Dr. Willem Xu, MD
- Medicare patients, 2024
- 46
- Hospital affiliations
- 3
- Medical group
- 1
- Insurance carriers
- 1
- State license
- 1
- Practice address
- 1798 N Garey Ave, Pomona, CA 91767
- Practice phone
- Call (909) 865-9500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Xu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Willem Xu is an anesthesiologist in Pomona, California
Dr. Xu practices at Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center.
Dr. Xu's NPI, 1013570480, was assigned on April 20, 2019. Dr. Xu graduated from Keck School of Medicine of USC in 2020. Dr. Xu holds California license A187501.
- NPI
- 1013570480NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961948617
- NPI enumeration date
- April 20, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 865-9500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Willem Xu practices at Pomona Valley Hospital Medical Center in Pomona, California
Dr. Xu's primary practice is Pomona Valley Hospital Medical Center, at 1798 N Garey Ave, Pomona, CA 91767 in Los Angeles County. The practice phone is (909) 865-9500.
- Pomona Valley Hospital Medical Center1798 N Garey Ave, Pomona, CA 91767 · Los Angeles CountyPhone(909) 865-9500
Source: Dmand AI Affiliation Data
Dr. Willem Xu is affiliated with 4 sites of care and 1 medical group
Dr. Xu's primary practice is Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center. Dr. Xu is also affiliated with San Antonio Regional Hospital. The medical group on file is Allied Anesthesia Medical Group. Dmand AI also links Dr. Xu to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Willem Xu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Xu practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pomona Valley Hospital Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Pomona Valley Hospital Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Willem Xu is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Xu's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Xu is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Xu
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Willem Xu treated 46 Medicare patients in 2024, average age 71
CMS counts 46 Medicare patients who saw Dr. Xu in 2024. The largest group is 75 to 84, with 18 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Xu's median patient age at 59, with 61% women.
Dr. Xu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Xu's Medicare patients by sex, 2024
- Women2248%
- Men2452%
Chronic conditions among Dr. Xu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Diabetes35%
- Chronic kidney disease28%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Xu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Willem Xu takes part in Medicare
Dr. Xu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Willem Xu graduated from Keck School of Medicine of USC
Dr. Xu graduated from Keck School of Medicine of USC in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Willem Xu accepts plans from 1 insurance carrier
Dr. Xu is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Willem Xu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Willem Xu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Willem Xu's NPI number?
Dr. Willem Xu's NPI number is 1013570480. It was assigned on April 20, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Willem Xu?
Dr. Willem Xu is an anesthesiologist in Pomona, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Willem Xu practice?
Dr. Xu practices at 1798 N Garey Ave, Pomona, CA 91767. Dr. Xu's primary practice is Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center. Dmand AI also links Dr. Xu to 1 hospital and 1 group practice or clinic.
What is Dr. Willem Xu's office phone number?
The practice phone on file for Dr. Xu is (909) 865-9500.
What is Dr. Willem Xu's medical license number?
Dr. Xu holds California license A187501.
Which hospitals is Dr. Willem Xu affiliated with?
Dr. Xu practices at Pomona Valley Hospital Medical Center in Pomona, California. Dr. Xu is also affiliated with San Antonio Regional Hospital. Dmand AI links Dr. Xu to 1 more hospital.
What medical group is Dr. Willem Xu part of?
Dr. Xu is linked to Allied Anesthesia Medical Group.
Does Dr. Willem Xu accept Medicare?
Yes. CMS lists Dr. Xu as accepting Medicare assignment.
How many Medicare patients does Dr. Willem Xu see?
CMS counts 46 Medicare patients who saw Dr. Xu in 2024, with an average age of 71.
Where did Dr. Willem Xu go to medical school?
Dr. Xu graduated from Keck School of Medicine of USC in 2020.
How long has Dr. Willem Xu been practicing?
Dr. Xu graduated from medical school in 2020, 6 years ago.
What insurance does Dr. Willem Xu accept?
Dr. Xu is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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