Dr. Mark Jonker, MD
79 Retreat Avenue, Hartford Hospital, Adult Primary Care- Brown Stone, Hartford, CT 06106 • +1-845-555-8003
Medical Education: Accredited U.S. Medical School (Class of 2007)
What This Doctor Actually Performs: CMS Medicare Utilization & Hartford Percentiles
NPI #1780030452 • CBSA Regional • Internal Medicine
CMS Medicare Part B utilization records credit Dr. Mark Jonker (MD, NPI 1780030452) at 79 Retreat Avenue, Hartford Hospital, Adult Primary Care- Brown Stone in Hartford with 656 annual clinical services (204 beneficiaries), corresponding to a -0.25σ regional deviation and focused low-volume boutique caseload (5.71th Hartford percentile) with sub-specialty concentration in 8 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Mark Jonker (06106) place 99214 at the top of the practice ledger (295 yearly units, 12th metro rank), rounded out by 99213 and 93000.
For out-of-network patients contacting +1-845-555-8003, Dr. Jonker's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.57/5 composite reality score over 12 submissions).
Clinical background for Dr. Jonker (MD, NPI #1780030452) includes accredited doctoral training (2007, 19 yrs in practice) and dedicated on-site consultations at 79 Retreat Avenue, Hartford Hospital, Adult Primary Care- Brown Stone.
Compared against Hartford, CT Internal Medicine peers
656 annual services across 204 beneficiaries
Standard deviations from CT 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 | 295 | 12th | $154 – $212 |
| 99213 | Established Preventive & Chronic Care Visit | 171 | 12th | $118 – $162 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 85 | 12th | $56 – $77 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 66 | 12th | $181 – $248 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 39 | 12th | $215 – $294 |
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Dr. Mark Jonker, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Jonker National Provider Identifier | NPI #1780030452 (MD) | CMS NPPES Registry (06106) |
| Dr. Jonker Hartford CMS Volume Rank | 5.71th Pct (656 CMS svcs; Z -0.252σ) | CMS Medicare Part B (CT Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Hartford, CT) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 12 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.71/5 Listening • 4.93/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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