Dr. Mark Sundermeyer, MD
4921 Parkview Pl, Div IM Medical Oncology, Ste 7a, 7b, 7c, Saint Louis, MO 63110 • +1-839-555-1908
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Saint Louis Percentiles
NPI #1386690337 • CBSA Regional • Medical Oncology
Operating out of Saint Louis, MO (4921 Parkview Pl, Div IM Medical Oncology, Ste 7a, 7b, 7c), Medical Oncology clinician Dr. Mark Sundermeyer, MD (accredited MD/DO training, 1999) maintains a mid-cohort balanced caseload (58.62th Saint Louis percentile) (62.96th MO percentile; Z-score -0.01σ across 34,224 documented services) with sub-specialty concentration in 115 Active CMS HCPCS Codes.
Procedural volume for Dr. Sundermeyer is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 461 annual services, $45–$62 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 267/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 133/yr).
Uninsured and high-deductible cash patients visiting Dr. Mark Sundermeyer in Saint Louis (63110) face an estimated $209.00 initial evaluation fee at 4921 Parkview Pl, Div IM Medical Oncology, Ste 7a, 7b, 7c (hybrid in-clinic and telehealth video consults; 20-minute average reception wait; bedside manner 4.79/5 from 4 verified reports).
Clinical background for Dr. Sundermeyer (MD, NPI #1386690337) includes accredited doctoral training (1999, 27 yrs in practice) and virtual + in-office availability across MO.
Compared against Saint Louis, MO Medical Oncology peers
34,224 annual services across 330 beneficiaries
Standard deviations from MO Medical Oncology 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 | 461 | 58.62th | $45 – $62 |
| 99213 | Established Preventive & Chronic Care Visit | 267 | 60.62th | $35 – $50 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 133 | 53.62th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 103 | 56.62th | $53 – $73 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 62 | 61.62th | $63 – $86 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (115 HCPCS billing breadth) | 33,199 | 58.62th | $45 – $65 |
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Dr. Mark Sundermeyer, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Sundermeyer National Provider Identifier | NPI #1386690337 (MD) | CMS NPPES Registry (63110) |
| Dr. Sundermeyer Saint Louis CMS Volume Rank | 58.62th Pct (34,224 CMS svcs; Z -0.014σ) | CMS Medicare Part B (MO Medical Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Saint Louis, MO) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 20 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.79/5 Listening • 4.69/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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