Dr. Mona Chang, MD
1205 River Ave Fl 2, Williamsport, PA 17701 • +1-731-555-4479
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Williamsport Percentiles
NPI #1639159825 • CBSA Regional • Family Practice
Within the Williamsport, PA (CBSA local) Family Practice cohort, Dr. Mona Chang, MD with sub-specialty concentration in 67 Active CMS HCPCS Codes ranks at the 50th municipal percentile and 76.64th PA percentile (+0.09σ Z-score) based on 2,166 billed procedures for 329 patients.
Procedural volume for Dr. Chang is led by HCPCS 99214 (Comprehensive Primary Care & Chronic Protocol Management — 811 annual services, $102–$140 GPCI cash estimate), followed by CPT 99213 (Focused Acute & Preventive Primary Care Evaluation, 599/yr) and CPT G0439 (Annual Wellness Biomarker & Preventive Screening Visit, 232/yr).
Direct cash-pay transparency modeling sets Dr. Chang's baseline new-consult rate near $209.00 in Williamsport, PA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 15-minute average reception wait).
Spanning 27 years of clinical practice following 1999 graduation from medical training, Dr. Mona Chang integrates 67 Active CMS HCPCS Codes diagnostics for Williamsport metro patients.
Compared against Williamsport, PA Family Practice peers
2,166 annual services across 329 beneficiaries
Standard deviations from PA Family Practice mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Comprehensive Primary Care & Chronic Protocol Management | 811 | 50th | $102 – $140 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 599 | 55th | $78 – $107 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 232 | 45th | $117 – $161 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 174 | 52th | $25 – $40 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 116 | 48th | $140 – $192 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (67 HCPCS billing breadth) | 235 | 50th | $92 – $133 |
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Dr. Mona Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1639159825 (MD) | CMS NPPES Registry (17701) |
| Dr. Chang Williamsport CMS Volume Rank | 50.00th Pct (2,166 CMS svcs; Z +0.088σ) | CMS Medicare Part B (PA Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Williamsport, PA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 15 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.96/5 Listening • 4.60/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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