Provider credentialing is one of the most critical, and most misunderstood, processes in healthcare administration. Done right, credentialing gets you in-network with payers quickly, enabling you to bill commercially insured patients from day one. Done wrong, it delays your revenue by months and can even result in lost patients.
This guide walks you through everything you need to know about medical credentialing.
What Is Medical Credentialing?
Medical credentialing is the process by which insurance companies verify a provider’s qualifications, training, licensure, and background before approving them to participate in their network. It is also the process by which hospitals and healthcare facilities grant clinical privileges.
Credentialing serves two distinct purposes:
- Insurance credentialing (also called payer enrollment), allows you to bill insurance companies and receive contracted reimbursement rates
- Hospital privileging, allows you to practice medicine at a specific hospital or facility
This guide focuses primarily on insurance credentialing.
Why Credentialing Matters for Your Revenue
Until you are credentialed with a payer, you cannot bill that payer for services. Patients with that insurance may still see you, but you will not be able to submit claims, meaning you either don’t collect, or you collect as an out-of-network provider (which typically means much lower reimbursement and higher patient cost-sharing).
For a new practice, credentialing delays can mean months of zero revenue from insured patients. For established practices adding a new provider, credentialing delays create billing gaps that are costly and frustrating.
The Credentialing Timeline
Credentialing timelines vary widely by payer:
| Payer Type | Typical Timeline |
|---|---|
| Medicare | 60–90 days |
| Medicaid (state-specific) | 60–120 days |
| Large commercial (BCBS, Aetna, Cigna, UHC) | 45–90 days |
| Smaller regional plans | 30–60 days |
These timelines begin from the date a complete application is submitted. Incomplete applications restart the clock.
Step-by-Step: The Credentialing Process
Step 1: Create or Update Your CAQH Profile
CAQH ProView is the industry-standard repository where providers store their credentialing information. Most commercial payers use CAQH to pull your data instead of requiring you to submit paper applications.
Creating a complete, accurate CAQH profile is the foundation of efficient credentialing. Keep it updated, CAQH requires quarterly attestation.
Step 2: Gather Your Credentialing Documents
Most payers will require:
- State medical license(s)
- DEA registration
- NPI number (individual and group)
- Board certification certificate
- Malpractice insurance certificate with history
- CV/work history (no gaps longer than 30 days)
- Education and training verification
- Hospital affiliations (if applicable)
Step 3: Submit Payer Applications
Each payer has its own enrollment application, though many use CAQH as the primary data source. Applications must be completed accurately, errors or omissions are a primary cause of delays.
Step 4: Active Follow-Up
This is where most credentialing efforts fall apart. Payers often lose applications, request additional information without notification, or simply have processing backlogs. Regular, proactive follow-up with credentialing departments is essential to keeping your application moving.
Effective follow-up means calling the payer every 2–3 weeks, tracking the status of each application, and escalating stalled applications to payer management when needed.
Step 5: Contract Execution
Once credentialed, many payers will send a participation agreement for your review and signature. Review the fee schedule carefully, this is often the point where contract negotiation is possible.
Step 6: Effective Date Confirmation
Get the effective date in writing. Your effective date is the date from which you can begin billing that payer. Claims submitted for dates of service before your effective date will be denied.
Common Credentialing Mistakes to Avoid
1. Gaps in work history, Payers require a complete 10-year work history with no gaps longer than 30 days. Any gap must be explained in writing.
2. Outdated CAQH profile, An outdated CAQH profile delays every application that uses it.
3. Not tracking application status, Applications submitted without follow-up frequently stall for months.
4. Letting credentials expire, Malpractice insurance, state licenses, and DEA registrations have expiration dates. Let any of them lapse and you risk losing your in-network status.
5. Starting the process too late, If you are opening a new practice, begin credentialing at least 90–120 days before you plan to see insured patients.
Should You Handle Credentialing In-House or Outsource It?
For most practices, outsourcing credentialing to a specialist is the right call. Here’s why:
- Time, Credentialing is time-consuming. A new provider requires applications to 10–20 payers, each with its own process.
- Expertise, Credentialing specialists know the nuances of each payer’s process, which payers are accepting new providers, and how to navigate stalled applications.
- Cost, The cost of a credentialing service is almost always less than the revenue lost to delays caused by credentialing errors.
RevalonMD LLC’s credentialing specialists handle the entire process, from CAQH setup through contract execution, with proactive follow-up and full status reporting. Contact us to learn more about our credentialing services.