Profit But No Cash in a Medical Practice (Where the Money Actually Goes)

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"The Practice Is Profitable. Why Am I Always Short on Cash?"

This question comes up in almost every conversation I have with new medical practice owners. The P&L looks reasonable. Production is up year over year. But the bank account never feels healthy, and the owner physician is wondering if the practice is actually as profitable as the report says.

Medical practices have one of the longest cash conversion cycles of any small business. Treatment is performed, the claim goes out, the payor adjudicates, the EOB posts, the patient portion gets billed, the patient pays (or appeals, or sends to collections, or never pays). The full cycle from chair time to collected cash can easily run 60 to 120 days for a clean claim, longer for anything with a denial or appeal.

Meanwhile, payroll runs every two weeks. Rent is due monthly. Equipment loans are due monthly. The mismatch between when revenue is earned and when cash arrives is structural to medical practice.

This post is the medical specific version of the cash flow problem. For the broader concept across all small businesses, our post on why your business shows profit but you're always short on cash covers the general dynamics.

The Five Specific Places Medical Practice Cash Goes

Almost every medical practice with a profit but no cash problem has the money going to one or more of these five places.

1. Third Party Payor Reimbursement Lag

This is the biggest single cash drain in most medical practices.

A patient visit produces a coded claim that goes to the payor. The payor adjudicates the claim, and if everything is clean, the payment posts in 14 to 45 days. If the claim is denied (missing information, incorrect coding, eligibility issue), the appeal process can stretch the cycle to 90 to 180 days or beyond.

The P&L recognizes the revenue at the time of service. The bank account recognizes the revenue when the payor actually pays. The gap between those two events is structural cash drain.

2. Denied Claim and Appeal Aging

Beyond the normal lag, denied claims create a specific cash hole. The denied claim has produced revenue on the P&L. The cash has not arrived, and may never arrive, depending on the denial reason and the practice's appeal capability.

Practices that do not work denials aggressively accumulate denied claim balances on the books that will never collect. The revenue stays on the books until it is written off. The cash never appears.

The right metric to watch is the percentage of claims denied on first submission and the percentage of denied claims successfully appealed. Practices that are not measuring these are usually losing cash without knowing it.

3. Equipment Financing and Lease Payments

The principal portion of loan and equipment lease payments is not an expense on the P&L. It is a balance sheet item (loan principal reduction). But it absolutely shows up in the bank account.

A medical practice with significant equipment loans (imaging equipment, exam room build out, EHR implementation costs financed) can be losing tens of thousands of dollars per month to debt service that does not appear as expense on the P&L. If the practice's net income looks healthy because interest expense is small, but the principal payments are large, the cash impact is much bigger than the P&L suggests.

4. Owner Physician Draws and Distributions

For sole proprietors and default LLCs, owner draws do not appear as expenses on the P&L. They reduce owner equity on the balance sheet. A practice can show strong profit on the P&L and feel cash poor if the owner physician is drawing aggressively for personal expenses.

For S corporation owners, salary appears on the P&L (it runs through payroll), but distributions do not. The practice can be profitable after the owner's salary and still feel cash poor because the owner is also taking large distributions.

5. Quarterly Estimated Taxes

For pass through entities, the practice's income passes through to the owner physician's personal return. The owner pays the federal income tax personally, but the cash to pay it comes from distributions from the practice.

If the owner is distributing enough to cover personal living expenses plus quarterly estimated taxes, the practice cash account drops by the full amount. The federal income tax does not appear as an expense on the practice P&L (it is the owner's personal tax), but it leaves the practice's cash via distribution.

Our post on quarterly estimated taxes for high income professional practice owners covers the timing in more detail.

How to Diagnose Which Leak Is Yours

The diagnostic is to look at the balance sheet alongside the P&L. The P&L tells you what was earned. The balance sheet tells you what happened to the cash.

Reimbursement Lag Signs

  • Aged A/R balance has grown month over month
  • Days in A/R metric has climbed (a common benchmark for primary care is in the 30 to 50 day range; specialty practices vary)
  • Insurance receivable as a percentage of monthly charges has increased
  • Patient receivable has grown without a corresponding collection effort

Denied Claim Signs

  • The percentage of claims denied on first submission is high (over 5 to 10% is a warning sign for most specialties)
  • Aged claims over 90 days are climbing
  • The practice has no clear process for working denials

If aged A/R or denied claim balances are climbing, the cash is sitting in unpaid claims. Working denials, tightening front end coding and eligibility verification, and (in some cases) outsourcing medical billing can recover real cash.

