Dr. Karl Zimmerman, MD
127 W Street Rd, Suite 101, Kennett Square, PA 19348 • +1-881-555-8151
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & Kennett Square Percentiles
NPI #1154439966 • CBSA Regional • Internal Medicine
Operating out of Kennett Square, PA (127 W Street Rd, Suite 101), Internal Medicine clinician Dr. Karl Zimmerman, MD (accredited MD/DO training, 1994) maintains a upper-quartile active clinical volume (66.67th Kennett Square percentile) (91.66th PA percentile; Z-score +0.28σ across 4,013 documented services) with sub-specialty concentration in 43 Active CMS HCPCS Codes.
Procedural volume for Dr. Zimmerman is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 1642 annual services, $118–$162 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 949/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 474/yr).
Direct cash-pay transparency modeling sets Dr. Zimmerman's baseline new-consult rate near $209.00 in Kennett Square, PA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 15-minute average reception wait).
Patients evaluating Dr. Karl Zimmerman in ZIP 19348 note 32 years of post-doctoral tenure (null, 1994) alongside 6.6 annual CMS procedures per patient.
Compared against Kennett Square, PA Internal Medicine peers
4,013 annual services across 610 beneficiaries
Standard deviations from PA 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 | 1,642 | 66.67th | $118 – $162 |
| 99213 | Established Preventive & Chronic Care Visit | 949 | 69.67th | $91 – $124 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 474 | 68.67th | $43 – $59 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 365 | 65.67th | $139 – $190 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 219 | 63.67th | $165 – $226 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (43 HCPCS billing breadth) | 364 | 66.67th | $107 – $155 |
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Dr. Karl Zimmerman, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Zimmerman National Provider Identifier | NPI #1154439966 (MD) | CMS NPPES Registry (19348) |
| Dr. Zimmerman Kennett Square CMS Volume Rank | 66.67th Pct (4,013 CMS svcs; Z +0.277σ) | CMS Medicare Part B (PA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Kennett Square, PA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 15 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.83/5 Listening • 4.88/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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