Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Willem Xu, MD

Individual provider Anesthesiology Physician · NPI 1013570480

Willem Xu, MD is an Anesthesiology in Santa Ana, California. Qualified in 2020, 6 years ago. Practices with Allied Anesthesia Medical Group Inc, a 184-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
6
Licensed in
CA
In the registry since
2019
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

400 N Tustin Ave
Santa Ana, CA 92705-3813
Phone: (714) 619-5391
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence A187501 (CA)

Record details

NPI number1013570480
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 20, 2019
Last updated in NPPESJune 17, 2024
Certification dateJune 17, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Allied Anesthesia Medical Group Inc — 184 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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