Dr. David Grambow, MD
2350 N Lake DR, Suite 400, Milwaukee, WI 53211 • +1-593-555-7920
Medical Education: Accredited U.S. Medical School (Class of 1997)
What This Doctor Actually Performs: CMS Medicare Utilization & Milwaukee Percentiles
NPI #1235178674 • CBSA Regional • Interventional Cardiology
CMS Medicare Part B utilization records credit Dr. David Grambow (MD, NPI 1235178674) at 2350 N Lake DR, Suite 400 in Milwaukee with 1,933 annual clinical services (1,008 beneficiaries), corresponding to a -0.42σ regional deviation and focused low-volume boutique caseload (31.58th Milwaukee percentile) with sub-specialty concentration in 36 Active CMS HCPCS Codes.
Dr. Grambow's longitudinal care intensity (1.9 billed units per patient across 1008 individuals) centers on 99214 (870 annual units) and 99213 ($50–$69 cash range).
At 2350 N Lake DR, Suite 400 (53211), Dr. David Grambow, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.92/5 bedside rating).
Spanning 29 years of clinical practice following 1997 graduation from medical training, Dr. David Grambow integrates 36 Active CMS HCPCS Codes diagnostics for Milwaukee metro patients.
Compared against Milwaukee, WI Interventional Cardiology peers
1,933 annual services across 1,008 beneficiaries
Standard deviations from WI Interventional Cardiology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 870 | 31.58th | $66 – $90 |
| 99213 | Established Preventive & Chronic Care Visit | 503 | 35.58th | $50 – $69 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 251 | 26.58th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 193 | 32.58th | $77 – $106 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 116 | 27.58th | $92 – $126 |
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Dr. David Grambow, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Grambow National Provider Identifier | NPI #1235178674 (MD) | CMS NPPES Registry (53211) |
| Dr. Grambow Milwaukee CMS Volume Rank | 31.58th Pct (1,933 CMS svcs; Z -0.417σ) | CMS Medicare Part B (WI Interventional Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Milwaukee, WI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 14 min lobby wait | 14 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.92/5 Listening • 4.44/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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