Dr. Ling Xu, MD
20642 John DR, Castro Valley, CA 94546 • +1-450-555-5298
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Castro Valley Percentiles
NPI #1073684429 • CBSA Regional • Internal Medicine
Dr. Ling Xu, MD (NPI #1073684429) practices Internal Medicine in Castro Valley, CA (94546) with sub-specialty concentration in 31 Active CMS HCPCS Codes, recording 1,542 annual CMS services across 382 distinct beneficiaries—placing this practice as a top-decile high-throughput specialist (92.86th percentile in Castro Valley) (-0.08σ vs CA state mean, 51.31th statewide percentile).
Procedural volume for Dr. Xu is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 635 annual services, $163–$224 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 367/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 183/yr).
At 20642 John DR (94546), Dr. Ling Xu, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$239.00 per new consult (4.62/5 bedside rating).
NPI registry verification (#1073684429) confirms Dr. Ling Xu's MD standing serving CBSA 94546 with a 4.67/5 patient scorecard.
Top 10% Internal Medicine volume leader in Castro Valley, CA
1,542 annual services across 382 beneficiaries
Standard deviations from CA Internal Medicine mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 635 | 92.86th | $163 – $224 |
| 99213 | Established Preventive & Chronic Care Visit | 367 | 96.86th | $125 – $171 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 183 | 91.86th | $60 – $82 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 141 | 92.86th | $192 – $263 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 85 | 90.86th | $227 – $311 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (31 HCPCS billing breadth) | 132 | 92.86th | $147 – $213 |
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Dr. Ling Xu, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Xu National Provider Identifier | NPI #1073684429 (MD) | CMS NPPES Registry (94546) |
| Dr. Xu Castro Valley CMS Volume Rank | 92.86th Pct (1,542 CMS svcs; Z -0.083σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Castro Valley, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 12 min lobby wait | 14 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.62/5 Listening • 4.73/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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