Dr. David Chang, MD
6699 Alvarado Rd Ste 2309, San Diego, CA 92120 • +1-266-555-6018
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & San Diego Percentiles
NPI #1073596342 • CBSA Regional • Internal Medicine
Within the San Diego, CA (CBSA local) Internal Medicine cohort, Dr. David Chang, MD with sub-specialty concentration in 26 Active CMS HCPCS Codes ranks at the 66.67th municipal percentile and 69.91th CA percentile (-0.05σ Z-score) based on 2,562 billed procedures for 262 patients.
Granular CPT/HCPCS billing distribution at 6699 Alvarado Rd Ste 2309 shows Dr. David Chang's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 471x/yr, 66.67th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 272x/yr, $75–$103).
At 6699 Alvarado Rd Ste 2309 (92120), Dr. David Chang, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$239.00 per new consult (4.83/5 bedside rating).
Spanning 25 years of clinical practice following 2001 graduation from medical training, Dr. David Chang integrates 26 Active CMS HCPCS Codes diagnostics for San Diego metro patients.
Compared against San Diego, CA Internal Medicine peers
2,562 annual services across 262 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 | 471 | 66.67th | $98 – $135 |
| 99213 | Established Preventive & Chronic Care Visit | 272 | 71.67th | $75 – $103 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 136 | 63.67th | $36 – $51 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 105 | 64.67th | $116 – $158 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 63 | 69.67th | $137 – $188 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (26 HCPCS billing breadth) | 1,516 | 66.67th | $89 – $129 |
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Dr. David Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1073596342 (MD) | CMS NPPES Registry (92120) |
| Dr. Chang San Diego CMS Volume Rank | 66.67th Pct (2,562 CMS svcs; Z -0.053σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (San Diego, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 13 min lobby wait | 15 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.83/5 Listening • 4.45/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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