Dr. Weiyun Ai, MD
400 Parnassus Ave, San Francisco, CA 94143 • +1-894-555-6160
Medical Education: Accredited U.S. Medical School (Class of 2009)
What This Doctor Actually Performs: CMS Medicare Utilization & San Francisco Percentiles
NPI #1649346842 • CBSA 41860 • Medical Oncology
Within the San Francisco, CA (CBSA 41860) Medical Oncology cohort, Dr. Weiyun Ai, MD with sub-specialty concentration in 43 Active CMS HCPCS Codes ranks at the 30th municipal percentile and 27.61th CA percentile (-0.55σ Z-score) based on 1,285 billed procedures for 222 patients.
Fee-schedule auditing of NPI 1649346842 highlights 578 annual claims for 99214 (30th San Francisco percentile; $130–$178 self-pay corridor) plus 334 encounters under 99213 and 167 under 93000.
Uninsured and high-deductible cash patients visiting Dr. Weiyun Ai in San Francisco (94143) face an estimated $250.00 initial evaluation fee at 400 Parnassus Ave (hybrid in-clinic and telehealth video consults; 16-minute average reception wait; bedside manner 4.96/5 from 20 verified reports).
NPI registry verification (#1649346842) confirms Dr. Weiyun Ai's MD standing serving CBSA 41860 with a 4.85/5 patient scorecard.
Compared against San Francisco, CA Medical Oncology peers
1,285 annual services across 222 beneficiaries
Standard deviations from CA Medical Oncology 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 | 578 | 30th | $130 – $178 |
| 99213 | Established Preventive & Chronic Care Visit | 334 | 26th | $99 – $136 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 167 | 27th | $47 – $65 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 129 | 25th | $152 – $209 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 77 | 28th | $181 – $247 |
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Dr. Weiyun Ai, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Ai National Provider Identifier | NPI #1649346842 (MD) | CMS NPPES Registry (94143) |
| Dr. Ai San Francisco CMS Volume Rank | 30.00th Pct (1,285 CMS svcs; Z -0.548σ) | CMS Medicare Part B (CA Medical Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $250.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (San Francisco, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $250.00 avg paid • 16 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.96/5 Listening • 4.83/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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