Dr. Kathryn Diemer, MD
10 Barnes West DR, Div IM Bone and Mineral, Ste 200, Saint Louis, MO 63141 • +1-642-555-7846
Medical Education: Accredited U.S. Medical School (Class of 2004)
What This Doctor Actually Performs: CMS Medicare Utilization & Saint Louis Percentiles
NPI #1891713590 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across MO Internal Medicine providers positions Dr. Kathryn Diemer, MD in Saint Louis at +1.69σ (97.4th city percentile / 98.83th state percentile, 1,576 Medicare beneficiaries), with clinical focus spanning 25 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Kathryn Diemer (63141) place 99214 at the top of the practice ledger (1517 yearly units, 97.4th metro rank), rounded out by 99213 and 93000.
Cash-pay intake data for NPI 1891713590 (10 Barnes West DR, Div IM Bone and Mineral, Ste 200, Saint Louis) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 22-minute average reception wait and 4.44/5 biomarker openness.
From 10 Barnes West DR, Div IM Bone and Mineral, Ste 200 in Saint Louis (+1-642-555-7846), Dr. Diemer, MD (22-year clinical track record) delivers 25 Active CMS HCPCS Codes care.
Top 10% Internal Medicine volume leader in Saint Louis, MO
26,404 annual services across 1,576 beneficiaries
Standard deviations from MO Internal Medicine 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 | 1,517 | 97.4th | $43 – $60 |
| 99213 | Established Preventive & Chronic Care Visit | 876 | 99.5th | $33 – $48 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 438 | 97.4th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 337 | 99.4th | $51 – $70 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 202 | 99.4th | $60 – $83 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (25 HCPCS billing breadth) | 23,033 | 97.4th | $45 – $65 |
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Dr. Kathryn Diemer, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Diemer National Provider Identifier | NPI #1891713590 (MD) | CMS NPPES Registry (63141) |
| Dr. Diemer Saint Louis CMS Volume Rank | 97.40th Pct (26,404 CMS svcs; Z +1.687σ) | CMS Medicare Part B (MO Internal Medicine) |
| 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 • 22 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.74/5 Listening • 4.44/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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