Table of Contents
- 1. What Is Dental Credentialing?
- 2. Credentialing Timelines by Insurance Type
- 3. Step-by-Step Credentialing Process
- 4. Top 5 Credentialing Mistakes
- 5. Billing During Credentialing
- 6. Why Practices Outsource Credentialing
- 7. Carrier-by-Carrier Credentialing Timelines
- 8. How to Bill During the Credentialing Gap
- 9. Credentialing After Buying a Practice
- 10. How Dental Billing Assist Handles Credentialing
What Is Dental Credentialing?
Dental credentialing is the process of verifying a dentist's qualifications and enrolling them as an in-network provider with insurance companies. It involves submitting detailed documentation about the provider's education, licensure, malpractice history, DEA registration, NPI number, and practice information to each insurance carrier individually.
Without proper credentialing, a dental practice cannot bill insurance companies as an in-network provider. This means patients with that insurance would need to pay out of pocket or go to a different provider, which directly limits the practice's patient base and revenue potential.
Credentialing is required in several situations: when a dentist opens a new practice, when a new dentist joins an existing practice, when a practice adds a new insurance carrier, when a provider relocates or changes practice ownership, and for ongoing re-credentialing cycles (typically every 2 to 3 years). Each of these scenarios has its own timeline and requirements.
Credentialing Timelines by Insurance Type
One of the most frustrating aspects of credentialing is how long it takes. Timelines vary significantly by carrier type, and delays are common even when applications are submitted correctly. Here are the typical timeframes dental practices should expect:
| Insurance Type | Typical Timeline | Notes |
|---|---|---|
| Delta Dental | 60 - 90 days | Varies by state; some Premier plans process faster than PPO |
| MetLife | 45 - 90 days | PDP network enrollment may have separate timeline |
| Cigna | 60 - 120 days | DPPO and DHMO have different application processes |
| Aetna | 60 - 90 days | Online portal submission available for faster processing |
| United Healthcare | 60 - 120 days | May require CAQH profile completion first |
| Guardian | 30 - 60 days | Generally faster processing than larger carriers |
| State Medicaid/Denti-Cal | 90 - 180 days | Longest timelines; requires additional state-specific documentation |
| CAQH ProView (centralized) | Initial: 2 - 4 weeks | Must be completed before many carriers will begin their review |
These timelines represent best-case scenarios when applications are submitted correctly and completely. Incomplete applications, missing documents, or errors can add 30 to 90 additional days to the process. This is why starting credentialing early, ideally 90 to 120 days before a provider needs to be in-network, is essential.
Step-by-Step Credentialing Process
While each insurance carrier has its own specific requirements, the general credentialing process follows these steps:
Gather Provider Documentation
Collect all required documents: dental school diploma, state license, DEA certificate, NPI number, malpractice insurance certificate, CPR certification, tax ID/W-9, CV/resume, and practice information (address, phone, tax ID, practice management software).
Complete CAQH ProView Profile
CAQH (Council for Affordable Quality Healthcare) is a centralized credentialing database used by most major insurance carriers. Completing this profile first streamlines applications with individual payers. Keep it updated and re-attest every 120 days.
Submit Applications to Each Carrier
Apply individually to each insurance carrier the practice wants to accept. Some carriers have online portals while others require paper applications. Include all required documentation with each submission.
Follow Up Regularly
Check application status every 2 weeks. Carriers will not proactively notify you about delays or missing information. Persistent follow-up is the difference between a 60-day and a 120-day credentialing timeline.
Receive and Review Contracts
Once approved, the carrier sends a provider agreement. Review fee schedules carefully before signing. Negotiate rates where possible, especially for high-volume procedures. Set the effective date and begin billing in-network.
Update Practice Management System
Add the new provider number and effective date to your practice management software. Update fee schedules and ensure claims for the new provider route correctly.
Top 5 Credentialing Mistakes
These are the most common mistakes that delay credentialing or cause applications to be rejected:
- Starting too late. Many practices begin credentialing when a new provider starts. By then, it is 60 to 120 days before the provider can bill in-network, which means months of lost insurance revenue. Start credentialing at least 90 days before the provider's start date.
- Incomplete applications. Missing a single document or field can reset the clock. The carrier places your application at the back of the queue, adding weeks or months to the process. Double-check every application before submission.
- Letting CAQH expire. CAQH requires re-attestation every 120 days. If your profile lapses, carriers may pause or reject your applications. Set calendar reminders to re-attest before the deadline.
- Not following up. Insurance companies do not prioritize pending credentialing applications. Without regular follow-up every 2 weeks, applications sit in review queues indefinitely. Assign someone specifically to track and follow up on every application.
- Forgetting re-credentialing. Most carriers require re-credentialing every 2 to 3 years. Missing a re-credentialing deadline can result in termination from the network, requiring you to restart the entire process from scratch.
Billing During Credentialing
What happens when a provider sees patients before credentialing is complete? This is a common situation, especially for new associates or practice startups. There are several approaches:
- Retroactive credentialing: Some carriers allow retroactive effective dates, meaning claims for services provided during the credentialing period can be submitted and paid once credentialing is approved. Ask each carrier about their retroactive policy before the provider starts seeing patients.
- Billing under another provider: In some cases, services can be billed under a credentialed provider in the same practice. However, this approach has compliance risks and varies by carrier and state regulations. Consult with your billing team before using this method.
