Katherine Wu, MD
NPI 1518378256 · Pediatrics Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Wu, MD is a Pediatrics Physician provider in Walnut Creek, CA (NPI 1518378256).
Provider details
- NPI number
- 1518378256
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A148302 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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
Additional practice locations (3)
- 747 52nd StOakland, CA 94609-1809Phone: (510) 428-3276
- 725 Welch RdPalo Alto, CA 94304-1601Phone: (650) 497-8000
- 3401 Civic Center Blvd9nw, Room 55Philadelphia, PA 19104-4319Phone: (215) 590-1220
Registry dates
- Enumerated
- 2014-05-15
- Last updated
- 2025-10-31
- Certified
- 2025-10-31
Frequently asked questions
- What is Katherine Wu's NPI number?
- Katherine Wu's National Provider Identifier (NPI) is 1518378256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Wu's specialty?
- Katherine Wu is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Wu located?
- Katherine Wu's practice location on file with NPPES is 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598-3122.
- What is Katherine Wu's phone number?
- The practice phone number listed in the NPPES registry for Katherine Wu is (925) 947-5350.
- Does Katherine Wu accept Medicare?
- Katherine Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Wu's NPI active?
- Yes — Katherine Wu's NPI (1518378256) is active in the NPPES registry as of the last update on 2025-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.