Find a Specialist
Browse all 46 specialties covered by Online Health Directory. Each one bundles the NPI taxonomy codes patients actually search for under a single plain-English name.
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Primary care & generalist
- Primary Care Doctor
General doctor for everyday health needs, checkups, and managing chronic conditions.
724,427 active providers
- Pediatrician
Doctor specializing in the medical care of infants, children, and teenagers.
101,027 active providers
- OB/GYN
Doctor for women's reproductive health, pregnancy, and childbirth.
53,498 active providers
- Urgent Care
Walk-in clinics for non-emergency illnesses and injuries that need same-day attention.
192 active providers
Heart, lungs, digestion
- Cardiologist
Heart and blood vessel specialist.
29,605 active providers
- Pulmonologist
Lung and respiratory specialist.
9,275 active providers
- Gastroenterologist
Specialist for stomach, intestines, and digestive system conditions.
16,486 active providers
- Allergist
Doctor specializing in allergies, asthma, and immune system disorders.
4,813 active providers
Skin, eyes, ears
- Dermatologist
Skin, hair, and nail specialist.
15,350 active providers
- Ophthalmologist
Medical doctor for eye disease, surgery, and vision problems.
21,861 active providers
- Optometrist
Routine eye care including exams, prescriptions, and contact lens fitting.
59,917 active providers
- ENT Doctor
Specialist for ear, nose, throat, head, and neck conditions.
11,392 active providers
- Audiologist
Hearing and balance specialist; hearing tests and hearing aid fitting.
20,325 active providers
Mental health
Brain, nerves, joints, bones
- Neurologist
Specialist for conditions of the brain, spinal cord, and nervous system.
19,810 active providers
- Orthopedist
Bone, joint, and musculoskeletal specialist; treats injuries and arthritis.
25,633 active providers
- Rheumatologist
Specialist for arthritis and autoimmune diseases of joints, muscles, and bones.
6,147 active providers
- Pain Management Doctor
Specialist for chronic and severe pain treatment.
2,506 active providers
- Physical Therapist
Movement and rehabilitation specialist for injury recovery and chronic pain.
255,852 active providers
Hormones, kidneys, blood, immune
- Endocrinologist
Specialist for hormone-related conditions including diabetes and thyroid disorders.
9,260 active providers
- Nephrologist
Kidney specialist; treats kidney disease and high blood pressure.
10,460 active providers
- Urologist
Specialist for urinary tract and male reproductive health.
13,599 active providers
- Oncologist
Cancer specialist; diagnosis and treatment of cancer.
12,554 active providers
Reproductive
Surgical
- General Surgeon
Surgeon for a wide range of operations, especially abdominal and digestive procedures.
35,912 active providers
- Plastic Surgeon
Surgeon for reconstructive and cosmetic procedures.
5,904 active providers
- Bariatric Surgeon
Surgeon specializing in weight-loss procedures like gastric bypass and sleeve gastrectomy.
35,912 active providers
- Vascular Surgeon
Surgeon for blood vessel and circulation problems.
4,220 active providers
Pediatric subspecialties
- Pediatric Cardiologist
Heart specialist for infants, children, and teenagers.
2,554 active providers
- Pediatric Neurologist
Brain and nervous system specialist for children.
1,814 active providers
- Pediatric Oncologist
Cancer specialist for infants, children, and teenagers.
2,567 active providers
- Developmental Pediatrician
Pediatrician for developmental delays, autism, ADHD, and learning differences.
958 active providers
Foot, mouth, women's, men's
- Podiatrist
Foot and ankle specialist.
19,388 active providers
- Dentist
General dental care including cleanings, fillings, and routine procedures.
222,971 active providers
- Orthodontist
Dental specialist for braces, aligners, and teeth alignment.
12,341 active providers
- Oral Surgeon
Surgeon for wisdom teeth, jaw surgery, and complex dental procedures.
7,595 active providers
Other physician
- Geriatrician
Doctor specializing in the medical care of older adults.
15,651 active providers
- Infectious Disease Doctor
Specialist for serious or complex infections including HIV, hepatitis, and Lyme disease.
8,268 active providers
- Sleep Doctor
Specialist for sleep disorders including sleep apnea and insomnia.
1,531 active providers
Non-physician
- Chiropractor
Spinal adjustment and musculoskeletal care.
95,121 active providers
- Dietitian
Nutrition specialist for diet planning, weight management, and medical nutrition therapy.
69,259 active providers
- Acupuncturist
Practitioner of acupuncture for pain management and various conditions.
33,352 active providers
- Midwife
Specialist in pregnancy care, childbirth, and women's health.
16,910 active providers
Specialized commercial
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