Credentialing is how a commercial insurance payer verifies who you are and contracts with you to pay for your services. For a CRNA or a new group, expect 60 to 180 days per payer from application to an effective date, with 90 to 120 days typical.
Until you are credentialed and contracted, your claims to that payer either deny or price as out of network. That makes credentialing a revenue problem, not an administrative afterthought. Here is the process and how to keep it from costing you months of income.
Key points
- Expect 60 to 180 days per payer; 90 to 120 is typical.
- An expired CAQH attestation stalls every application silently.
- Start applications 120 to 180 days before your first shift.
- Ask each payer about retro-effective dates and hold claims accordingly.
Credentialing vs contracting vs enrollment
Three words that get mixed up:
- Credentialing: the payer verifies your license, education, certification, work history, malpractice coverage, and background (primary source verification).
- Contracting: you sign a participation agreement with a fee schedule. Credentialed without a contract still means out of network.
- Enrollment: getting set up in the payer's claims system with an effective date. For Medicare the equivalent process runs through PECOS; see CRNA Medicare enrollment.
A new group does all three at the group level too: the entity gets its own contracts and a group record, and each CRNA is linked to it.
CAQH: the central application
Most commercial payers pull your data from CAQH, a shared online profile (long known as CAQH ProView, now the CAQH Provider Data Portal). You enter your demographics, licenses, NPI, education, work history, malpractice carrier and coverage, and upload documents once, then authorize payers to access it.
Two CAQH habits prevent most delays:
- Attest on schedule. CAQH requires periodic re-attestation; an expired attestation stalls every application that depends on it.
- Keep documents current. An expired malpractice face sheet or license copy is the most common silent holdup.
What payers ask for
- State RN and APRN/CRNA licenses, unencumbered
- NBCRNA certification
- NPI (Type 1 for you; Type 2 for a group)
- Malpractice insurance face sheet, with coverage amounts
- Work history, usually five years, with gaps explained in writing
- Education and training verification
- DEA registration where applicable
- Hospital or facility privileges, or a statement of why none
- Disclosure questions: discipline, claims history, exclusions (payers check the OIG exclusion list and state boards)
- W-9 and, for groups, entity documents and the group NPI
Why it takes 60 to 180 days
Primary source verification is slow by design: payers confirm each credential with its issuer, then route your file to a credentialing committee that may meet only monthly. Contracting adds another cycle of fee schedule and signature back-and-forth. Multiply by every payer you need, each on its own timeline, and 90 to 120 days is a normal middle; some plans run faster, some run past 180 days.
Many states have credentialing timeline laws, and some payers retro-date effective dates to the application or committee date. Ask each payer its rule in writing; it changes how you handle early claims.
How to avoid gaps
- Start 120 to 180 days before your first expected date of service. For a new group, start the entity's applications the day the entity, EIN, and Type 2 NPI exist.
- Make a payer matrix. Every payer you will bill, application date, contact, status, follow-up date. Follow up every two weeks; files genuinely sit until someone calls.
- Keep CAQH perfect before you apply, including a current attestation.
- Ask about retro-effective dates and hold claims accordingly rather than letting them deny.
- When changing jobs or going 1099, remember credentialing is payer-and-entity specific. Joining a new group usually means linking you to its contracts, which is faster than fresh credentialing but still takes weeks.
- Consider a credentialing service if you are launching a group across many payers at once; weigh the fee against a month of lost collections.
Locum work is the main exception: agencies and facilities often handle facility privileging, and billing may run under the facility or staffing arrangement. Confirm who bills before assuming you need your own payer contracts; see locum CRNA work.
Quick answers
Can I see patients before credentialing is done?
You can provide care if the facility privileges you, but the payer may deny or out-of-network price claims before your effective date. Whether you can hold and later bill claims depends on each payer's retro-dating policy.
Is credentialing the same as hospital privileging?
No. Privileging is the facility's internal process to let you practice there. Payer credentialing is about getting paid. New practices run both in parallel.
How often do I re-credential?
Commercial payers typically re-credential every two to three years, mostly from your CAQH profile. Keep it attested and current and re-credentialing is painless.
Does Medicare use CAQH?
No. Medicare enrollment runs through PECOS and the CMS-855 forms. See enrolling in Medicare as a CRNA.