Crystal Wu, MD
NPI 1124687959 · Pediatrics Physician · Mountain View, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Wu, MD is a Pediatrics Physician provider in Mountain View, CA (NPI 1124687959).
Provider details
- NPI number
- 1124687959
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 65890 (AZ)
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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 6950 E Golf Links RdTucson, AZ 85730-1017Phone: (520) 670-3909
Registry dates
- Enumerated
- 2019-06-06
- Last updated
- 2024-08-16
- Certified
- 2024-08-16
Frequently asked questions
- What is Crystal Wu's NPI number?
- Crystal Wu's National Provider Identifier (NPI) is 1124687959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Wu's specialty?
- Crystal Wu is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Crystal Wu located?
- Crystal Wu's practice location on file with NPPES is 701 E El Camino Real, Mountain View, CA 94040-2833.
- What is Crystal Wu's phone number?
- The practice phone number listed in the NPPES registry for Crystal Wu is (650) 934-7850.
- Does Crystal Wu accept Medicare?
- Crystal Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Wu's NPI active?
- Yes — Crystal Wu's NPI (1124687959) is active in the NPPES registry as of the last update on 2024-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.