Dr. Marissa Karpoff, MD
1935 Route 70 E Fl 2, Cherry Hill, NJ 08003 • +1-620-555-2813
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Cherry Hill Percentiles
NPI #1659613347 • CBSA Regional • Rheumatology
Anchored in Cherry Hill, NJ 08003, Dr. Marissa Karpoff, MD (NPI 1659613347) logged 5,694 annual procedures (top-decile high-throughput specialist (99th percentile in Cherry Hill), 21.99th NJ percentile, -0.67σ) with sub-specialty concentration in 19 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 1935 Route 70 E Fl 2 shows Dr. Marissa Karpoff's primary concentration in Autoimmune Arthritis & Biologic/DMARD Safety Evaluation (code 99214: 189x/yr, 99th local percentile) alongside Large Joint Synovial Arthrocentesis or Corticosteroid Injection (20610: 86x/yr, $36–$51).
Direct cash-pay transparency modeling sets Dr. Karpoff's baseline new-consult rate near $209.00 in Cherry Hill, NJ (cash-pay accepted, hybrid in-clinic and telehealth video consults, 16-minute average reception wait).
Credentialed as an MD specialist with 27 years post-graduation experience since completing medical school at an LCME/COCA institution (1999), Dr. Karpoff coordinates 19 Active CMS HCPCS Codes workups from 1935 Route 70 E Fl 2 (+1-620-555-2813).
Top 10% Rheumatology volume leader in Cherry Hill, NJ
5,694 annual services across 217 beneficiaries
Standard deviations from NJ Rheumatology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Autoimmune Arthritis & Biologic/DMARD Safety Evaluation | 189 | 99th | $45 – $62 |
| 20610 | Large Joint Synovial Arthrocentesis or Corticosteroid Injection | 86 | 97th | $36 – $51 |
| 96413 | Intravenous Biologic Infusion Therapy (First Hour) | 62 | 95th | $62 – $85 |
| 76881 | Complete Joint Synovitis High-Resolution Ultrasound | 41 | 96th | $47 – $65 |
| 99204 | New Patient Autoimmune & Rheumatology Diagnostic Workup | 33 | 99th | $62 – $85 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (19 HCPCS billing breadth) | 5,284 | 99th | $45 – $65 |
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Dr. Marissa Karpoff, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Karpoff National Provider Identifier | NPI #1659613347 (MD) | CMS NPPES Registry (08003) |
| Dr. Karpoff Cherry Hill CMS Volume Rank | 99.00th Pct (5,694 CMS svcs; Z -0.673σ) | CMS Medicare Part B (NJ Rheumatology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Cherry Hill, NJ) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 16 min lobby wait | 22 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.66/5 Listening • 4.45/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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