NPI lookup in Ontario, California
6,249 providers list a practice address here. Pick a specialty to see each one's NPI, address and phone.
- Behavior Technician 2,923
- Behavior Analyst 374
- Marriage & Family Therapist 182
- Student in an Organized Health Care Education/Training Program 174
- Clinical Social Worker 151
- Assistant Behavior Analyst 125
- Speech-Language Pathologist 106
- Addiction (Substance Use Disorder) Counselor 103
- General Practice Dentistry 92
- Pharmacist 90
- Speech-Language Assistant 88
- Mental Health Counselor 86
- Dentist 81
- Health & Wellness Coach 69
- Community Health Worker 67
- Family Nurse Practitioner 56
- Durable Medical Equipment & Medical Supplies 46
- Chiropractor 45
- Case Manager/Care Coordinator 42
- Social Worker 41
- Physical Therapist 39
- Family Medicine Physician 39
- Physician Assistant 38
- Home Health Agency 36
- Community Based Hospice Care Agency 35
- Rehabilitation Practitioner 35
- Registered Nurse 32
- Optometrist 32
- Counselor 32
- School Counselor 31
- Non-emergency Medical Transport (VAN) 30
- Occupational Therapist 29
- Licensed Vocational Nurse 28
- Dental Clinic/Center 24
- Psychiatric/Mental Health Nurse Practitioner 22
- Peer Specialist 21
- Doula 21
- School Registered Nurse 20
- Nurse Practitioner 18
- Community/Retail Pharmacy 17
- Mental Health Clinic/Center (Including Community Mental Health Center) 16
- Acupuncturist 16
- School Psychologist 16
- Urgent Care Clinic/Center 15
- Massage Therapist 15
- Specialist 15
- Clinic/Center 14
- In Home Supportive Care Agency 14
- Internal Medicine Physician 14
- Community/Behavioral Health Agency 13
- Physical Therapy Assistant 13
- Foot & Ankle Surgery Podiatrist 13
- Clinical Psychologist 13
- Psychologist 13
- General Practice Physician 13
- Day Training/Habilitation Specialist 12
- Psychiatry Physician 12
- Pediatrics Physician 12
- Skilled Nursing Facility 11
- Clinical Medical Laboratory 11
- Licensed Psychiatric Technician 11
- Registered Dietitian 10
- Athletic Trainer 9
- Primary Care Nurse Practitioner 9
- Orthopaedic Surgery Physician 9
- Pharmacy 8
- Medical Physician Assistant 8
- Health Educator 8
- Prosthetic/Orthotic Supplier 7
- Intellectual and/or Developmental Disabilities Residential Treatment Facility 7
- Assisted Living Facility 7
- Health Service Clinic/Center 7
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center 7
- Ambulatory Surgical Clinic/Center 7
- Case Management Agency 7
- Occupational Therapy Assistant 7
- Pediatric Occupational Therapist 7
- Surgery Physician 7
- Local Education Agency (LEA) 6
- Psychiatric/Mental Health Registered Nurse 6
- Pediatric Dentistry 6
- Professional Counselor 6
- Eyewear Supplier 5
- Primary Care Clinic/Center 5
- Federally Qualified Health Center (FQHC) 5
- Attendant Care Provider 5
- Diagnostic Radiology Physician 5
- Long Term Care Pharmacy 4
- Health Maintenance Organization 4
- Occupational Medicine Clinic/Center 4
- Multi-Specialty Clinic/Center 4
- Hearing and Speech Clinic/Center 4
- Community Health Clinic/Center 4
- Orthotist 4
- Podiatrist 4
- Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 4
- Driver 4
- Dental Hygienist 4
- Dental Assistant 4
- Occupational Medicine Physician 4
