Dr. Johnathan Zhang, MD
3000 Q St Fl 3, Sacramento, CA 95816 • +1-898-555-1278
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Sacramento Percentiles
NPI #1346532132 • CBSA Regional • Gastroenterology
Operating out of Sacramento, CA (3000 Q St Fl 3), Gastroenterology clinician Dr. Johnathan Zhang, MD (accredited MD/DO training, 2018) maintains a focused low-volume boutique caseload (10.34th Sacramento percentile) (6.3th CA percentile; Z-score -0.35σ across 696 documented services) with sub-specialty concentration in 48 Active CMS HCPCS Codes.
Procedural volume for Dr. Zhang is led by HCPCS 99214 (Established Gastroenterology, GERD & IBD Evaluation — 258 annual services, $245–$336 GPCI cash estimate), followed by CPT 45380 (Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy, 174/yr) and CPT 43239 (Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy, 146/yr).
Self-pay new patient consultations with Dr. Zhang (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with hybrid in-clinic and telehealth video consults, 20-minute average reception wait, and a 4.51/5 modern protocol openness score across 20 patient logs.
Credentialed as an MD specialist with 8 years post-graduation experience since completing medical school at an LCME/COCA institution (2018), Dr. Zhang coordinates 48 Active CMS HCPCS Codes workups from 3000 Q St Fl 3 (+1-898-555-1278).
Compared against Sacramento, CA Gastroenterology peers
696 annual services across 322 beneficiaries
Standard deviations from CA 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 | 258 | 12th | $245 – $336 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 174 | 14.34th | $591 – $810 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 146 | 12th | $491 – $673 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 70 | 12th | $658 – $902 |
| 99204 | New Patient Digestive & Hepatology Consultation | 49 | 12th | $346 – $474 |
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Dr. Johnathan Zhang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Zhang National Provider Identifier | NPI #1346532132 (MD) | CMS NPPES Registry (95816) |
| Dr. Zhang Sacramento CMS Volume Rank | 10.34th Pct (696 CMS svcs; Z -0.351σ) | CMS Medicare Part B (CA Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Sacramento, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 20 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.72/5 Listening • 4.51/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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