Dr. John Poremba, MD
17 Riverside St Ste 202, Nashua, NH 03062 • +1-537-555-8208
Medical Education: Accredited U.S. Medical School (Class of 2014)
What This Doctor Actually Performs: CMS Medicare Utilization & Nashua Percentiles
NPI #1104829506 • CBSA Regional • Endocrinology
CMS Medicare Part B utilization records credit Dr. John Poremba (MD, NPI 1104829506) at 17 Riverside St Ste 202 in Nashua with 5,127 annual clinical services (312 beneficiaries), corresponding to a +0.54σ regional deviation and focused low-volume boutique caseload (25th Nashua percentile) with sub-specialty concentration in 21 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1104829506 highlights 571 annual claims for 99214 (25th Nashua percentile; $49–$67 self-pay corridor) plus 285 encounters under 95251 and 208 under 76536.
Cash-pay intake data for NPI 1104829506 (17 Riverside St Ste 202, Nashua) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 16-minute average reception wait and 4.55/5 biomarker openness.
Clinical background for Dr. Poremba (MD, NPI #1104829506) includes accredited doctoral training (2014, 12 yrs in practice) and virtual + in-office availability across NH.
Compared against Nashua, NH Endocrinology peers
5,127 annual services across 312 beneficiaries
Standard deviations from NH Endocrinology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Complex Endocrine, Thyroid & Metabolic Biomarker Management | 571 | 25th | $49 – $67 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 285 | 23th | $30 – $45 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 208 | 20th | $59 – $81 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 156 | 27th | $67 – $92 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 78 | 23th | $75 – $103 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (21 HCPCS billing breadth) | 3,830 | 25th | $45 – $65 |
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Dr. John Poremba, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Poremba National Provider Identifier | NPI #1104829506 (MD) | CMS NPPES Registry (03062) |
| Dr. Poremba Nashua CMS Volume Rank | 25.00th Pct (5,127 CMS svcs; Z +0.540σ) | CMS Medicare Part B (NH Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Nashua, NH) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 16 min lobby wait | 22 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.87/5 Listening • 4.55/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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