- Nephrology Physician 4
- Anesthesiology Physician 4
- Private Vehicle 3
- Emotionally Disturbed Childrens' Residential Treatment Facility 3
- Intellectual Disabilities Intermediate Care Facility 3
- Preferred Provider Organization 3
- Physical Therapy Clinic/Center 3
- Adult Mental Health Clinic/Center 3
- Adolescent and Children Mental Health Clinic/Center 3
- Registered Respiratory Therapist 3
- Certified Respiratory Therapist 3
- Orthopedic Physical Therapist 3
- Adult Companion 3
- Orthodontics and Dentofacial Orthopedics Dentistry 3
- Counseling Psychologist 3
- Physical Medicine & Rehabilitation Physician 3
- Non-Pharmacy Dispensing Site 2
- Parenteral & Enteral Nutrition Supplies (DME) 2
- Oxygen Equipment & Supplies (DME) 2
- Lodging Provider 2
- Exclusive Provider Organization 2
- Podiatric Clinic/Center 2
- Methadone Clinic 2
- Adult Day Care Clinic/Center 2
- Voluntary or Charitable Agency 2
- Public Health or Welfare Agency 2
- Early Intervention Provider Agency 2
- Electroneurodiagnostic Specialist/Technologist 2
- Hearing Instrument Specialist 2
- Educational Certified Respiratory Therapist 2
- Pediatric Physical Therapist 2
- Orthotic Fitter 2
- Mental Health Occupational Therapist 2
- Primary Podiatric Medicine Podiatrist 2
- Pediatric Nurse Practitioner 2
- Adult Health Nurse Practitioner 2
- Pharmacy Technician 2
- Legal Medicine 2
- Technician 2
- Medical-Surgical Registered Nurse 2
- Infusion Therapy Registered Nurse 2
- Emergency Registered Nurse 2
- Community Health Registered Nurse 2
- Endodontics 2
- Orthopedic Chiropractor 2
- Occupational Health Chiropractor 2
- Clinical Neuropsychologist 2
- Urology Physician 2
- Vascular Surgery Physician 2
- Neurology Physician 2
- Pediatric Cardiology Physician 2
- Ophthalmology Physician 2
- Obstetrics & Gynecology Physician 2
- Geriatric Medicine (Internal Medicine) Physician 2
- Taxi 1
- Air Ambulance 1
- Ambulance 1
- Institutional Pharmacy 1
- Home Infusion Therapy Pharmacy 1
- Compounding Pharmacy 1
- Hearing Aid Equipment 1
- Customized Equipment (DME) 1
- Respite Care 1
- Substance Abuse Rehabilitation Facility 1
- Psychiatric Residential Treatment Facility 1
- Mental Illness Community Based Residential Treatment Facility 1
- Adult Care Home Facility 1
- Point of Service 1
- Physiological Laboratory 1
- Dental Laboratory 1
- Long Term Care Hospital 1
- Women's Hospital 1
- General Acute Care Hospital 1
- Substance Use Disorder Rehabilitation Clinic/Center 1
- Radiology Clinic/Center 1
- Oral and Maxillofacial Surgery Clinic/Center 1
- Ophthalmologic Surgery Clinic/Center 1
- Medical Specialty Clinic/Center 1
- Supports Brokerage Agency 1
- PACE Provider Organization 1
- Phlebotomy Technician 1
- Magnetic Resonance Imaging Radiologic Technologist 1
- Audiologist 1
- Neonatal/Pediatric Registered Respiratory Therapist 1
- Pulmonary Function Technologist Certified Respiratory Therapist 1
- Developmental Therapist 1
- Clinical Exercise Physiologist 1
- Surgical Physician Assistant 1
- Women's Health Nurse Practitioner 1
- Obstetrics & Gynecology Nurse Practitioner 1
- Acute Care Nurse Practitioner 1
- Certified Registered Nurse Anesthetist 1
- Neonatal Clinical Nurse Specialist 1
- Pharmacotherapy Pharmacist 1
