Aileen Shieu, MD
Surgery of the Hand (Surgery) Physician · San Mateo, CA
Aileen Shieu, MD is a surgery of the hand (surgery) physician with a practice address in San Mateo, California, and NPI 1154515385, issued on Aug 30, 2007. Check the license (California A100363, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Aileen Shieu
- Credential
- MD
- Primary taxonomy
- Surgery of the Hand (Surgery) Physician 2086S0105X
- License number
- A100363 CA
Self-reported in NPPES; status is on the state search - Practice location
- 222 W 39TH Ave, San Mateo, CA 94403
- Phone
- (650) 573-2222
- Enumerated
- Aug 30, 2007
- Record last updated
- May 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150331000362); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2001
- Entity
- Type 1 · individual
8 nearest surgery of the hand (surgery) physician records → All 39 in California → Look up another NPI →
Also registered at 222 W 39TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jesse Adams, M.D.Psychiatry Physician1407143399
- Stacey Adelson, NPNurse Practitioner1104951797
- Brita Almog, MDPediatrics Physician1033402847
- John Anderson, MDObstetrics & Gynecology Physician1013082429
- Shea AndersonClinical Social Worker1689964991
- Zohra Ansari, MSWClinical Social Worker1326462904
Verify Aileen Shieu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100363Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average surgery of the hand (surgery) physician in 2024
20 Medicare Part D claims for 12 beneficiaries, against an average of 188 among the 346 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
- County OF San MateoSan Mateo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aileen Shieu among 39 surgery of the hand (surgery) physician records in California
Aileen Shieu, MD is one of 39 surgery of the hand (surgery) physician records with a practice address in California. 77% 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 51% of them.
- NPI issued2007 · 51% of these records are older, 33% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2001 · median 2000 among the 29 with a school on file
- Record last updated2019 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0105X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery of the Hand (Surgery) Physician providers in California
There are 39 surgery of the hand (surgery) physician records in California.
All 39 in California → Every provider in San Mateo → Surgery of the Hand (Surgery) Physician nationwide →
The 8 surgery of the hand (surgery) physician records with the nearest ZIP codes
- Darrel Keyser, MDHayward, CA 945451346292539
- Robert Markison, MDSan Francisco, CA 941091952469983
- Katharina Pellegrin, M.D.San Francisco, CA 941091114994233
- Samuel Kao, M.D.San Francisco, CA 941081497747943
- Frederick Abruzzo, M.D.San Francisco, CA 941031801000815
- Andrew Guenthart, M.D.Morgan Hill, CA 950371134482805
- Ricardo Avena, M.D.Fresno, CA 937201114903648
- Randi Galli, M.D.Fresno, CA 937201932184959
Common questions
What is Aileen Shieu, MD's NPI number?
Aileen Shieu, MD's National Provider Identifier (NPI) is 1154515385, issued on Aug 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aileen Shieu, MD located?
The NPPES record lists a practice address at 222 W 39TH Ave, San Mateo, CA, 94403. Phone: (650) 573-2222. Providers update this record themselves, so call before visiting.
How can I verify Aileen Shieu, MD's license?
NPPES lists California license number A100363, 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 Aileen Shieu, MD prescribe under Medicare Part D?
In 2024, Aileen Shieu, MD had 20 Medicare Part D claims for 12 beneficiaries; the average among surgery of the hand (surgery) physician prescribers was 188. 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.