Aileen Shieu, MD
NPI 1154515385 · Surgery of the Hand (Surgery) Physician · San Mateo, CA
Enrolled with Medicare as Practitioner - Hand Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aileen Shieu, MD is a Surgery of the Hand (Surgery) Physician provider in San Mateo, CA (NPI 1154515385).
Provider details
- NPI number
- 1154515385
- Entity type
- Individual
- Primary specialty
- Surgery of the Hand (Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A100363 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-30
- Last updated
- 2019-05-11
Frequently asked questions
- What is Aileen Shieu's NPI number?
- Aileen Shieu's National Provider Identifier (NPI) is 1154515385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aileen Shieu's specialty?
- Aileen Shieu is listed in the NPPES registry with a primary specialty of Surgery of the Hand (Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Aileen Shieu located?
- Aileen Shieu's practice location on file with NPPES is 222 W 39th Ave, San Mateo, CA 94403-4364.
- What is Aileen Shieu's phone number?
- The practice phone number listed in the NPPES registry for Aileen Shieu is (650) 573-2222.
- Does Aileen Shieu accept Medicare?
- Aileen Shieu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aileen Shieu's NPI active?
- Yes — Aileen Shieu's NPI (1154515385) is active in the NPPES registry as of the last update on 2019-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.