
- David Spain, M.D.Palo Alto, CA 943041427190412
- Kristan Staudenmayer, M.D.Palo Alto, CA 943041447345020
- Thomas Weiser, MDPalo Alto, CA 943041144201625
Common questions
What is Harrison Sze Ming Chau, MD's NPI number?
Harrison Sze Ming Chau, MD's National Provider Identifier (NPI) is 1356878458, issued on May 19, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Harrison Sze Ming Chau, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Harrison Sze Ming Chau, MD's license?
NPPES lists California license number A161867, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Harrison Sze Ming Chau, MD prescribe under Medicare Part D?
In 2024, Harrison Sze Ming Chau, MD had 26 Medicare Part D claims for 19 beneficiaries; the average among surgical critical care physician prescribers was 64. 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.