Margaret Lau, M.D.
NPI 1316383938 · Pediatrics Physician · Mountain View, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Lau, M.D. is a Pediatrics Physician provider in Mountain View, CA (NPI 1316383938).
Provider details
- NPI number
- 1316383938
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A136675 (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
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 4050 Dublin BlvdDublin, CA 94568-3112Phone: (925) 875-6100
- 725 Welch RdPalo Alto, CA 94304-1601Phone: (650) 497-8000
Registry dates
- Enumerated
- 2013-05-22
- Last updated
- 2025-06-06
- Certified
- 2025-06-06
Frequently asked questions
- What is Margaret Lau's NPI number?
- Margaret Lau's National Provider Identifier (NPI) is 1316383938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Lau's specialty?
- Margaret Lau is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Lau located?
- Margaret Lau's practice location on file with NPPES is 701 E El Camino Real, Mountain View, CA 94040-2833.
- What is Margaret Lau's phone number?
- The practice phone number listed in the NPPES registry for Margaret Lau is (650) 934-7800.
- Does Margaret Lau accept Medicare?
- Margaret Lau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Lau's NPI active?
- Yes — Margaret Lau's NPI (1316383938) is active in the NPPES registry as of the last update on 2025-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.