Equipment Debt Signs

  • Multiple equipment loans, build out loans, and working capital loans active at the same time
  • Total monthly debt service is large relative to net income
  • Interest expense on the P&L is small relative to total debt service

Owner Draw Signs

  • Draws are irregular and large
  • Draws have ramped up over the past 12 months
  • Personal lifestyle expenses have grown beyond what the practice can sustainably support

Tax Payment Signs

  • Personal account is fine after distributions until quarterly tax dates
  • April 15, June 15, September 15, January 15 produce big personal cash drains funded by practice distributions

What to Actually Do

The fix depends on the diagnosis.

For Reimbursement Lag

  • Audit front end eligibility verification
  • Tighten coding and documentation processes
  • Set up clear denial workflows with named responsibility
  • Consider whether the current billing setup (in house, outsourced, or specific vendor) is performing at the level the practice needs

This is rarely fixed by working harder on the same broken process. It is fixed by tightening the system.

For Denied Claims

  • Work the denial queue actively, not occasionally
  • Track first pass denial rate as a KPI
  • Track appeal success rate as a KPI
  • Train front office and coding staff on the specific denial reasons your practice sees most

For Equipment Debt

  • Map the full debt schedule (what is owed, what the monthly payment is, when each ends)
  • Identify any debt that can be refinanced to lower the payment
  • Consider whether accelerated payoff of higher interest debt makes sense given current cash position

For Owner Draws

  • Set a regular draw schedule matched to what the practice can sustainably produce
  • Separate personal lifestyle planning from practice cash flow planning
  • Avoid irregular large draws unless there is a real reason for them

For Tax Payments

  • Set aside estimated tax money in a separate account as distributions are taken throughout the year
  • Plan quarterly distributions that fund both personal living expenses and tax payments

Frequently Asked Questions

How is medical practice cash flow different from other small businesses?

The third party payor system is the main difference. Most small businesses get paid by the customer at or near the time of service. Medical practices wait on insurance adjudication, which adds weeks or months to the cash cycle. Some claims also get denied or partially paid, which further complicates the cycle.

My A/R has grown. Is that bad?

If the growth tracks growing practice volume, it can be normal. If the growth outpaces volume growth, or if days in A/R is climbing, it is a problem.

Should I outsource medical billing?

Sometimes worth it, depending on practice size, specialty complexity, and current billing performance. A well run in house billing operation can outperform an average outsourced biller. A poorly run in house operation almost always benefits from outsourcing. The diagnostic is the practice's current denial rate and days in A/R compared to industry benchmarks for the specialty.

Is a line of credit a fix?

It is a bridge, not a fix. A line of credit smooths short term cash mismatch. It does not solve underlying problems like persistent reimbursement lag, large debt service, or owner spending.

What is the right cash buffer for a medical practice?

A common rule of thumb is 30 to 90 days of operating expenses held in cash. Specialty practices with concentrated payor mix or higher claim risk benefit from larger buffers.

Does the practice's entity structure affect cash flow?

The structure does not change the underlying cash mechanics, but it affects how cash leaves the practice (draws vs salary vs distributions) and how taxes are paid. S corporations and partnerships have different cash distribution dynamics than sole proprietorships. Your tax advisor can help with the structure.

Getting Medical Practice Cash Flow Under Control

The "profit but no cash" problem feels mysterious until you can see where the cash is actually going. Once you can name the cause (reimbursement lag, denied claims, equipment debt, owner draws, tax payments), the fix becomes much more concrete.

The medical practices that consistently have cash on hand are not the most profitable ones. They are the ones with tight billing operations, manageable debt service, disciplined owner draws, and a process for setting aside tax money. The owners who feel cash poor are usually missing at least one of those.

If you also want the broader version across all small businesses, our post on why your business shows profit but you're always short on cash covers the general dynamics. For the employment side, our payroll for a small medical practice in Texas guide covers the staff side.

We work with medical practice owners across Quinlan, Hunt County, Rockwall, Kaufman, and the greater Dallas area on bookkeeping, cash flow analysis, and the broader tax planning that goes with running a practice.

Tired of the "where is the cash" question? Contact us here to talk about getting your books and cash flow reporting set up so you can see what is actually happening month over month.