The 5 Healthcare Hiring Mistakes That Quietly Cost Organizations Millions

In healthcare, a hiring decision never stays in HR. It shows up in the overtime budget, the claims queue, the schedule, and eventually in how patients feel when they walk out the door.

The costs are rarely one big line item, which is why they're easy to miss. The AMA has estimated that at one academic health system, burnout-driven physician turnover alone put $15.5 million to $55.5 million at risk over two years.¹ Add the open medical assistant role, the front desk seat that turns over twice a year, and the authorization backlog delaying procedures, and the number grows quickly.

At Nmble Medical, we staff clinical and administrative roles for multi-site practices every day. These are the five mistakes we see most often, and what they really cost.

1.      Letting vacancies linger

An open role isn't a savings. It's revenue you're not collecting.

When a provider leaves, the AMA puts the cost of replacing them at $500,000 to more than $1 million, once you count recruiting, sign-on bonuses, lost billings and onboarding.¹ ² Revenue often starts slipping before the departure, as productivity drops after notice, and keeps slipping while the replacement ramps up.² The same logic applies to support roles: a clinic without enough medical assistants or schedulers simply sees fewer patients.

What we do at Nmble Medical: we treat a vacancy as an active cost from day one. For critical roles, we put contract coverage in place while we run the permanent search, so patient volume doesn't drop while you wait for the right hire.

2.      Plugging gaps with overtime

Overtime feels like the responsible short-term fix. It keeps the schedule full without adding headcount. But when "short-term" stretches into months, you're paying a premium to burn out the people you most need to keep.

The research is clear on where long hours lead. A Health Affairs study of nearly 23,000 registered nurses found those working shifts of 10 hours or more were up to two and a half times more likely to experience burnout and job dissatisfaction, and seven of ten patient outcomes measured were significantly worse with the longest shifts.³ Press Ganey's 2025 nursing research found RNs with negative views of teamwork and resources are 1.53 times more likely to leave.⁴ Overtime doesn't close the gap. It widens it.

What we do at Nmble Medical: we help practices see when overtime has become a staffing plan, and we bring in contract or per-diem support to take the pressure off the core team while permanent hires are made.

3.      Hiring fast but not right

When the schedule is short, it's tempting to hire the first person with the right license. But a mismatched hire usually means doing the search twice.

Early turnover is common and expensive. The RN Work Project, funded by the Robert Wood Johnson Foundation, found nearly 18% of newly licensed nurses leave their first job within a year, and about 34% within two years.⁵ Across all healthcare workers, Press Ganey reports annual turnover of 18%, and 24% among Gen Z nurses.⁴ Gallup estimates replacing an employee costs one-half to two times their annual salary, and 52% of people who quit say their employer could have done something to keep them.⁶

What we do at Nmble Medical: we screen for fit, not just credentials: the practice's pace, patient population, schedule and team. That's how we've been able to staff ophthalmic assistants across multiple practices for CEENTA, where each office has its own rhythm.

4.      Treating non-clinical roles as an afterthought

Front desk, scheduling, insurance verification and prior authorization roles are often the last to get attention and the first to turn over. Yet they control whether a patient gets seen, whether a procedure happens on time, and whether you get paid.

MGMA found medical assistants and front-office staff were the most frequently cited turnover hotspots in medical practices in 2025.⁷ And prior authorization alone is a heavy lift: in the AMA's 2024 physician survey, practices completed an average of 43 prior authorizations per physician each week, taking about 12 hours of physician and staff time. 94% of physicians said the process delays care, and 78% said it leads patients to abandon treatment.⁸ Every unfilled authorization seat means postponed procedures, delayed revenue and frustrated patients.

What we do at Nmble Medical: we recruit for revenue-cycle and patient-access roles with the same rigor as clinical ones, looking for payer knowledge, specialty experience and the customer-service instincts patients notice.

5.      Ignoring the burnout–patient experience loop

Understaffing creates burnout. Burnout creates turnover. Turnover creates more understaffing. And patients feel every turn of that cycle.

Researchers writing in the Annals of Internal Medicine estimated physician burnout costs the U.S. health system about $4.6 billion a year in turnover and reduced clinical hours, roughly $7,600 per physician.⁹ A Mayo Clinic study found that each one-point rise in burnout came with a 30–50% greater chance a physician would cut back their clinical effort within two years.¹ On the patient side, hospitals with more nurses on long shifts had more patients reporting poor communication, poorly controlled pain and delayed help.³ Press Ganey also found units with strong teamwork perform significantly better on quality measures like falls and pressure injuries.⁴

What we do at Nmble Medical: we look at staffing as a retention strategy, not just a fill. Right-sizing teams, covering gaps before they become burnout, and placing people who fit the culture all protect the patient experience.

The Nmble Medical approach

None of these costs show up as a single line on the P&L, and that's exactly why they last so long. They hide in overtime, in delayed procedures, in turnover and in patient reviews.

Nmble Medical partners with practices and healthcare organizations to staff the clinical and administrative roles that keep care moving, from medical assistants and nurses to front desk, insurance and authorization teams. We offer temporary coverage, contract-tohire and direct hire, so you can protect patient volume today while building the team you need long term.

If any of these five sound familiar, let's talk. Visit nmblemedical.com.

Sources

1. American Medical Association, "How much physician burnout is costing your organization", Oct. 11, 2018

2. MGMA, "Please don't go: Ways to reduce physician turnover", Sept. 20, 2018

3. Stimpfel, Sloane & Aiken, Health Affairs, Nov. 2012, via "Long shifts lead to nurse burnout and dissatisfied patients"

4. Press Ganey, "The State of Nursing in 2025", May 20, 2025

5. RN Work Project (Robert Wood Johnson Foundation), via Becker's Hospital Review, "Nearly 1 in 5 nurses leaves first job within a year", Sept. 5, 2014

6. Gallup, "This Fixable Problem Costs U.S. Businesses $1 Trillion", March 13, 2019

7. MGMA Stat, "Can staff turnover continue to be tamed in medical practices into 2026?", May 14, 2025

8. American Medical Association, "AMA survey indicates prior authorization wreaks havoc on patient care"

9. Annals of Internal Medicine, via Fierce Healthcare, "The high cost of physician burnout: $4.6B a year", May 28, 2019