Work-history gaps: the explanation credentialing committees accept

What CAQH's work-history section actually asks for

CAQH ProView's professional/work-history section wants a continuous, chronological account of your clinical and non-clinical work, and its own instructions flag any period it considers unexplained for follow-up 1Ref 1CAQH (2026).CAQH Provider Data Portal Sign In.Where a clinician logs in to view and check the current instructions for the work-history/gap section of the profile.2Ref 2CAQH (2026).CAQH.That CAQH operates the self-reported provider data portal that requires a continuous work-history account as part of the profile.. The exact length of gap that triggers a flag is set inside the portal itself and is worth confirming the day you fill out the section, rather than assuming a number you remember from a previous application is still current.

That confirmation step matters because the point of the section is continuity, not perfection — a reviewer reading a gap-free timeline moves faster than one who has to stop and request an explanation, and a stale assumption about the threshold is an easy way to submit an incomplete section without realizing it. Anyone building caqh proview from zero fills this section out for the first time with no prior entries to reconcile; updating it later, once a career has real gaps to explain, is the harder version of the same task.

Why credentialing reviewers care about continuity at all

Commercial credentialing generally follows NCQA's standards, which build in primary-source verification of your history and a defined aging window before that verification has to be repeated 3Ref 3National Committee for Quality Assurance (2026).Credentialing — NCQA.That NCQA's credentialing standards require primary-source verification and a defined evidence-aging window, explaining why reviewers need a gap resolved before finalizing verification.. A gap in your reported history is something a reviewer has to resolve one way or another before finalizing that verification — either by accepting your explanation or following up for more detail — so an unexplained gap doesn't fail your application, it just adds a round trip to the timeline.

That framing matters for how you write the explanation: a reviewer isn't evaluating your life choices, they're closing an open item on a checklist. A factual, dated, one- or two-sentence explanation usually closes it faster than a longer one that reads as defensive.

That's also why a gap explanation is worth revisiting even after it's accepted once — a reviewer who approved a profile eighteen months ago isn't the same person reviewing your recredentialing file today, and a two-year-old note that made sense at the time may need a sentence added if your situation has moved on since.

Categories of explanation that satisfy a reviewer

A short list of gap categories accounts for most solo-clinician timelines, and naming the one that applies to you is usually enough on its own — reviewers aren't evaluating whether your reason was a good one, only whether the reported timeline is fully accounted for from one entry to the next.

• Further training or education — fellowship, postdoctoral supervision hours, an additional license or certification.
• Family, parental, or medical leave — stated plainly, without medical detail you aren't required to disclose.
• Relocation or licensure transfer — time between closing one practice and opening or joining another in a new state.
• Non-clinical work — research, administration, industry, or consulting; still employment, just not direct patient care.
• A voluntary practice pause — a sabbatical or a deliberate break; naming it as such is sufficient.

Whichever applies, keep the entry brief and dated — a start month, an end month, one clause of reason, nothing else. The goal is a closed item, not a narrative. This category list runs alongside a related one: the disclosure questions about malpractice claims and sanctions ask for a similarly factual, dated answer rather than a narrative, and reviewers read both the same way.

What isn't really a gap

Part-time practice, moonlighting alongside a primary role, and per diem or locum work are employment, not gaps — the mistake that creates unnecessary follow-up is leaving them off the timeline because they felt too minor to list. A reviewer reading a blank period has no way to distinguish "nothing happened" from "the applicant forgot to mention a part-time role," so the safer default is listing everything with dates rather than pre-deciding what counts.

The same applies to overlapping entries — two roles held at once, common during a transition between practices, aren't a conflict to hide; list both with their actual dates and let the timeline show the overlap plainly.

Volunteer clinical work, supervision hours toward a license, and short-term locum coverage fall into the same category — worth listing with dates even when the arrangement felt informal, since "informal" and "undocumented" read the same way to a reviewer working only from what's on the page.

Check your own record before you write the explanation

Before finalizing a gap explanation, a self-query of the NPDB shows you exactly what a credentialing committee will see when it checks your malpractice and licensure history independently of anything you report in CAQH 4Ref 4Health Resources and Services Administration (2026).NPDB Self-Query.That any practitioner can self-query the NPDB for a small fee and see exactly what a credentialing committee will see, supporting the check-your-own-record-first step.5Ref 5Health Resources and Services Administration (2026).National Practitioner Data Bank.That the NPDB collects malpractice payments and adverse licensure actions independently of what a provider reports in CAQH, supporting the consistency check between the two.. That matters because your written explanation should be consistent with what that record already shows — a gap you describe as a voluntary pause reads very differently next to an unrelated licensure action a reviewer finds on their own.

The self-query costs a small fee and returns the same report a hospital or plan would pull, so there's no guessing involved — you're checking the actual document, not estimating what it probably contains. That self-query pairs naturally with disclosing claims history: reviewing what you'd need to report if a claim exists, before a reviewer's own record turns up something your gap explanation didn't anticipate.

Keeping the explanation current as your history changes

A work-history explanation isn't a one-time entry — every CAQH re-attestation is a chance for the gap to have closed (you started a new role) or lengthened (you're still between positions), and the portal expects the current, accurate version each time, not whatever you wrote the first time you filled it out.

Treat it the same way as any other CAQH field: update it the moment your situation changes, rather than waiting for the next scheduled re-attestation to catch up, since an application submitted mid-cycle pulls whatever is in the profile at that moment, gap explanation included.

A quick way to build this habit is treating the gap-explanation field the same way you'd treat a mailing address: something you update the moment it changes, not something you revisit only when a form specifically asks. The five minutes it takes at the moment of change is considerably shorter than the research needed to reconstruct exact dates a year later.