Dr. Weiwei Xu, MD
What this data tells you about Dr. Xu
Dr. Weiwei Xu is an urology physician in Castro Valley, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Xu performed 3,962 Medicare services across 2,019 unique beneficiaries.
Between the years covered by Open Payments, Dr. Xu received a total of $7,371 from 25 pharmaceutical and/or device companies across 95 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in urology physician. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Xu is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
587 | $79 | $128 |
| Bladder ultrasound after voiding An ultrasound scan performed after urination to measure the amount of urine remaining in the bladder. |
468 | $11 | $110 |
| Lower leg neurostimulator electrode insertion A procedure to place an electrode in the lower leg for neurostimulation therapy. |
446 | $121 | $296 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
431 | $112 | $173 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
399 | $52 | $87 |
| Electronic assessment of bladder emptying A test that uses electronic monitoring to evaluate how well the bladder empties urine. |
364 | $7 | $110 |
| Non-needle muscle activity measurement of bladder and bowel openings This procedure measures and records the electrical activity of muscles at the bladder and bowel openings without using needles. |
327 | $33 | $238 |
| Complex urodynamic pressure flow study A test that measures the pressure of urine flow in the bladder during voiding to evaluate how well the bladder and urethra are functioning. |
297 | $375 | $680 |
| Additional urethral implant in prostate Placement of an additional implant into the urethra within the prostate gland using an endoscope. |
112 | $953 | $1,700 |
| Cystourethroscopy A diagnostic exam of the bladder and urethra using an endoscope to visually inspect the urinary tract. |
79 | $232 | $325 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
69 | $145 | $245 |
| Electrical stimulation therapy, per 15 minutes Application of electrical stimulation to the body with a therapist present. The service is billed for each 15-minute increment of treatment. |
65 | $13 | $55 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
58 | $71 | $101 |
| Transrectal ultrasound of the pelvis An ultrasound imaging procedure where a probe is inserted into the rectum to visualize pelvic structures. |
44 | $142 | $335 |
| Bladder irrigation and/or instillation This procedure involves flushing the bladder with fluid to clear it or introducing medication directly into the bladder. |
42 | $76 | $126 |
| Biofeedback training for bowel or bladder control, initial 15 minutes A 15-minute session using biofeedback techniques to help patients gain control over bowel or bladder functions. The training involves monitoring physiological processes to learn how to manage muscle activity. |
33 | $80 | $250 |
| Rectal sensitivity and function study A test to evaluate the sensitivity and functional performance of the rectum. |
32 | $283 | $875 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
31 | $158 | $232 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
31 | $116 | $310 |
| Urethral implant insertion in prostate A single implant is placed into the urethra within the prostate gland using an endoscope. |
19 | $1,364 | $2,503 |
| Complex urodynamic pressure measurement A test that measures the pressure of urine flow in the bladder along with urethral and voiding pressures. |
15 | $394 | $540 |
| Abdominal device insertion with pressure and urine flow study A procedure involving the placement of a device into the abdomen, accompanied by a study to measure pressure and urine flow rate. |
13 | $205 | $300 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Xu is a clinical cardiology specialist, with above-average Medicare volume (top 21% in CA), with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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