Dr. Joseph Mermelstein, MD
550 Mamaroneck Avenue, Suite 302, Scarsdale, NY 10583 • +1-296-555-3775
Medical Education: Accredited U.S. Medical School (Class of 2011)
What This Doctor Actually Performs: CMS Medicare Utilization & Scarsdale Percentiles
NPI #1689963662 • CBSA Regional • Gastroenterology
Statistical peer benchmarking across NY Gastroenterology providers positions Dr. Joseph Mermelstein, MD in Scarsdale at -0.41σ (50th city percentile / 25.05th state percentile, 478 Medicare beneficiaries), with clinical focus spanning 30 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Joseph Mermelstein (10583) place 99214 at the top of the practice ledger (315 yearly units, 50th metro rank), rounded out by 45380 and 43239.
For out-of-network patients contacting +1-296-555-3775, Dr. Mermelstein's practice posts a $232.00 GPCI self-pay consult estimate ($232.00 patient-logged median, 4.69/5 composite reality score over 4 submissions).
From 550 Mamaroneck Avenue, Suite 302 in Scarsdale (+1-296-555-3775), Dr. Mermelstein, MD (15-year clinical track record) delivers 30 Active CMS HCPCS Codes care.
Compared against Scarsdale, NY Gastroenterology peers
851 annual services across 478 beneficiaries
Standard deviations from NY Gastroenterology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Gastroenterology, GERD & IBD Evaluation | 315 | 50th | $293 – $402 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 213 | 50th | $707 – $969 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 179 | 49th | $587 – $804 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 85 | 46th | $787 – $1078 |
| 99204 | New Patient Digestive & Hepatology Consultation | 60 | 54th | $413 – $567 |
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Dr. Joseph Mermelstein, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mermelstein National Provider Identifier | NPI #1689963662 (MD) | CMS NPPES Registry (10583) |
| Dr. Mermelstein Scarsdale CMS Volume Rank | 50.00th Pct (851 CMS svcs; Z -0.407σ) | CMS Medicare Part B (NY Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Scarsdale, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 16 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.61/5 Listening • 4.84/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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