Dr. Mia Williams, MD
505 Parnassus Ave, San Francisco, CA 94143 • +1-894-555-9306
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & San Francisco Percentiles
NPI #1386030906 • CBSA 41860 • Internal Medicine
Operating out of San Francisco, CA (505 Parnassus Ave), Internal Medicine clinician Dr. Mia Williams, MD (accredited MD/DO training, 1993) maintains a focused low-volume boutique caseload (3.59th San Francisco percentile) (2.42th CA percentile; Z-score -0.11σ across 652 documented services) with sub-specialty concentration in 18 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Williams (averaging 3.6 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (293 encounters), paired with 99213 (170x).
Self-pay new patient consultations with Dr. Williams (CPT 99204 GPCI-adjusted benchmark) estimate around $250.00 (community reported average: $250.00) with hybrid in-clinic and telehealth video consults, 10-minute average reception wait, and a 4.91/5 modern protocol openness score across 16 patient logs.
Credentialed as an MD specialist with 33 years post-graduation experience since completing medical school at an LCME/COCA institution (1993), Dr. Williams coordinates 18 Active CMS HCPCS Codes workups from 505 Parnassus Ave (+1-894-555-9306).
Compared against San Francisco, CA Internal Medicine peers
652 annual services across 182 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 | 293 | 12th | $156 – $213 |
| 99213 | Established Preventive & Chronic Care Visit | 170 | 12th | $119 – $163 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 85 | 12th | $57 – $78 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 65 | 12th | $183 – $250 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 39 | 12th | $217 – $297 |
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Dr. Mia Williams, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Williams National Provider Identifier | NPI #1386030906 (MD) | CMS NPPES Registry (94143) |
| Dr. Williams San Francisco CMS Volume Rank | 3.59th Pct (652 CMS svcs; Z -0.109σ) | 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 • 10 min lobby wait | 16 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.86/5 Listening • 4.91/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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