- Out-of-network billing: Submit claims as out-of-network until credentialing is approved. Patients may have out-of-network benefits that provide partial coverage. Inform patients in advance about potential out-of-pocket costs.
- Hold and batch: Hold claims for the uncredentialed provider and submit them in a batch once credentialing is approved with retroactive effective dates. This requires careful tracking but avoids out-of-network billing complications.
The best approach depends on the specific carrier policies, your state regulations, and how long credentialing is expected to take. An experienced credentialing specialist can advise on the optimal strategy for each situation.
Why Practices Outsource Credentialing
Credentialing is time-intensive, detail-oriented, and unforgiving of errors. Many practices outsource it for compelling reasons:
- Time savings: A single credentialing application can take 2 to 4 hours to complete correctly. Multiply that by 10 to 15 carriers and you are looking at 30 to 60 hours of staff time, plus ongoing follow-up.
- Expertise reduces errors: Credentialing specialists know exactly what each carrier requires, common rejection reasons, and how to navigate the process efficiently. This eliminates costly delays from rejected applications.
- Carrier relationships: Companies that handle credentialing at volume have established relationships and escalation paths with carrier credentialing departments, which can accelerate processing times.
- Re-credentialing management: Outsourced credentialing includes tracking and managing re-credentialing deadlines, ensuring your providers never accidentally lapse from a network.
For practices evaluating billing and credentialing partners, see our comparison of the best dental billing companies and what credentialing services they include.
Carrier-by-Carrier Credentialing Timelines
Every carrier moves at its own pace. Knowing the specific timeline for each payer helps you plan hiring, set expectations with new providers, and avoid revenue gaps.
| Carrier | Timeline | Key Notes |
|---|---|---|
| Delta Dental | 60–90 days | Allows retroactive claims within 90 days of approval |
| MetLife | 45–90 days | Generally faster. Online application speeds process |
| Cigna | 60–120 days | Requires complete CAQH profile before starting |
| Aetna | 90–120 days | One of the slowest. Follow up at 60-day mark |
| United Healthcare | 90–120 days | Strict documentation requirements. Delays common |
| BCBS (varies by state) | 60–180 days | Each state plan is different. Some require site visits |
| Guardian | 45–90 days | Relatively straightforward application process |
| Medicaid / Denti-Cal | 90–180 days | Government programs are the slowest. Start early |
Start credentialing at least 90 days before a new provider's start date. Every day a provider sees patients without being credentialed is revenue at risk. For carriers like Aetna, UHC, and Medicaid, 120+ days is common — plan accordingly.
How to Bill During the Credentialing Gap
When a new provider starts seeing patients before credentialing is complete, you have several options for handling billing. The right approach depends on your practice setup and the specific carrier.
- Bill under the group NPI: If your practice has a group NPI that is already credentialed, you may be able to bill under the group while the individual provider's credentialing is processed. Check with each carrier — not all allow this
- Hold and submit retroactively: Some carriers, including Delta Dental, allow you to submit claims retroactively within 90 days of credentialing approval. Hold the claims and submit them in a batch once the provider is approved
- Collect as fee-for-service: Have patients pay at the time of service and provide them with a claim form they can submit to their insurance for out-of-network reimbursement
Never bill under another provider's NPI.Submitting claims under a credentialed provider's NPI for services performed by a non-credentialed provider is insurance fraud. It can result in provider exclusion from insurance networks, fines, and legal action.
Credentialing After Buying a Practice
When you purchase an existing dental practice, the selling dentist's insurance credentials do not transfer to you. You must credential yourself with every carrier the previous owner was in-network with, and this process can take 3 to 6 months depending on the carriers involved.
During the transition period, you will likely experience a revenue dip as claims are denied or delayed. Here is how to minimize the impact:
- Start credentialing before closing: Begin the credentialing process as soon as the purchase agreement is signed. Do not wait until closing day — every week saved is revenue protected
- Update CAQH ProView immediately: Your CAQH profile is the foundation of most carrier applications. Update it with the new practice address, tax ID, and NPI before submitting carrier applications
- Negotiate a transition period: Ask the selling dentist to remain on staff (even part-time) for 60 to 90 days after closing. During this period, the selling dentist can continue seeing patients and billing under their credentials while your applications are processed
- Prioritize the highest-volume carriers: Identify which insurance plans represent the largest portion of the practice's patient base and credential with those carriers first. This protects the most revenue during the transition
Practice acquisitions are one of the most complex credentialing scenarios. Working with an experienced credentialing partner can save months of delays and prevent significant revenue loss during the transition.
How Dental Billing Assist Handles Credentialing
Credentialing is included in every Dental Billing Assist plan at no additional cost. Here is what our credentialing service includes:
Full Application Management
We prepare, submit, and track all credentialing applications for every carrier your practice wants to join. We handle CAQH setup, individual carrier applications, and all required documentation.
Biweekly Follow-Up
Our team follows up with every carrier every two weeks until credentialing is approved. We escalate stalled applications and resolve any issues or requests for additional information immediately.
Re-Credentialing Management
We track all re-credentialing deadlines and handle renewal applications proactively. You will never have to worry about a provider accidentally lapsing from a network.
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Stop losing months of revenue to slow credentialing. Our team handles the entire process, from initial applications to ongoing re-credentialing, so your providers can start billing in-network faster.
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