Dr. Mai-Sie Chan, MD
929 Clay St, Suite 303, San Francisco, CA 94108 • +1-671-555-2041
Medical Education: Accredited U.S. Medical School (Class of 2009)
What This Doctor Actually Performs: CMS Medicare Utilization & San Francisco Percentiles
NPI #1326136557 • CBSA 41860 • Internal Medicine
Within the San Francisco, CA (CBSA 41860) Internal Medicine cohort, Dr. Mai-Sie Chan, MD with sub-specialty concentration in 27 Active CMS HCPCS Codes ranks at the 55.69th municipal percentile and 40.69th CA percentile (-0.09σ Z-score) based on 1,238 billed procedures for 138 patients.
Among 6 tracked CMS fee-schedule codes for Dr. Chan (averaging 9.0 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 42% of tracked volume (516 encounters), paired with 99213 (298x).
At 929 Clay St, Suite 303 (94108), Dr. Mai-Sie Chan, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$250.00 per new consult (4.71/5 bedside rating).
NPI registry verification (#1326136557) confirms Dr. Mai-Sie Chan's MD standing serving CBSA 41860 with a 4.76/5 patient scorecard.
Compared against San Francisco, CA Internal Medicine peers
1,238 annual services across 138 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 | 55.69th | $167 – $229 |
| 99213 | Established Preventive & Chronic Care Visit | 298 | 60.69th | $128 – $175 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 149 | 52.69th | $61 – $84 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 115 | 53.69th | $196 – $269 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 69 | 56.69th | $232 – $318 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (27 HCPCS billing breadth) | 92 | 55.69th | $151 – $219 |
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Dr. Mai-Sie Chan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chan National Provider Identifier | NPI #1326136557 (MD) | CMS NPPES Registry (94108) |
| Dr. Chan San Francisco CMS Volume Rank | 55.69th Pct (1,238 CMS svcs; Z -0.092σ) | 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 • 11 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.71/5 Listening • 4.85/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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