Dr. John Gelzhiser, MD
455 Toll Gate Rd, Warwick, RI 02886 • +1-539-555-3185
Medical Education: Accredited U.S. Medical School (Class of 2010)
What This Doctor Actually Performs: CMS Medicare Utilization & Warwick Percentiles
NPI #1013100759 • CBSA Regional • Internal Medicine
Dr. John Gelzhiser, MD (NPI #1013100759) practices Internal Medicine in Warwick, RI (02886) with sub-specialty concentration in 6 Active CMS HCPCS Codes, recording 805 annual CMS services across 364 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (20th Warwick percentile) (-0.23σ vs RI state mean, 30.39th statewide percentile).
Granular CPT/HCPCS billing distribution at 455 Toll Gate Rd shows Dr. John Gelzhiser's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 362x/yr, 20th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 209x/yr, $161–$221).
Direct cash-pay transparency modeling sets Dr. Gelzhiser's baseline new-consult rate near $209.00 in Warwick, RI (cash-pay accepted, in-person clinic visits only, 10-minute average reception wait).
Patients evaluating Dr. John Gelzhiser in ZIP 02886 note 16 years of post-doctoral tenure (null, 2010) alongside 2.2 annual CMS procedures per patient.
Compared against Warwick, RI Internal Medicine peers
805 annual services across 364 beneficiaries
Standard deviations from RI Internal Medicine mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 362 | 20th | $211 – $289 |
| 99213 | Established Preventive & Chronic Care Visit | 209 | 17th | $161 – $221 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 105 | 16th | $77 – $105 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 81 | 23th | $247 – $339 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 48 | 20th | $293 – $401 |
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Dr. John Gelzhiser, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Gelzhiser National Provider Identifier | NPI #1013100759 (MD) | CMS NPPES Registry (02886) |
| Dr. Gelzhiser Warwick CMS Volume Rank | 20.00th Pct (805 CMS svcs; Z -0.231σ) | CMS Medicare Part B (RI Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Warwick, RI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 10 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.77/5 Listening • 4.74/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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