Dr. John Chang, MD
11912 Sheldon Rd, Tampa, FL 33626 • +1-232-555-9942
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & Tampa Percentiles
NPI #1780692517 • CBSA 45300 • Gastroenterology
Dr. John Chang, MD (NPI #1780692517) practices Gastroenterology in Tampa, FL (33626) with sub-specialty concentration in 23 Active CMS HCPCS Codes, recording 6,691 annual CMS services across 266 distinct beneficiaries—placing this practice as a top-decile high-throughput specialist (90.48th percentile in Tampa) (+0.56σ vs FL state mean, 88.7th statewide percentile).
Among 5 tracked CMS fee-schedule codes for Dr. Chang (averaging 25.2 services per beneficiary), 99214 (Established Gastroenterology, GERD & IBD Evaluation) represents 37% of tracked volume (2476 encounters), paired with 45380 (1673x).
Uninsured and high-deductible cash patients visiting Dr. John Chang in Tampa (33626) face an estimated $210.00 initial evaluation fee at 11912 Sheldon Rd (hybrid in-clinic and telehealth video consults; 21-minute average reception wait; bedside manner 4.84/5 from 23 verified reports).
From 11912 Sheldon Rd in Tampa (+1-232-555-9942), Dr. Chang, MD (32-year clinical track record) delivers 23 Active CMS HCPCS Codes care.
Top 10% Gastroenterology volume leader in Tampa, FL
6,691 annual services across 266 beneficiaries
Standard deviations from FL Gastroenterology 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 Gastroenterology, GERD & IBD Evaluation | 2,476 | 90.48th | $50 – $68 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 1,673 | 94.48th | $120 – $165 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 1,405 | 87.48th | $100 – $137 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 669 | 89.48th | $134 – $183 |
| 99204 | New Patient Digestive & Hepatology Consultation | 468 | 89.48th | $70 – $96 |
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Dr. John Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1780692517 (MD) | CMS NPPES Registry (33626) |
| Dr. Chang Tampa CMS Volume Rank | 90.48th Pct (6,691 CMS svcs; Z +0.565σ) | CMS Medicare Part B (FL Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $210.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Tampa, FL) |
| Waiting-Room Wait Time & Cash Friendliness | $210.00 avg paid • 21 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.84/5 Listening • 4.71/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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