Dr. Mark Chang, MD
2 Medical Park DR., West Nyac, NY 10994 • +1-271-555-3988
Medical Education: Accredited U.S. Medical School (Class of 2008)
What This Doctor Actually Performs: CMS Medicare Utilization & West Nyac Percentiles
NPI #1356564934 • CBSA Regional • Urology
Within the West Nyac, NY (CBSA local) Urology cohort, Dr. Mark Chang, MD with sub-specialty concentration in 69 Active CMS HCPCS Codes ranks at the 99th municipal percentile and 71.4th NY percentile (-0.06σ Z-score) based on 7,175 billed procedures for 918 patients.
Dr. Chang's longitudinal care intensity (7.8 billed units per patient across 918 individuals) centers on 99214 (1973 annual units) and 51798 ($37–$52 cash range).
At 2 Medical Park DR. (10994), Dr. Mark Chang, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$232.00 per new consult (4.93/5 bedside rating).
Credentialed as an MD specialist with 18 years post-graduation experience since completing medical school at an LCME/COCA institution (2008), Dr. Chang coordinates 69 Active CMS HCPCS Codes workups from 2 Medical Park DR. (+1-271-555-3988).
Top 10% Urology volume leader in West Nyac, NY
7,175 annual services across 918 beneficiaries
Standard deviations from NY Urology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Urologic, BPH & Androgen Evaluation | 1,973 | 99th | $88 – $120 |
| 51798 | Ultrasound Measurement of Post-Void Residual Urine Capacity | 1,480 | 99.5th | $37 – $52 |
| 52000 | Diagnostic Cystourethroscopy Lower Urinary Tract Inspection | 932 | 99.5th | $179 – $246 |
| 51741 | Complex Electronic Uroflowmetry Stream Calibration | 658 | 97th | $50 – $68 |
| 99204 | New Patient Urologic & Prostate Diagnostic Consultation | 438 | 97th | $124 – $169 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (69 HCPCS billing breadth) | 1,694 | 99th | $79 – $115 |
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Dr. Mark Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1356564934 (MD) | CMS NPPES Registry (10994) |
| Dr. Chang West Nyac CMS Volume Rank | 99.00th Pct (7,175 CMS svcs; Z -0.060σ) | CMS Medicare Part B (NY Urology) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (West Nyac, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 11 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.93/5 Listening • 4.41/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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