A specialty doctor is a physician who focuses on a specific area of medicine rather than treating a broad range of conditions. Instead of seeing patients for general health concerns the way a primary care doctor does, a specialty doctor has advanced training in one field, such as cardiology, dermatology, or orthopedic surgery. In the United States, there are 38 recognized medical specialties and 89 subspecialties. In the United Kingdom’s National Health Service, “specialty doctor” also refers to a specific career grade with its own contract and pay scale.
What Specialty Doctors Do
Specialty doctors diagnose and manage conditions that fall outside the typical scope of a primary care provider. That might mean performing a procedure your general doctor isn’t trained for, interpreting complex test results, or managing a chronic disease that requires deep expertise in one organ system or disease type. Some specialties are primarily medical (rheumatology, endocrinology), some are surgical (neurosurgery, orthopedics), and some are diagnostic (pathology, radiology).
The major categories include internal medicine subspecialties like gastroenterology and pulmonology, surgical specialties like general surgery and urology, and fields that blend both approaches like obstetrics and gynecology. There are also specialties built around patient populations (pediatrics, geriatrics) or care settings (emergency medicine, critical care).
How You Get Referred to One
Most people see a specialty doctor after a referral from their primary care provider. The process starts when your primary care doctor determines that your condition needs evaluation or treatment beyond what they typically handle. They’ll identify the right type of specialist, send over your medical records, lab results, and imaging, and coordinate the handoff.
After the specialist evaluates you, their findings and treatment recommendations go back to your primary care doctor. Ideally, both physicians agree on a management plan and clarify who’s responsible for what going forward. In practice, this coordination doesn’t always go smoothly. Referral tracking, information transfer, and follow-up communication between doctors remain common weak points in the system.
Some specialists you can see without a referral, depending on your insurance plan. Dermatologists, psychiatrists, and OB-GYNs are common examples, though this varies by insurer.
Training Required to Become a Specialist
After four years of medical school, a doctor enters residency training in their chosen specialty. The length of residency varies significantly by field. Internal medicine, family practice, and pediatrics each take three years. Emergency medicine runs three to four years. General surgery and orthopedic surgery each require five years. Neurosurgery is the longest at seven years.
Several specialties also require a preliminary or transitional year before residency begins. Dermatology, anesthesiology, ophthalmology, neurology, radiology, and radiation oncology all add this extra year to their training timeline. After residency, many doctors pursue fellowship training in a subspecialty, which adds another one to three years. A cardiologist, for example, completes three years of internal medicine residency followed by a cardiology fellowship.
All told, a subspecialist may train for 10 to 15 years after college before practicing independently.
The UK “Specialty Doctor” Grade
In the NHS, “specialty doctor” has a more specific meaning. It’s a formal career grade within the SAS (specialty, associate specialist, and specialist) group. A specialty doctor in this context is a physician with more than four years of postgraduate experience who has worked at least two years in their relevant specialty. They are not trainees, but they also aren’t consultants.
SAS doctors make up a substantial portion of the NHS workforce. As of 2023, roughly 64,000 SAS doctors accounted for nearly 30% of the UK’s medical workforce, a 40% increase over just five years. Non-training doctors now hold over half of all secondary care positions in the NHS.
How Specialty Doctors Differ From Consultants
In the UK system, consultants sit at the top of the medical hierarchy. They’ve completed the full training pathway in their specialty, hold a place on the GMC’s specialist register, and work with full clinical autonomy. A consultant accepts ultimate responsibility for the care of patients referred to them, even when other doctors carry out the day-to-day treatment. Beyond patient care, consultants lead multidisciplinary teams and oversee the work of junior doctors.
Specialty doctors, by contrast, spend a greater portion of their time on direct patient care and have a more focused clinical role. Senior specialty doctors may take on increasing decision-making responsibility and can engage in teaching, research, audit, and service development. But they don’t carry the same level of overall accountability for a patient’s care pathway that a consultant does. Specialty doctors who want to reach consultant level can apply for specialist registration through a portfolio pathway, demonstrating equivalent knowledge and experience without having completed a formal training program.
Pay and Working Conditions in the NHS
Under the 2021 contract, NHS specialty doctors in England start at £61,542 per year and progress through pay thresholds based on experience. After three years, pay rises to £70,901. At six years it reaches £79,038, at nine years £87,486, and at twelve years it hits £99,216, where it remains for the rest of the scale. These figures reflect a 4% increase applied from April 2025.
A standard full-time week consists of ten programmed activities, each equivalent to four hours. Doctors on shift rotas work a maximum of four consecutive nights or four consecutive long day shifts, with at least 46 hours of rest when transitioning between day and night shifts. Those on on-call rotas receive an additional availability supplement.
Professional development is built into the contract. Specialty doctors receive time for continuing education, training, and research as part of their job plan, plus up to 30 days of paid study leave over any three-year period.
Challenges Facing SAS Doctors
Despite their growing numbers, SAS doctors have reported feeling marginalized within the NHS. Surveys have found that many experience limited career development opportunities, inadequate induction processes, and workplace discrimination, particularly among international medical graduates and doctors from ethnic minority backgrounds. The rapid growth of this workforce, without proportional investment in support structures, has led some researchers to describe SAS doctors as a “lost tribe” within the system.

