IndividualActive
Arthur Liu, MD
NPI 1649346727 · Family Medicine Physician · Palo Alto, CA
Arthur Liu, MD is a Family Medicine Physician provider in Palo Alto, CA (NPI 1649346727).
Provider details
- NPI number
- 1649346727
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G61663 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
795 El Camino Real
Palo Alto, CA 94301-2302
Phone: (650) 321-4121
Street-level locationGet directions
Mailing address
2350 W. El Camino Real
Mountain View, CA 94040-6203
Registry dates
- Enumerated
- 2006-11-28
- Last updated
- 2011-12-23
Frequently asked questions
- What is Arthur Liu's NPI number?
- Arthur Liu's National Provider Identifier (NPI) is 1649346727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arthur Liu's specialty?
- Arthur Liu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arthur Liu located?
- Arthur Liu's practice location on file with NPPES is 795 El Camino Real, Palo Alto, CA 94301-2302.
- What is Arthur Liu's phone number?
- The practice phone number listed in the NPPES registry for Arthur Liu is (650) 321-4121.
- Is Arthur Liu's NPI active?
- Yes — Arthur Liu's NPI (1649346727) is active in the NPPES registry as of the last update on 2011-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.