CAQH (Council for Affordable Quality Healthcare) is the centralized credentialing database used by 1,000+ U.S. health plans. Providers register once, upload credentialing documents, and authorize payers to pull that data—eliminating redundant paperwork. A CAQH profile does not automatically enroll you with payers. Re-attestation is required every 120 days or your profile expires and claims can be denied. Qualigenix manages the full CAQH and payer enrollment lifecycle for providers across 38+ specialties. If you’re a healthcare provider working toward payer network participation, the question what is CAQH is one of the first you’ll encounter. Almost every commercial health plan in the country requires a CAQH profile as part of the credentialing and enrollment process. Without one, you can’t join payer networks, you can’t bill insurance, and you can’t get reimbursed. Yet CAQH is one of the most misunderstood pieces of the provider enrollment puzzle. Many providers think completing a CAQH profile automatically enrolls them with health plans—it doesn’t. Others let their profile lapse past the 120-day attestation window and wonder why claims start getting denied. That gap between what CAQH does and what providers assume it does costs practices weeks of delayed reimbursement and thousands in lost revenue every year. This guide explains exactly what CAQH is, how the CAQH Provider Data Portal works, what information you need to complete your profile, the critical 120-day attestation rule, and how CAQH fits into the broader provider credentialing and payer enrollment process. We’ll also cover how Qualigenix’s [medical credentialing services](https://qualigenix.com/services/revenue-cycle-management-services/credentialing-services) manage the entire CAQH lifecycle so your team can focus on patient care instead of administrative paperwork. CAQH stands for the Council for Affordable Quality Healthcare, a nonprofit alliance founded by leading U.S. health plans to simplify healthcare administration. Its flagship product, the CAQH Provider Data Portal (formerly CAQH ProView), is a centralized online database where providers enter their credentialing information once and authorize health plans to access it. Over 1,000 health plans use CAQH, and all 50 states accept its credentialing application as a standard form. CAQH was established over 20 years ago to solve a specific problem: providers were filling out essentially the same credentialing application dozens of times for different insurance companies. Each payer had its own forms, its own requirements, and its own timeline. CAQH created a single, standardized repository where providers enter their information once—demographics, education, training, licensure, malpractice history, practice locations—and then authorize specific payers to pull that data directly. Today, 80% of U.S. physicians have a complete CAQH profile (Relias 2026), and 2.5 million providers actively maintain their data in the system. CAQH saves the healthcare industry an estimated $2 billion annually in administrative costs by eliminating redundant paperwork (CAQH Annual Reports). For providers, a complete and current CAQH profile is the gateway to faster payer credentialing, faster enrollment, and faster time-to-revenue. How Does the CAQH Provider Data Portal Work? Step 1 — Register and Obtain Your CAQH ID Visit proview.caqh.org and self-register. You’ll enter your legal name, NPI, SSN, DEA number, license information, and practice address. CAQH assigns you a unique CAQH ID—this is the identifier you’ll provide to every payer going forward. Keep it on file with your credentialing records from day one. Step 2 — Complete Your Full Profile The CAQH application covers demographics, education and training history, work history, licensure, board certifications, hospital privileges, malpractice history, insurance details, and practice locations. Completing the initial profile typically takes 1–2 hours if your documents are prepared in advance (per CAQH Provider User Guide Version 43). Don’t start without your documents—an incomplete session can cause data errors that delay processing. Step 3 — Upload Supporting Documents Scan and upload your current medical license, DEA registration, board certificates, malpractice insurance face sheet, CV, and any specialty certifications. Use PDF format and label files clearly—for example, StateLicense_NY_2026.pdf. Verify every expiration date before uploading. Expired or illegible documents will pause processing and trigger a review flag that can add days to your timeline. Step 4 — Authorize Payers to Access Your Profile Select the health plans you want to share your data with from the CAQH payer list. Without authorization, payers cannot access your CAQH information—even if your profile is 100% complete. This is a step many providers overlook entirely. Review your authorization list every time you apply to a new plan. Step 5 — Attest and Submit Review all information for accuracy and submit your attestation. Your attestation is legally binding—you’re certifying that everything in your profile is true and current. CAQH typically processes and activates profiles within 3–10 business days after submission. Step 6 — Re-Attest Every 120 Days This is the most frequently missed step and the costliest mistake a provider can make. CAQH requires providers to log in and confirm their data accuracy every 120 days (every 180 days for Illinois providers). If you miss the deadline, your profile status changes to “Expired” and payers lose access to your data immediately—which can trigger claim denials, enrollment freezes, and even network termination. What Are the Most Common CAQH Profile Mistakes That Delay Credentialing? These errors account for the majority of CAQH-related enrollment delays. Most are entirely preventable with a systematic approach: Incomplete profile sections: Leaving any mandatory field blank (marked with red asterisks in the portal) prevents payers from pulling your data. Common gaps include missing malpractice history, incomplete work history, and expired uploaded documents. Expired uploaded documents: Uploading a medical license or DEA certificate that has already expired flags your profile for review and pauses processing. Always check expiration dates before uploading. Data mismatches across systems: Your CAQH name, NPI, and license details must exactly match your NPPES registry, your state license board, and your individual payer applications. Even minor discrepancies—a middle initial versus a full middle name—cause primary source verification failures. Forgetting to authorize payers: Your profile can be 100% complete, but if you haven’t authorized specific payers to access it, they can’t pull your data. Review your authorization list whenever you apply to a new plan.