- Oncology Pharmacist 1
- Midwife 1
- Lactation Consultant (Non-RN) 1
- Interpreter 1
- Vehicle Modifications Contractor 1
- Contractor 1
- Personal Care Attendant 1
- Religious Nonmedical Practitioner 1
- Nurse's Aide 1
- Home Health Aide 1
- Child & Adolescent Psychiatric/Mental Health Registered Nurse 1
- Hospice Registered Nurse 1
- General Practice Registered Nurse 1
- Critical Care Medicine Registered Nurse 1
- Administrator Registered Nurse 1
- Licensed Practical Nurse 1
- Corneal and Contact Management Optometrist 1
- Paramedic 1
- Nutrition Education Nutritionist 1
- Metabolic Nutrition Registered Dietitian 1
- Prosthodontics 1
- Public Health Dentistry 1
- Rehabilitation Chiropractor 1
- Internist Chiropractor 1
- Independent Medical Examiner Chiropractor 1
- School Social Worker 1
- Rehabilitation Psychologist 1
- Health Service Psychologist 1
- Clinical Child & Adolescent Psychologist 1
- Addiction (Substance Use Disorder) Psychologist 1
- Radiation Oncology Physician 1
- Public Health & General Preventive Medicine Physician 1
- Obesity Medicine (Preventive Medicine) Physician 1
- Plastic Surgery Physician 1
- Sports Medicine (Physical Medicine & Rehabilitation) Physician 1
- Pain Medicine (Physical Medicine & Rehabilitation) Physician 1
- Anatomic Pathology & Clinical Pathology Physician 1
- Facial Plastic Surgery Physician 1
- Orthopaedic Hand Surgery Physician 1
- Pediatric Ophthalmology and Strabismus Specialist Physician 1
- Neurological Surgery Physician 1
- Legal Medicine (M.D./D.O.) Physician 1
- Rheumatology Physician 1
- Pulmonary Disease Physician 1
- Cardiovascular Disease Physician 1
- Hospitalist Physician 1
- Sports Medicine (Emergency Medicine) Physician 1
- Emergency Medicine Physician 1
- Dermatology Physician 1
Newest NPIs in Ontario
- Enoch EspinosaSchool Registered Nurse Ontario, CA NPI 1316846967
- Salome CamachoBehavior Technician Ontario, CA NPI 1316846843
- Mahesia R. CaseyBehavior Technician Ontario, CA NPI 1134028814
- Chaparral Medical Group Inc.Family Medicine Physician Ontario, CA NPI 1902704604
- Nyemia Jackson RhodesHealth & Wellness Coach Ontario, CA NPI 1568360261
- Isabella CastroBehavior Technician Ontario, CA NPI 1659279644
- Steven Vigil, FNP-CPrimary Care Nurse Practitioner Ontario, CA NPI 1265330112
- Jennifer GarciaRegistered Nurse Ontario, CA NPI 1215835343
Newest organizations
- Chaparral Medical Group Inc.Family Medicine Physician Ontario, CA NPI 1902704604
- Olga L Reyes A Dental CorpDentist Ontario, CA NPI 1083510614
- Clearway Health, A Professional Nursing CorporationPsychiatric/Mental Health Nurse Practitioner Ontario, CA NPI 1538064365
- Pacificway Nemt LLCNon-emergency Medical Transport (VAN) Ontario, CA NPI 1811891583
- Lucidpath Advanced Nursing Practice PCPsychiatric/Mental Health Nurse Practitioner Ontario, CA NPI 1326942038
- Fm-Recovery LLCMassage Therapist Ontario, CA NPI 1982517538
- Guiding Light TherapyClinical Social Worker Ontario, CA NPI 1437061348
- Wellness Promoters LLCRegistered Nurse Ontario, CA NPI 1306756945
- Avitality Medical Professional CorporationFamily Medicine Physician Ontario, CA NPI 1457269136
- Axivon Creations IncDurable Medical Equipment & Medical Supplies Ontario, CA NPI 1326955022