Dr. Alexander Chang, MD
909 Hyde St Ste 230, San Francisco, CA 94109 • +1-352-555-4312
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & San Francisco Percentiles
NPI #1225356231 • CBSA 41860 • Internal Medicine
Anchored in San Francisco, CA 94109, Dr. Alexander Chang, MD (NPI 1225356231) logged 1,073 annual procedures (mid-cohort balanced caseload (47.9th San Francisco percentile), 33.32th CA percentile, -0.10σ) with sub-specialty concentration in 37 Active CMS HCPCS Codes.
Procedural volume for Dr. Chang is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 468 annual services, $183–$251 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 270/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 135/yr).
At 909 Hyde St Ste 230 (94109), Dr. Alexander Chang, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$250.00 per new consult (4.58/5 bedside rating).
NPI registry verification (#1225356231) confirms Dr. Alexander Chang's MD standing serving CBSA 41860 with a 4.59/5 patient scorecard.
Compared against San Francisco, CA Internal Medicine peers
1,073 annual services across 165 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 | 468 | 47.9th | $183 – $251 |
| 99213 | Established Preventive & Chronic Care Visit | 270 | 46.9th | $140 – $192 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 135 | 52.9th | $67 – $92 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 104 | 50.9th | $215 – $295 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 62 | 49.9th | $255 – $349 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (37 HCPCS billing breadth) | 33 | 47.9th | $165 – $239 |
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Dr. Alexander Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1225356231 (MD) | CMS NPPES Registry (94109) |
| Dr. Chang San Francisco CMS Volume Rank | 47.90th Pct (1,073 CMS svcs; Z -0.097σ) | 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 • 22 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.58/5 Listening • 4.91/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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