What Is a CAQ in Medicine and Why Does It Matter?

CAQ stands for Certificate of Added Qualifications, a credential that recognizes a physician or physician assistant (PA) who has developed specialized expertise within a particular area of medicine. It signals that a clinician has gone beyond their primary board certification to demonstrate advanced knowledge in a focused subspecialty like sports medicine, pain medicine, or geriatric medicine.

How a CAQ Works

Think of a CAQ as a layer on top of an existing medical credential. A family medicine doctor, for example, is already board-certified to practice family medicine. If that same doctor completes additional fellowship training and passes a subspecialty exam in sports medicine, they can earn a CAQ in that field. It doesn’t replace their primary certification. It adds to it, formally documenting that they have deeper training in a specific area.

For physicians, CAQs are issued through member boards of the American Board of Medical Specialties (ABMS). The American Board of Family Medicine, for instance, currently offers CAQs in seven subspecialties: Adolescent Medicine, Geriatric Medicine, Hospice and Palliative Medicine, Pain Medicine, Sleep Medicine, Sports Medicine, and Health Care Administration, Leadership, and Management. Other ABMS member boards offer their own subspecialty credentials in areas relevant to their specialties.

It’s worth noting that ABMS has been shifting its official language toward “subspecialty certification” rather than “Certificate of Added Qualifications.” The practical meaning is the same, but if you see both terms used in different contexts, they refer to the same type of credential.

CAQs for Physician Assistants

Physician assistants can also earn CAQs, though the pathway looks different. The National Commission on Certification of Physician Assistants (NCCPA) administers the CAQ program for PAs. Instead of completing a fellowship, PAs qualify through a combination of hands-on clinical experience and continuing education.

To be eligible, a PA typically needs between 2,000 and 4,000 hours of clinical experience in the specialty, accumulated within the six years before applying. They also need at least 75 credits of specialty-focused continuing medical education during that same six-year window. After meeting those requirements, candidates sit for a specialty-specific exam.

This pathway makes the CAQ accessible to PAs who have built deep expertise through years of focused clinical work rather than a formal fellowship program.

What Earning a CAQ Requires

For physicians, the standard route involves completing an accredited fellowship in the subspecialty after finishing residency training. Fellowships generally last one to two years depending on the field. After completing the fellowship, the physician takes a certification exam administered by the relevant ABMS member board.

For PAs, the requirements center on documented practice hours and continuing education credits, followed by a certification exam through NCCPA. The hour thresholds vary by specialty, ranging from 2,000 to 4,000 hours, and the 75 CME credits must be directly relevant to the subspecialty area.

Both pathways require the clinician to already hold their primary board certification in good standing. You can’t pursue a CAQ without first being certified in your base specialty.

Why It Matters for Patients

When you see that a doctor or PA holds a CAQ, it tells you something specific: this person chose to invest additional years of training or thousands of hours of focused practice in a particular area, then passed a rigorous exam to prove their knowledge. It’s a reliable signal of subspecialty competence.

This can be especially useful when you’re looking for a provider with expertise in a niche area. A family medicine doctor with a CAQ in geriatric medicine, for instance, has formally demonstrated skills in caring for older adults that go well beyond general family practice. A PA with a CAQ in emergency medicine has verified, specialized experience in that setting.

CAQs also require ongoing maintenance. Holders must continue meeting education and practice requirements to keep their credential active, so it reflects current competence rather than a one-time achievement from years ago.

Common Subspecialties With CAQs

  • Sports Medicine: Diagnosis and treatment of musculoskeletal injuries and exercise-related conditions.
  • Pain Medicine: Management of chronic and acute pain through a range of treatment approaches.
  • Geriatric Medicine: Care tailored to the complex health needs of older adults.
  • Hospice and Palliative Medicine: Comfort-focused care for patients with serious or terminal illnesses.
  • Sleep Medicine: Evaluation and treatment of sleep disorders like sleep apnea and insomnia.
  • Adolescent Medicine: Health care addressing the unique physical and behavioral needs of teenagers.

The full range of available CAQs extends across many medical specialties. Different ABMS member boards and the NCCPA each maintain their own lists of recognized subspecialties, so the options vary depending on whether the clinician is a physician or a PA and what their primary specialty is.