Dr. Joanna Denis, MD
415 Parsippany Rd, Parsippany, NJ 07054 • +1-526-555-6277
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Parsippany Percentiles
NPI #1528129475 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across NJ Internal Medicine providers positions Dr. Joanna Denis, MD in Parsippany at +0.39σ (92.31th city percentile / 91.09th state percentile, 264 Medicare beneficiaries), with clinical focus spanning 32 Active CMS HCPCS Codes.
Procedural volume for Dr. Denis is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 2087 annual services, $114–$156 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 1206/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 603/yr).
Uninsured and high-deductible cash patients visiting Dr. Joanna Denis in Parsippany (07054) face an estimated $209.00 initial evaluation fee at 415 Parsippany Rd (in-person clinic visits only; 18-minute average reception wait; bedside manner 4.71/5 from 18 verified reports).
From 415 Parsippany Rd in Parsippany (+1-526-555-6277), Dr. Denis, MD (28-year clinical track record) delivers 32 Active CMS HCPCS Codes care.
Top 10% Internal Medicine volume leader in Parsippany, NJ
5,140 annual services across 264 beneficiaries
Standard deviations from NJ 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 | 2,087 | 92.31th | $114 – $156 |
| 99213 | Established Preventive & Chronic Care Visit | 1,206 | 92.31th | $87 – $119 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 603 | 89.31th | $41 – $57 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 464 | 87.31th | $133 – $183 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 278 | 92.31th | $158 – $217 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (32 HCPCS billing breadth) | 503 | 92.31th | $102 – $148 |
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Dr. Joanna Denis, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Denis National Provider Identifier | NPI #1528129475 (MD) | CMS NPPES Registry (07054) |
| Dr. Denis Parsippany CMS Volume Rank | 92.31th Pct (5,140 CMS svcs; Z +0.392σ) | CMS Medicare Part B (NJ Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Parsippany, NJ) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 18 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.71/5 Listening • 4.86/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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