Dr. John Zak, MD
570 Memorial Cir Ste 110, Ormond Beach, FL 32174 • +1-853-555-6316
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Ormond Beach Percentiles
NPI #1548210594 • CBSA Regional • Gastroenterology
Operating out of Ormond Beach, FL (570 Memorial Cir Ste 110), Gastroenterology clinician Dr. John Zak, MD (accredited MD/DO training, 1999) maintains a top-decile high-throughput specialist (99th percentile in Ormond Beach) (23.36th FL percentile; Z-score -0.41σ across 938 documented services) with sub-specialty concentration in 29 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1548210594 highlights 347 annual claims for 99214 (99th Ormond Beach percentile; $253–$346 self-pay corridor) plus 235 encounters under 45380 and 197 under 43239.
At 570 Memorial Cir Ste 110 (32174), Dr. John Zak, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$216.00 per new consult (4.55/5 bedside rating).
Patients evaluating Dr. John Zak in ZIP 32174 note 27 years of post-doctoral tenure (null, 1999) alongside 2.8 annual CMS procedures per patient.
Top 10% Gastroenterology volume leader in Ormond Beach, FL
938 annual services across 337 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 | 347 | 99th | $253 – $346 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 235 | 98th | $609 – $834 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 197 | 95th | $505 – $693 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 94 | 99.5th | $678 – $929 |
| 99204 | New Patient Digestive & Hepatology Consultation | 66 | 99.5th | $356 – $488 |
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Dr. John Zak, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Zak National Provider Identifier | NPI #1548210594 (MD) | CMS NPPES Registry (32174) |
| Dr. Zak Ormond Beach CMS Volume Rank | 99.00th Pct (938 CMS svcs; Z -0.405σ) | CMS Medicare Part B (FL Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $216.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Ormond Beach, FL) |
| Waiting-Room Wait Time & Cash Friendliness | $216.00 avg paid • 16 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.72/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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