What Provider Credentialing Really Costs a Practice, Including the Cost of Delay
The short answer: the fees are the smallest part of credentialing. Enrolling an individual physician in Medicare has no application fee at all. The two costs that matter are the staff time it takes to get a provider approved by every payer, and the revenue a provider cannot bill while they wait. For a new provider who is on payroll but not yet approved by any payer, that second number can run into six figures in a single quarter.
This page breaks the cost into three parts, shows where each number comes from, and gives you a formula to estimate your own exposure.
What Credentialing Is, in One Paragraph
Credentialing is how a payer confirms a provider is who they say they are and is qualified to treat patients. It checks education, training, licenses, board certification, work history and malpractice history directly with the source. Payer enrollment is the step that follows: registering the credentialed provider with each insurance plan so claims can be paid. A provider can be fully credentialed and still unable to bill a plan they are not enrolled with, which is why practices usually treat the two as one process.
Part 1: The Fixed Fees
These are the costs you can look up. They are real, but for most outpatient practices they are small next to Parts 2 and 3.
| Fee | What it costs | Who pays it |
|---|---|---|
| Medicare enrollment application | $0 for individual physicians and non-physician practitioners. $750 in 2026 for institutional providers | Institutional providers such as clinical labs and medical equipment suppliers. Individuals enrolling on the CMS-855I are exempt |
| DEA registration | $888, renewed every three years | Any provider who prescribes controlled substances |
| State medical license | Set by each state board, plus renewal fees | Every licensed provider, in every state they practice |
| Board certification upkeep | Set by each specialty board | Board-certified providers |
| Commercial plan applications | Set by each plan. The bigger cost is that each one is a separate application with its own forms and follow-up | The practice, in staff time |
Sources: the 2026 Medicare application fee and its exemptions are set in the Federal Register notice for calendar year 2026. The DEA practitioner fee is set in the DEA fee rule.
Part 2: The Staff Time
This is the cost most practices underestimate, because it never shows up as a bill. Every payer is its own application. A new provider joining a practice that takes Medicare, Medicaid and ten commercial plans means twelve separate applications, twelve sets of follow-up calls, and twelve places where one missing signature sends the file back to the start.
Once a provider is approved, the work continues. Licenses, DEA registrations and board certifications expire on their own schedules, most payers re-credential every few years, and your CAQH profile has to be kept current and re-attested or commercial plans can pause the file.
A simple way to price it:
Number of payer applications x staff hours per application x loaded hourly cost of that staff member
For example, 12 applications at 10 hours each, done by a staff member who costs the practice $35 an hour with benefits, is $4,200 of staff time for one new provider. That is before the time spent on renewals and re-credentialing.
Part 3: The Cost of Delay
This is the big one. A provider who is hired, licensed and on payroll cannot bill a plan until that plan approves them. Every clinic day in between is revenue the practice pays for and does not collect.
How long the wait usually is
Medicare publishes processing targets for its contractors. For an initial individual enrollment submitted online through PECOS, with no site visit or fingerprinting, 95% are expected to be processed within 15 calendar days and all within 50. Paper applications take longer: 95% within 30 days and all within 65 (First Coast Service Options, a Medicare contractor, summarizing the Medicare Program Integrity Manual, chapter 10). Those clocks start when a complete application is received, so errors restart them.
Commercial plans set their own timelines and are usually slower. Many run applications through a credentialing committee that meets monthly or quarterly, so a file that misses one meeting waits for the next.
In Med USA’s experience, commercial credentialing can take up to 90 days or longer depending on the plan, and more payers have been lengthening their timelines, especially for non-physician practitioners.
What Medicare lets you recover, and what it does not
Medicare allows physicians and non-physician practitioners to bill for services provided up to 30 days before their enrollment effective date, when circumstances prevented enrolling earlier and all other requirements were met (42 CFR 424.521). Anything before that window is not recoverable. Commercial plans each have their own rules on backdating, and many do not backdate at all. Plan on the delay being a real loss unless a specific plan’s contract says otherwise.
