Christine Liu Xu
Ophthalmology Physician · Palo Alto, CA
Christine Liu Xu is an ophthalmology physician with a practice address in Palo Alto, California, and NPI 1740985191, issued on Apr 4, 2023. Check the license (California STUDENT, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christine Liu Xu
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- STUDENT CA
Self-reported in NPPES; status is on the state search - Practice location
- 2452 Watson CT, Palo Alto, CA 94303
- Phone
- (650) 723-6995
- Enumerated
- Apr 4, 2023
- Record last updated
- Aug 6, 2026
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 2452 Watson CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alec BernardStudent in an Organized Health Care Education/Training Program1689317315
- Natalia Binczyk, MD, FRCSCOphthalmology Physician1013748359
- Emily Charlson, MDOphthalmology Physician1609296466
- Julie Cho, M.D, PH.DOphthalmology Physician1073993929
- Jonathan Chou, MDOphthalmology Physician1043621055
- Jonathan EntwisleCertified Registered Nurse Anesthetist1972934719
Verify Christine Liu Xu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license STUDENTCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $543.73
6 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Christine Liu Xu among 2,899 ophthalmology physician records in California
Christine Liu Xu is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than over 99% of them.
- NPI issued2023 · over 99% of these records are older, under 1% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2026 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Palo Alto → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Natalia Binczyk, MD, FRCSCPalo Alto, CA 943031013748359
- Emily Charlson, MDPalo Alto, CA 943031609296466
- Julie Cho, M.D, PH.DPalo Alto, CA 943031073993929
- Jonathan Chou, MDPalo Alto, CA 943031043621055
- Laura Huang, M.D.Palo Alto, CA 943031043605116
- Kirandeep Kaur, MDPalo Alto, CA 943031366618290
- Kevin Ma, MDPalo Alto, CA 943031770014219
- Anna TothPalo Alto, CA 943031528577046
Common questions
What is Christine Liu Xu's NPI number?
Christine Liu Xu's National Provider Identifier (NPI) is 1740985191, issued on Apr 4, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Christine Liu Xu located?
The NPPES record lists a practice address at 2452 Watson CT, Palo Alto, CA, 94303. Phone: (650) 723-6995. Providers update this record themselves, so call before visiting.
How can I verify Christine Liu Xu's license?
NPPES lists California license number STUDENT, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.