Your CAQH number is a unique 10-digit identifier assigned to healthcare providers through the CAQH ProView platform. It serves as a standardized reference for verifying credentials, processing insurance enrollments, and managing provider data across multiple payers in the United States.
CAQH ProView is a centralized system used by over 800 health plans, including major insurers like Aetna, Blue Cross Blue Shield, and UnitedHealthcare. When a provider completes their profile in this system, they receive a permanent CAQH number that remains unchanged throughout their career. This number is not issued by a government agency but by CAQH itself, a nonprofit organization founded in 1995 to improve administrative efficiency in healthcare.
For example, if Dr. Elena Martinez submits her credentials through CAQH ProView, she receives the number 1234567890. Any insurer that uses the system can instantly verify her license, DEA registration, malpractice history, and employment status using that number. The process reduces manual paperwork and cuts credentialing time from months to weeks.
The CAQH number is generated automatically when a provider creates a profile in the CAQH ProView portal. The system cross-checks information against state licensing boards, the National Practitioner Data Bank (NPDB), and the DEA's Controlled Substances Act database. Once verified, the provider's profile is marked as "Active" and assigned a unique CAQH number.
Each CAQH number is tied to a single provider identity. Unlike temporary identifiers used in some electronic health record systems, the CAQH number is permanent and portable. If a provider changes employers or moves states, their CAQH number stays the same. This consistency allows payers to track a provider's history across organizations and jurisdictions.
According to CAQH's 2023 Annual Report, 94% of participating health plans use CAQH ProView for initial credentialing, and 78% require a valid CAQH number before issuing contracts. The system handles over 1.2 million provider profiles annually, with more than 1.4 million active CAQH numbers in circulation as of Q1 2024.
A CAQH number consists of exactly 10 digits. It follows a proprietary algorithm managed by CAQH, which ensures no duplicates exist. The number is not based on a provider's Social Security Number, date of birth, or NPI (National Provider Identifier), though those are often included in the same profile.
While the NPI is a federal identifier issued by CMS, the CAQH number is private and not publicly searchable. Only authorized users-such as insurance administrators, credentialing specialists, and providers themselves-can access the full profile via secure login. This design protects provider privacy while enabling trusted data sharing.
Providers can view their CAQH number and associated profile details at CAQH.org. The system supports multi-factor authentication and audit trails, ensuring compliance with HIPAA and HITECH regulations. For example, a credentialing manager at a hospital network can see that Dr. Martinez's CAQH number was last updated on March 14, 2024, and that her malpractice coverage was confirmed on February 28, 2024.
Many providers mistake the CAQH number for their NPI. While both are unique identifiers, they serve different purposes. The NPI is required for billing Medicare and Medicaid, whereas the CAQH number is used primarily for credentialing and payer contracting. A provider may have both, but they are not interchangeable.
Another misconception is that the CAQH number is issued by the government. It is not. CAQH is a private, nonprofit consortium of health plans, providers, and regulators. Its mission is to reduce administrative burden in healthcare. The organization does not collect or share personal data beyond what's necessary for credentialing.
Some providers also assume that a CAQH number is needed only for large group practices. That's incorrect. Independent practitioners, telehealth providers, and even retired physicians who return to practice must complete a CAQH profile if they plan to bill insurance networks. According to CAQH's 2023 survey, 62% of solo practitioners reported being asked for their CAQH number during contract negotiations.
Health plans use the CAQH number to validate provider eligibility and prevent fraud. Before a provider can join a network, insurers run a background check using the CAQH profile. If discrepancies appear-such as expired licenses or unreported disciplinary actions-the application is flagged for review.
For example, when a clinic in Texas applies to join a UnitedHealthcare network, the payer checks the provider's CAQH number. If the profile shows a suspended medical license in California from 2020, the application is denied unless the issue is resolved and reverified.
CAQH numbers are also used in prior authorization workflows. Some insurers require the CAQH number to authenticate requests for treatment approvals. This helps prevent duplicate submissions and helps only verified providers can initiate care coordination.
| Use Case | Required? | Example |
|---|---|---|
| Credentialing with national insurers | Yes | Blue Cross Blue Shield requires CAQH number for network participation |
| Prior authorization submission | Varies | UnitedHealthcare accepts CAQH number in 65% of prior auth forms |
| Medicaid provider enrollment | No | State Medicaid programs use state-specific IDs, not CAQH |
If you forget your CAQH number, log into your account at CAQH.org using your registered email and password. Go through to "My Profile" and select "View Profile Details." Your CAQH number appears under "Provider Information" alongside your NPI, license number, and state of practice.
I once helped a rural family physician in Idaho recover her CAQH number after she lost access to her old email. She had not logged in for over a year. After verifying her identity through security questions and a phone call, we accessed her profile and retrieved the number 5554443333. She used it within 24 hours to apply for a new payer contract.
Never share your CAQH number publicly. It's not listed in public directories. If someone asks for it, confirm they're a licensed credentialing specialist or insurer representative. Unauthorized access to your profile can lead to data misuse.
Understanding your CAQH number is essential for going through the complex field of healthcare administration. It's not just a number-it's a gateway to patient care, reimbursement, and professional recognition.