Dr. Diane Kamen, MD
171 Ashley Ave, Charleston, SC 29425 • +1-651-555-5544
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Charleston Percentiles
NPI #1043328909 • CBSA Regional • Rheumatology
Within the Charleston, SC (CBSA local) Rheumatology cohort, Dr. Diane Kamen, MD with sub-specialty concentration in 39 Active CMS HCPCS Codes ranks at the 55.56th municipal percentile and 25.81th SC percentile (-0.83σ Z-score) based on 13,113 billed procedures for 146 patients.
Among 6 tracked CMS fee-schedule codes for Dr. Kamen (averaging 89.8 services per beneficiary), 99214 (Autoimmune Arthritis & Biologic/DMARD Safety Evaluation) represents 2% of tracked volume (198 encounters), paired with 20610 (91x).
For out-of-network patients contacting +1-651-555-5544, Dr. Kamen's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.61/5 composite reality score over 24 submissions).
Spanning 10 years of clinical practice following 2016 graduation from medical training, Dr. Diane Kamen integrates 39 Active CMS HCPCS Codes diagnostics for Charleston metro patients.
Compared against Charleston, SC Rheumatology peers
13,113 annual services across 146 beneficiaries
Standard deviations from SC 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 | 198 | 55.56th | $45 – $62 |
| 20610 | Large Joint Synovial Arthrocentesis or Corticosteroid Injection | 91 | 57.56th | $36 – $51 |
| 96413 | Intravenous Biologic Infusion Therapy (First Hour) | 65 | 55.56th | $62 – $85 |
| 76881 | Complete Joint Synovitis High-Resolution Ultrasound | 43 | 59.56th | $47 – $65 |
| 99204 | New Patient Autoimmune & Rheumatology Diagnostic Workup | 34 | 50.56th | $62 – $85 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (39 HCPCS billing breadth) | 12,682 | 55.56th | $45 – $65 |
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Dr. Diane Kamen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Kamen National Provider Identifier | NPI #1043328909 (MD) | CMS NPPES Registry (29425) |
| Dr. Kamen Charleston CMS Volume Rank | 55.56th Pct (13,113 CMS svcs; Z -0.826σ) | CMS Medicare Part B (SC Rheumatology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Charleston, SC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 22 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.63/5 Listening • 4.54/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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