Dr. Eric Chang, MD
1120 W LA Veta Ave, Suite 300, Orange, CA 92868 • +1-733-555-2674
Medical Education: Accredited U.S. Medical School (Class of 2007)
What This Doctor Actually Performs: CMS Medicare Utilization & Orange Percentiles
NPI #1407062920 • CBSA Regional • Physical Medicine and Rehabilitation
Operating out of Orange, CA (1120 W LA Veta Ave, Suite 300), Physical Medicine and Rehabilitation clinician Dr. Eric Chang, MD (accredited MD/DO training, 2007) maintains a upper-quartile active clinical volume (77.78th Orange percentile) (94.2th CA percentile; Z-score +0.90σ across 16,813 documented services) with sub-specialty concentration in 118 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 1120 W LA Veta Ave, Suite 300 shows Dr. Eric Chang's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 1789x/yr, 77.78th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 1034x/yr, $48–$66).
Direct cash-pay transparency modeling sets Dr. Chang's baseline new-consult rate near $239.00 in Orange, CA (cash-pay accepted, in-person clinic visits only, 12-minute average reception wait).
NPI registry verification (#1407062920) confirms Dr. Eric Chang's MD standing serving CBSA 92868 with a 4.75/5 patient scorecard.
Compared against Orange, CA Physical Medicine and Rehabilitation peers
16,813 annual services across 445 beneficiaries
Standard deviations from CA Physical Medicine and Rehabilitation 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 | 1,789 | 77.78th | $63 – $87 |
| 99213 | Established Preventive & Chronic Care Visit | 1,034 | 81.78th | $48 – $66 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 517 | 77.78th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 398 | 74.78th | $74 – $102 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 239 | 76.78th | $88 – $120 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (118 HCPCS billing breadth) | 12,837 | 77.78th | $57 – $83 |
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Dr. Eric Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1407062920 (MD) | CMS NPPES Registry (92868) |
| Dr. Chang Orange CMS Volume Rank | 77.78th Pct (16,813 CMS svcs; Z +0.901σ) | CMS Medicare Part B (CA Physical Medicine and Rehabilitation) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Orange, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 12 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.65/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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