Dr. May Yau, MD
2100 Webster St Ste 423, San Francisco, CA 94115 • +1-348-555-1454
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & San Francisco Percentiles
NPI #1689786675 • CBSA 41860 • Internal Medicine
CMS Medicare Part B utilization records credit Dr. May Yau (MD, NPI 1689786675) at 2100 Webster St Ste 423 in San Francisco with 1,278 annual clinical services (213 beneficiaries), corresponding to a -0.09σ regional deviation and mid-cohort balanced caseload (56.89th San Francisco percentile) with sub-specialty concentration in 40 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. May Yau (94115) place 99214 at the top of the practice ledger (516 yearly units, 56.89th metro rank), rounded out by 99213 and 93000.
Cash-pay intake data for NPI 1689786675 (2100 Webster St Ste 423, San Francisco) indicates $250.00 typical out-of-pocket visit spend against a $250.00 locality benchmark, paired with 21-minute average reception wait and 4.63/5 biomarker openness.
Patients evaluating Dr. May Yau in ZIP 94115 note 31 years of post-doctoral tenure (null, 1995) alongside 6.0 annual CMS procedures per patient.
Compared against San Francisco, CA Internal Medicine peers
1,278 annual services across 213 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 | 516 | 56.89th | $201 – $275 |
| 99213 | Established Preventive & Chronic Care Visit | 298 | 55.89th | $154 – $210 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 149 | 60.89th | $73 – $100 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 115 | 60.89th | $235 – $323 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 69 | 51.89th | $279 – $382 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (40 HCPCS billing breadth) | 132 | 56.89th | $181 – $262 |
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Dr. May Yau, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Yau National Provider Identifier | NPI #1689786675 (MD) | CMS NPPES Registry (94115) |
| Dr. Yau San Francisco CMS Volume Rank | 56.89th Pct (1,278 CMS svcs; Z -0.091σ) | CMS Medicare Part B (CA Internal Medicine) |
| 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 • 21 min lobby wait | 15 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.56/5 Listening • 4.63/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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