Dr. Wei -I Xu, MD
- Medicare services, 2023
- 27
- Medicare patients, 2024
- 50
- Hospital affiliations
- 1
- Industry payments
- $41
- Medical groups
- 2
- Practice address
- 9965 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente - Fontana Medical Center
Fontana, California
Find Dr. Xu's professional email, personal email and mobile number
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Dr. Wei -I Xu is an anesthesiologist in Fontana, California
Dr. Xu practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Xu's NPI, 1801919972, was assigned on April 6, 2007. Dr. Xu holds California license A66737.
- NPI
- 1801919972NPI Registry (opens in a new tab)
- NPI enumeration date
- April 6, 2007
- NPI status
- Active
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Wei -I Xu practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. Xu's primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Wei -I Xu is affiliated with 2 sites of care and 2 medical groups
Dr. Xu's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dr. Xu is also affiliated with San Dimas Community Hospital. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Xu to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Wei -I Xu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Xu practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Wei -I 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 board certified in anesthesiology by the American Board of Anesthesiology. 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. Wei -I Xu billed Medicare for 27 services in 2023
CMS data shows 27 Medicare services from Dr. Xu across 2 procedure codes in 2023, for 50 Medicare patients. Medicare paid $5,807 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Xu's Medicare services by type, 2021 to 2023
- 2021
- 2023
- Anesthesia
- 2021: 292023: 277%
Dr. Xu compared with the California median for anesthesiologists, 2023
- Dr. Xu
- California median
- Medicare services
- 27vs 7263% below
- Medicare patients
- 50vs 14365% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Xu's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Xu and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Wei -I Xu treated 50 Medicare patients in 2024, average age 71
CMS counts 50 Medicare patients who saw Dr. Xu in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 42% are also on Medicaid. Their average risk score is 1.89, 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 46, with 70% 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
- Women2958%
- Men2142%
Chronic conditions among Dr. Xu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes44%
- Arthritis34%
- Depression26%
- Mood disorders26%
- Atrial fibrillation22%
- Cancer22%
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 46
Patient panel by sex, all payers
- Women70%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Wei -I Xu received $41 in industry payments from 2016 to 2024
CMS Open Payments shows 2 general payments to Dr. Xu from 2 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $26.
General payments to Dr. Xu by program year, 2016 to 2024
Companies that paid Dr. Xu the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Wei -I Xu is board certified in anesthesiology
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Wei -I Xu accepts plans from 1 insurance carrier
Dr. Xu is in network with 1 carrier, including Molina. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Molina
Source: Dmand AI Insurance Network Data
Sources for Dr. Wei -I 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Wei -I 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. Wei -I Xu's NPI number?
Dr. Wei -I Xu's NPI number is 1801919972. It was assigned on April 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Wei -I Xu?
Dr. Wei -I Xu is an anesthesiologist in Fontana, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Wei -I Xu practice?
Dr. Xu practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Xu's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dmand AI also links Dr. Xu to 1 medical group.
What is Dr. Wei -I Xu's office phone number?
The practice phone on file for Dr. Xu is (909) 427-5000.
What is Dr. Wei -I Xu's medical license number?
Dr. Xu holds California license A66737.
Which hospitals is Dr. Wei -I Xu affiliated with?
Dr. Xu is affiliated with San Dimas Community Hospital.
What medical group is Dr. Wei -I Xu part of?
Dr. Xu is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Xu to 1 more medical group.
Does Dr. Wei -I Xu accept Medicare?
Yes. CMS data shows Dr. Xu billed Medicare for 27 services in 2023.
How many Medicare patients does Dr. Wei -I Xu see?
CMS counts 50 Medicare patients who saw Dr. Xu in 2024, with an average age of 71.
Is Dr. Wei -I Xu board certified?
Yes. Dr. Xu is board certified in anesthesiology by the American Board of Anesthesiology.
Show 4 more questionsShow fewer questions
What services does Dr. Wei -I Xu bill to Medicare?
In 2023, Dr. Xu's most billed Medicare services were anesthesia (00142) and anesthesia (00790).
Has Dr. Wei -I Xu received payments from drug or device companies?
CMS Open Payments shows $41 in general payments to Dr. Xu from 2 companies from 2016 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Wei -I Xu been practicing?
Dr. Xu graduated from medical school in 1981, 45 years ago.
What insurance does Dr. Wei -I Xu accept?
Dr. Xu is in network with 1 carrier, including Molina. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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