Hui Hsin Wu, MD
NPI 1275599375 · Pediatrics Physician · Hayward, CA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hui Hsin Wu, MD is a Pediatrics Physician provider in Hayward, CA (NPI 1275599375).
Provider details
- NPI number
- 1275599375
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A42343 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-04-26
- Last updated
- 2022-06-24
- Certified
- 2022-06-24
Frequently asked questions
- What is Hui Hsin Wu's NPI number?
- Hui Hsin Wu's National Provider Identifier (NPI) is 1275599375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hui Hsin Wu's specialty?
- Hui Hsin Wu is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Hui Hsin Wu located?
- Hui Hsin Wu's practice location on file with NPPES is 27200 Calaroga Ave, Hayward, CA 94545-4339.
- What is Hui Hsin Wu's phone number?
- The practice phone number listed in the NPPES registry for Hui Hsin Wu is (510) 264-4031.
- Does Hui Hsin Wu accept Medicare?
- Hui Hsin Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hui Hsin Wu's NPI active?
- Yes — Hui Hsin Wu's NPI (1275599375) is active in the NPPES registry as of the last update on 2022-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.