HealthcareDiscovery.AI / Doctors / California / Thousand Oaks

Doctors in Thousand Oaks, California

Data updated monthly · Last refresh September 2026

594 licensed providers practice in Thousand Oaks across 89 specialties, and 38% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

594providers

89specialties

38%with industry payments

Specialties in Thousand Oaks

Internal Medicine in Thousand Oaks (63) · 43% received drug or device payments
Chiropractor in Thousand Oaks (56) · 0% received drug or device payments
Acupuncturist in Thousand Oaks (43) · 0% received drug or device payments
Family Medicine in Thousand Oaks (38) · 50% received drug or device payments
Anesthesiology in Thousand Oaks (31) · 32% received drug or device payments
Registered Dietitian in Thousand Oaks (30) · 0% received drug or device payments
Neurology in Thousand Oaks (16)
Diagnostic Radiology in Thousand Oaks (16)
Dermatology in Thousand Oaks (16)
Anatomic Pathology & Clinical Pathology in Thousand Oaks (15)
Cardiovascular Disease in Thousand Oaks (14)
Surgery in Thousand Oaks (13)
Obstetrics & Gynecology in Thousand Oaks (13)
Emergency Medicine in Thousand Oaks (13)
Pediatrics in Thousand Oaks (13)
Ophthalmology in Thousand Oaks (10)
Gastroenterology in Thousand Oaks (10)
Hospitalist in Thousand Oaks (9)
Otolaryngology in Thousand Oaks (9)
Pulmonary Disease in Thousand Oaks (8)
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Thousand Oaks (8)
Nephrology in Thousand Oaks (8)
Neurological Surgery in Thousand Oaks (7)
Orthopaedic Surgery in Thousand Oaks (7)
Hematology & Oncology in Thousand Oaks (6)
Plastic Surgery in Thousand Oaks (5)
Rheumatology in Thousand Oaks (5)
Endocrinology, Diabetes & Metabolism in Thousand Oaks (5)
Urology in Thousand Oaks (5)
Infectious Disease in Thousand Oaks (5)
Interventional Cardiology in Thousand Oaks (4)
Plastic and Reconstructive Surgery in Thousand Oaks (4)
General Practice in Thousand Oaks (4)
Naturopath in Thousand Oaks (3)
Adult Medicine in Thousand Oaks (3)
Child & Adolescent Psychiatry in Thousand Oaks (3)
Pain Medicine (Anesthesiology) in Thousand Oaks (3)
Vascular Surgery in Thousand Oaks (3)
Sports Physician Chiropractor in Thousand Oaks (3)
Clinical Cardiac Electrophysiology in Thousand Oaks (3)
Sports Medicine (Orthopaedic Surgery) in Thousand Oaks (3)
Allergy in Thousand Oaks (2)
Psychiatry in Thousand Oaks (2)
Surgical Oncology in Thousand Oaks (2)
Rehabilitation Chiropractor in Thousand Oaks (2)
Pediatric Orthopaedic Surgery in Thousand Oaks (2)
Renal Nutrition Registered Dietitian in Thousand Oaks (2)
Nutrition Education Nutritionist in Thousand Oaks (2)
Physical Medicine & Rehabilitation in Thousand Oaks (2)
Sleep Medicine (Internal Medicine) in Thousand Oaks (2)
Emergency Medical Services (Emergency Medicine) in Thousand Oaks (2)
Radiation Oncology in Thousand Oaks (2)
Surgery of the Hand (Plastic Surgery) in Thousand Oaks (2)
Maternal & Fetal Medicine in Thousand Oaks (2)
Allergy & Immunology (Internal Medicine) in Thousand Oaks (1)
Orthopaedic Trauma in Thousand Oaks (1)
Public Health & General Preventive Medicine in Thousand Oaks (1)
Nutrition Chiropractor in Thousand Oaks (1)
Adult Reconstructive Orthopaedic Surgery in Thousand Oaks (1)
Procedural Dermatology in Thousand Oaks (1)
Pediatric Anesthesiology in Thousand Oaks (1)
Geriatric Medicine (Family Medicine) in Thousand Oaks (1)
Obstetrics in Thousand Oaks (1)
Geriatric Psychiatry in Thousand Oaks (1)
Pediatric Critical Care Medicine in Thousand Oaks (1)
Epilepsy in Thousand Oaks (1)
Hospice and Palliative Medicine (Internal Medicine) in Thousand Oaks (1)
Developmental - Behavioral Pediatrics in Thousand Oaks (1)
Sports Medicine (Family Medicine) in Thousand Oaks (1)
Medical Oncology in Thousand Oaks (1)
Pain Medicine (Physical Medicine & Rehabilitation) in Thousand Oaks (1)
Nutritionist in Thousand Oaks (1)
MOHS-Micrographic Surgery in Thousand Oaks (1)
Neurology Chiropractor in Thousand Oaks (1)
Pediatric Adolescent Medicine in Thousand Oaks (1)
Critical Care Medicine (Internal Medicine) in Thousand Oaks (1)
Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) in Thousand Oaks (1)
Pediatric Hematology & Oncology in Thousand Oaks (1)
Orthopaedic Foot and Ankle Surgery in Thousand Oaks (1)
Pediatric Radiology in Thousand Oaks (1)
Gynecology in Thousand Oaks (1)
Occupational Health Chiropractor in Thousand Oaks (1)
Metabolic Nutrition Registered Dietitian in Thousand Oaks (1)
Pediatric Surgery in Thousand Oaks (1)
Reproductive Endocrinology in Thousand Oaks (1)
Preventive Medicine/Occupational Environmental Medicine in Thousand Oaks (1)
Clinical Pathology/Laboratory Medicine in Thousand Oaks (1)
Critical Care Medicine (Anesthesiology) in Thousand Oaks (1)
Pediatric Cardiology in Thousand Oaks (1)

Common questions

How many doctors practice in Thousand Oaks, California?

594 licensed providers with active NPI records list a practice address in Thousand Oaks, according to federal NPPES data refreshed monthly.

How many doctors in Thousand Oaks received drug or device company payments?

228 of 594 providers in Thousand Oaks (38%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.