Dr. Lydia Chan, MD
2674 San Bruno Avenue, San Francisco, CA 94134 • +1-927-555-3013
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & San Francisco Percentiles
NPI #1578900452 • CBSA 41860 • Internal Medicine
Within the San Francisco, CA (CBSA 41860) Internal Medicine cohort, Dr. Lydia Chan, MD with sub-specialty concentration in 33 Active CMS HCPCS Codes ranks at the 64.67th municipal percentile and 48.62th CA percentile (-0.09σ Z-score) based on 1,458 billed procedures for 144 patients.
Fee-schedule auditing of NPI 1578900452 highlights 656 annual claims for 99214 (64.67th San Francisco percentile; $52–$71 self-pay corridor) plus 379 encounters under 99213 and 190 under 93000.
For out-of-network patients contacting +1-927-555-3013, Dr. Chan's practice posts a $250.00 GPCI self-pay consult estimate ($250.00 patient-logged median, 4.58/5 composite reality score over 17 submissions).
Spanning 8 years of clinical practice following 2018 graduation from medical training, Dr. Lydia Chan integrates 33 Active CMS HCPCS Codes diagnostics for San Francisco metro patients.
Compared against San Francisco, CA Internal Medicine peers
1,458 annual services across 144 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 | 656 | 64.67th | $52 – $71 |
| 99213 | Established Preventive & Chronic Care Visit | 379 | 65.67th | $40 – $55 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 190 | 67.67th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 146 | 68.67th | $61 – $84 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 87 | 65.67th | $72 – $99 |
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Dr. Lydia Chan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chan National Provider Identifier | NPI #1578900452 (MD) | CMS NPPES Registry (94134) |
| Dr. Chan San Francisco CMS Volume Rank | 64.67th Pct (1,458 CMS svcs; Z -0.086σ) | 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 • 19 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.59/5 Listening • 4.84/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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