Dr. Mark Grossklaus, MD
717 W Moreland Blvd, Prohealth Care Medical Associates Moreland Family Medi, Waukesha, WI 53188 • +1-313-555-8450
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Waukesha Percentiles
NPI #1255403101 • CBSA Regional • Family Practice
Anchored in Waukesha, WI 53188, Dr. Mark Grossklaus, MD (NPI 1255403101) logged 5,853 annual procedures (top-decile high-throughput specialist (92.86th percentile in Waukesha), 94.89th WI percentile, +1.24σ) with sub-specialty concentration in 43 Active CMS HCPCS Codes.
Dr. Grossklaus's longitudinal care intensity (3.5 billed units per patient across 1663 individuals) centers on 99214 (1642 annual units) and 99213 ($33–$48 cash range).
Self-pay new patient consultations with Dr. Grossklaus (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 4.89/5 modern protocol openness score across 14 patient logs.
From 717 W Moreland Blvd, Prohealth Care Medical Associates Moreland Family Medi in Waukesha (+1-313-555-8450), Dr. Grossklaus, MD (23-year clinical track record) delivers 43 Active CMS HCPCS Codes care.
Top 10% Family Practice volume leader in Waukesha, WI
5,853 annual services across 1,663 beneficiaries
Standard deviations from WI Family Practice mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Comprehensive Primary Care & Chronic Protocol Management | 1,642 | 92.86th | $43 – $60 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 1,212 | 93.86th | $33 – $48 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 469 | 90.86th | $50 – $68 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 352 | 87.86th | $25 – $40 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 235 | 93.86th | $60 – $82 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (43 HCPCS billing breadth) | 1,943 | 92.86th | $45 – $65 |
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Dr. Mark Grossklaus, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Grossklaus National Provider Identifier | NPI #1255403101 (MD) | CMS NPPES Registry (53188) |
| Dr. Grossklaus Waukesha CMS Volume Rank | 92.86th Pct (5,853 CMS svcs; Z +1.240σ) | CMS Medicare Part B (WI Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Waukesha, WI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 12 min lobby wait | 14 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.62/5 Listening • 4.89/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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