| Clinic Lease |
Fixed |
Use $12,000 per month in the operating overhead base. |
Spreading rent per visit and hiding the true monthly hurdle. |
| Malpractice Insurance |
Fixed |
Use $4,500 per month until the policy or coverage level changes. |
Treating insurance as a percent of revenue. |
| Electronic Medical Record Software |
Fixed |
Use $1,200 per month as recurring software overhead. |
Mixing recurring software fees with one-time implementation spend. |
| Equipment Maintenance |
Fixed |
Use $1,200 per month for the planning range in the model. |
Assuming maintenance rises with every treatment session. |
| High-Cost Pharmaceuticals |
Variable |
Model as 38% of first-year revenue, then 37%, 36%, 35%, and 34% by year. |
Using a flat dollar amount despite treatment mix and volume changes. |
| Biologic Administration Supplies |
Variable |
Model as 12% of revenue across the forecast period. |
Putting clinical supplies into fixed overhead. |
| Marketing and Patient Acquisition |
Semi-variable |
Model as 30% of first-year revenue, falling to 22% by Year 5 as demand matures. |
Leaving acquisition spend flat while patient volume scales. |
| Provider and Support Payroll |
Semi-fixed |
Step payroll up as full-time equivalent counts rise for dermatologists, assistants, nurses, technicians, billing, reception, and management. |
Treating all payroll as visit-level expense instead of capacity added in blocks. |