Dr. Karl Marzec, MD
7901 Frost St, San Diego, CA 92123 • +1-575-555-5754
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & San Diego Percentiles
NPI #1447520473 • CBSA Regional • Emergency Medicine
Dr. Karl Marzec, MD (NPI #1447520473) practices Emergency Medicine in San Diego, CA (92123) with sub-specialty concentration in 50 Active CMS HCPCS Codes, recording 646 annual CMS services across 351 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (3.17th San Diego percentile) (-0.29σ vs CA state mean, 4.01th statewide percentile).
Among 6 tracked CMS fee-schedule codes for Dr. Marzec (averaging 1.8 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 40% of tracked volume (258 encounters), paired with 99213 (149x).
At 7901 Frost St (92123), Dr. Karl Marzec, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$239.00 per new consult (4.83/5 bedside rating).
Clinical background for Dr. Marzec (MD, NPI #1447520473) includes accredited doctoral training (2018, 8 yrs in practice) and virtual + in-office availability across CA.
Compared against San Diego, CA Emergency Medicine peers
646 annual services across 351 beneficiaries
Standard deviations from CA Emergency 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 | 258 | 12th | $157 – $215 |
| 99213 | Established Preventive & Chronic Care Visit | 149 | 12th | $120 – $164 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 75 | 12th | $57 – $78 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 57 | 12th | $184 – $252 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 34 | 12th | $218 – $299 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (50 HCPCS billing breadth) | 72 | 3.17th | $141 – $204 |
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Dr. Karl Marzec, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Marzec National Provider Identifier | NPI #1447520473 (MD) | CMS NPPES Registry (92123) |
| Dr. Marzec San Diego CMS Volume Rank | 3.17th Pct (646 CMS svcs; Z -0.295σ) | CMS Medicare Part B (CA Emergency Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (San Diego, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 15 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.83/5 Listening • 4.93/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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