IndividualActive
Caroline Xu, MD
NPI 1891179297 · Otolaryngology Physician · Stanford, CA
Caroline Xu, MD is a Otolaryngology Physician provider in Stanford, CA (NPI 1891179297).
Provider details
- NPI number
- 1891179297
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A134097 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(73/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
801 Welch Road
Stanford, CA 94305-5739
Phone: (650) 723-5651
Approximate (ZIP-level) locationGet directions
Mailing address
1083 Laurel St
Menlo Park, CA 94025-3305
Registry dates
- Enumerated
- 2015-07-15
- Last updated
- 2015-07-15
Frequently asked questions
- What is Caroline Xu's NPI number?
- Caroline Xu's National Provider Identifier (NPI) is 1891179297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caroline Xu's specialty?
- Caroline Xu is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Caroline Xu located?
- Caroline Xu's practice location on file with NPPES is 801 Welch Road, Stanford, CA 94305-5739.
- What is Caroline Xu's phone number?
- The practice phone number listed in the NPPES registry for Caroline Xu is (650) 723-5651.
- Is Caroline Xu's NPI active?
- Yes — Caroline Xu's NPI (1891179297) is active in the NPPES registry as of the last update on 2015-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.