Quick answers
- Which hospitals does David Xu work at?
- Medicare's official clinician data lists David Xu at 4 hospitals: Hoag Memorial Hospital Presbyterian, Memorialcare Saddleback Medical Center, Ohio State University State Health System and Ronald Reagan UCLA Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Xu see patients?
- Medicare's clinician data lists 3 practice locations, including Laguna Hills, CA and Irvine, CA. Call before your visit to confirm the address.
- What is David Xu's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does David Xu accept Medicare assignment?
- Yes. Medicare's clinician data says David Xu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does David Xu offer telehealth?
- Medicare's clinician data says David Xu offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David Xu?
- (949) 458-8252, as listed in official Medicare / NPI Registry data.
- What is David Xu's NPI number?
- 1568826519. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Xu works
Medicare's Facility Affiliation Data lists David Xu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · CCN 050224
- Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · CCN 050603
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · CCN 360085
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050262
Practice locations
Addresses where David Xu is enrolled with Medicare (CMS data updated 2026-10-02).
- 24302 Paseo De ValenciaLaguna Hills, CA 92653 (949) 458‑8252
- 24302 Paseo De Valencia, Suite 200Laguna Hills, CA 92653 (949) 458‑8252
- 250 E Yale Loop, Suite AIrvine, CA 92604 (949) 653‑2959
Group practices
Medicare enrollment lists David Xu as a member of this group (CMS data updated 2026-10-02).
- The Regents of the University of California1,462 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Laguna Hills
Clinicians with the same Medicare primary specialty in Laguna Hills, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Chicago, Pritzker School Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1568826519 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians