Dr. Sophia Chang, MD
516 W Margaret St, Ste. #6, Pasco, WA 99301 • +1-327-555-7964
Medical Education: Accredited U.S. Medical School (Class of 1996)
What This Doctor Actually Performs: CMS Medicare Utilization & Pasco Percentiles
NPI #1588658074 • CBSA Regional • Rheumatology
Statistical peer benchmarking across WA Rheumatology providers positions Dr. Sophia Chang, MD in Pasco at +0.76σ (99th city percentile / 85.9th state percentile, 99 Medicare beneficiaries), with clinical focus spanning 13 Active CMS HCPCS Codes.
Procedural volume for Dr. Chang is led by HCPCS 99214 (Autoimmune Arthritis & Biologic/DMARD Safety Evaluation — 309 annual services, $48–$66 GPCI cash estimate), followed by CPT 20610 (Large Joint Synovial Arthrocentesis or Corticosteroid Injection, 141/yr) and CPT 96413 (Intravenous Biologic Infusion Therapy (First Hour), 101/yr).
At 516 W Margaret St, Ste. #6 (99301), Dr. Sophia Chang, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$222.00 per new consult (4.55/5 bedside rating).
NPI registry verification (#1588658074) confirms Dr. Sophia Chang's MD standing serving CBSA 99301 with a 4.59/5 patient scorecard.
Top 10% Rheumatology volume leader in Pasco, WA
56,304 annual services across 99 beneficiaries
Standard deviations from WA Rheumatology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Autoimmune Arthritis & Biologic/DMARD Safety Evaluation | 309 | 99th | $48 – $66 |
| 20610 | Large Joint Synovial Arthrocentesis or Corticosteroid Injection | 141 | 95th | $38 – $53 |
| 96413 | Intravenous Biologic Infusion Therapy (First Hour) | 101 | 99.5th | $66 – $91 |
| 76881 | Complete Joint Synovitis High-Resolution Ultrasound | 67 | 98th | $50 – $69 |
| 99204 | New Patient Autoimmune & Rheumatology Diagnostic Workup | 54 | 99.5th | $66 – $91 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (13 HCPCS billing breadth) | 55,632 | 99th | $45 – $65 |
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Dr. Sophia Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1588658074 (MD) | CMS NPPES Registry (99301) |
| Dr. Chang Pasco CMS Volume Rank | 99.00th Pct (56,304 CMS svcs; Z +0.757σ) | CMS Medicare Part B (WA Rheumatology) |
| Fair Cash-Pay New-Patient Benchmark | $222.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Pasco, WA) |
| Waiting-Room Wait Time & Cash Friendliness | $222.00 avg paid • 16 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.62/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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