Dr. Margaret Duffy, MD
1230 S Cedar Crest Blvd Stes 301, 302, 304, Allentown, PA 18103 • +1-385-555-2006
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Allentown Percentiles
NPI #1518233881 • CBSA Regional • Nephrology
Within the Allentown, PA (CBSA local) Nephrology cohort, Dr. Margaret Duffy, MD with sub-specialty concentration in 27 Active CMS HCPCS Codes ranks at the 82.76th municipal percentile and 90.18th PA percentile (+0.86σ Z-score) based on 2,550 billed procedures for 568 patients.
Among 5 tracked CMS fee-schedule codes for Dr. Duffy (averaging 4.5 services per beneficiary), 99214 (Chronic Kidney Disease eGFR, uACR & Electrolyte Management) represents 34% of tracked volume (859 encounters), paired with 90960 (394x).
Self-pay new patient consultations with Dr. Duffy (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 12-minute average reception wait, and a 4.61/5 modern protocol openness score across 4 patient logs.
Credentialed as an MD specialist with 27 years post-graduation experience since completing medical school at an LCME/COCA institution (1999), Dr. Duffy coordinates 27 Active CMS HCPCS Codes workups from 1230 S Cedar Crest Blvd Stes 301, 302, 304 (+1-385-555-2006).
Compared against Allentown, PA Nephrology peers
2,550 annual services across 568 beneficiaries
Standard deviations from PA Nephrology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Chronic Kidney Disease eGFR, uACR & Electrolyte Management | 859 | 82.76th | $94 – $129 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 394 | 78.76th | $189 – $259 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 322 | 79.76th | $138 – $189 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 215 | 78.76th | $130 – $178 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (27 HCPCS billing breadth) | 761 | 82.76th | $82 – $119 |
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Dr. Margaret Duffy, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Duffy National Provider Identifier | NPI #1518233881 (MD) | CMS NPPES Registry (18103) |
| Dr. Duffy Allentown CMS Volume Rank | 82.76th Pct (2,550 CMS svcs; Z +0.863σ) | CMS Medicare Part B (PA Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Allentown, PA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 12 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.64/5 Listening • 4.61/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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