Dr. Elizabeth Hammer, MD
6740 4th Ave Fl 3, Brooklyn, NY 11220 • +1-698-555-5841
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & Brooklyn Percentiles
NPI #1104117340 • CBSA Regional • Nephrology
CMS Medicare Part B utilization records credit Dr. Elizabeth Hammer (MD, NPI 1104117340) at 6740 4th Ave Fl 3 in Brooklyn with 1,333 annual clinical services (322 beneficiaries), corresponding to a -0.23σ regional deviation and mid-cohort balanced caseload (53.85th Brooklyn percentile) with sub-specialty concentration in 25 Active CMS HCPCS Codes.
Dr. Hammer's longitudinal care intensity (4.1 billed units per patient across 322 individuals) centers on 99214 (640 annual units) and 90960 ($463–$634 cash range).
Cash-pay intake data for NPI 1104117340 (6740 4th Ave Fl 3, Brooklyn) indicates $232.00 typical out-of-pocket visit spend against a $232.00 locality benchmark, paired with 9-minute average reception wait and 4.60/5 biomarker openness.
Spanning 33 years of clinical practice following 1993 graduation from medical training, Dr. Elizabeth Hammer integrates 25 Active CMS HCPCS Codes diagnostics for Brooklyn metro patients.
Compared against Brooklyn, NY Nephrology peers
1,333 annual services across 322 beneficiaries
Standard deviations from NY 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 | 640 | 53.85th | $231 – $317 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 293 | 55.85th | $463 – $634 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 240 | 52.85th | $337 – $462 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 160 | 52.85th | $318 – $436 |
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Dr. Elizabeth Hammer, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hammer National Provider Identifier | NPI #1104117340 (MD) | CMS NPPES Registry (11220) |
| Dr. Hammer Brooklyn CMS Volume Rank | 53.85th Pct (1,333 CMS svcs; Z -0.226σ) | CMS Medicare Part B (NY Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Brooklyn, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 9 min lobby wait | 7 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.58/5 Listening • 4.60/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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