Estimate your own exposure
Visits per day x average collected per visit x clinic days in the delay x share of that provider’s patients covered by the plans still pending
Worked example. Replace every number with your own.
- A new provider sees: 16 patients a day
- Average collected per visit: $110
- Clinic days per month: 20
That provider would collect about $35,200 a month once fully enrolled (16 x $110 x 20).
- If no payer has approved them yet, a three-month wait puts about $105,600 of collections at risk.
- If only one plan is still pending and it covers 30% of their patients, the exposure is about $10,560 a month, or $31,680 over three months.
- If that pending plan is Medicare, the 30-day look-back can recover roughly the last month, bringing the three-month exposure down to about $21,120.
The first scenario is why credentialing should start the day a provider signs, not the week before they start. The same math applies in reverse: every month you shave off the wait for a new provider is roughly one month of their collections back.
The costs that do not show up in the formula
- Patients go elsewhere: if a new provider cannot see a patient’s plan, that patient books with another practice, and often stays there.
- Other providers absorb the load: the existing team covers the gap, which costs capacity and goodwill.
- Denied claims create rework: any claim submitted before a provider is approved by that plan comes back denied, and your billing team pays for it in time.
- Out-of-network surprises: a patient seen by a provider who is not yet in their network can end up with a bill they did not expect, which is the fastest way to lose a patient’s trust.
In-House or Outsourced: How to Compare Fairly
The honest comparison is not “our staff is free, a credentialing service costs money.” It is:
In-house cost = staff time (Part 2) + delay cost at your current approval speed (Part 3)
Outsourced cost = the service fee + delay cost at the service’s approval speed
A credentialing partner earns its fee two ways: by taking the staff hours off your team, and by getting files approved sooner and with fewer restarts. For a practice that onboards providers often, or that has lost its one experienced credentialing person, the second is usually worth far more than the first. If you are weighing partners, see our guide to choosing a credentialing company.
Med USA prices credentialing by the number of providers and payers involved, with flat-fee or per-application options, so a practice knows the cost before work starts.
How to Keep the Cost Down
- Start the day the contract is signed: not the day the provider starts. The wait is the expensive part, so start the clock early.
- Apply online where you can: Medicare’s own processing targets for online PECOS applications are faster than for paper at every stage.
- Send a complete file the first time: a missing signature or an unexplained gap in work history restarts the clock at most payers.
- Keep CAQH current and re-attested: many commercial plans pull from it, and a stale profile can stall a file without anyone telling you.
- Track every expiration date in one place: licenses, DEA, board certification and each payer’s re-credentialing date, with reminders well ahead of each one.
- Know each plan’s backdating rule before you schedule: so you know which patients a new provider can safely see.
Frequently Asked Questions
How much does provider credentialing cost?
The direct fees are modest. Individual physicians pay no Medicare enrollment fee. The real cost is staff time across every payer application and the revenue a provider cannot bill while waiting. For a new provider with no payer approvals yet, a three-month wait can put six figures of collections at risk.
Do physicians pay a Medicare enrollment fee?
No. Physicians and non-physician practitioners enrolling on the CMS-855I are exempt. The $750 fee for 2026 applies to institutional providers.
How long does credentialing take?
Medicare’s targets for a complete online application are 15 days for 95% of files and 50 days for all of them. Commercial plans are usually slower and vary by plan, often because applications wait for a credentialing committee meeting.
Can we bill for services a provider gave before they were approved?
For Medicare, up to 30 days before the enrollment effective date, if circumstances prevented enrolling earlier. For commercial plans it depends on each plan’s contract, and many do not backdate.
When should we start credentialing a new provider?
As soon as their contract is signed. Every week you start earlier is a week of collections you do not lose.
Want a second set of eyes on a new provider’s file, or on how long your current approvals are taking? Talk to Med USA’s provider credentialing team: (801) 352-9500.
