Independent US Healthcare Provider Directory & Public Medical Database

Healthcare Providers & Facilities in Ontario, CA

Public healthcare directory of 5,444 individual practitioners and 712 healthcare facilities located in Ontario, California.

5,444 Practitioners
712 Facilities
161 Specialties
Healthcare Facilities →

Medical Specialties in Ontario

Select a specialty to view practitioner listings, practice locations, and qualifications.

CA

Behavior Technician

2,825 Providers View →
CA

Behavior Analyst

364 Providers View →
CA

Student in an Organized Health Care Education/Training Program

184 Providers View →
CA

Marriage & Family Therapist

170 Providers View →
CA

Social Worker - Clinical

138 Providers View →
CA

Assistant Behavior Analyst

121 Providers View →
CA

Counselor - Addiction (Substance Use Disorder)

106 Providers View →
CA

Speech-Language Pathologist

98 Providers View →
CA

Pharmacist

88 Providers View →
CA

Specialist/Technologist - Speech-Language Assistant

88 Providers View →
CA

Counselor - Mental Health

80 Providers View →
CA

Community Health Worker

66 Providers View →
CA

Health & Wellness Coach

65 Providers View →
CA

Dentist - General Practice

59 Providers View →
CA

Dentist

54 Providers View →
CA

Nurse Practitioner - Family

49 Providers View →
CA

Case Manager/Care Coordinator

43 Providers View →
CA

Chiropractor

38 Providers View →
CA

Social Worker

38 Providers View →
CA

Physical Therapist

37 Providers View →
CA

Physician Assistant

37 Providers View →
CA

Counselor

33 Providers View →
CA

Rehabilitation Practitioner

33 Providers View →
CA

Licensed Vocational Nurse

31 Providers View →
CA

Counselor - School

30 Providers View →
CA

Registered Nurse

30 Providers View →
CA

Family Medicine

28 Providers View →
CA

Occupational Therapist

27 Providers View →
CA

Optometrist

26 Providers View →
CA

Peer Specialist

20 Providers View →
CA

Nurse Practitioner

18 Providers View →
CA

Registered Nurse - School

18 Providers View →
CA

Psychologist - School

15 Providers View →
CA

Doula

14 Providers View →
CA

Acupuncturist

13 Providers View →
CA

Physical Therapy Assistant

13 Providers View →
CA

Day Training/Habilitation Specialist

12 Providers View →
CA

Licensed Psychiatric Technician

12 Providers View →
CA

Massage Therapist

12 Providers View →
CA

Nurse Practitioner - Psychiatric/Mental Health

10 Providers View →
CA

Psychiatry & Neurology - Psychiatry

10 Providers View →
CA

Psychologist

10 Providers View →
CA

Health Educator

9 Providers View →
CA

Internal Medicine

9 Providers View →
CA

Physician Assistant - Medical

9 Providers View →
CA

Podiatrist - Foot & Ankle Surgery

9 Providers View →
CA

Specialist/Technologist - Athletic Trainer

9 Providers View →
CA

Dietitian, Registered

8 Providers View →
CA

Pediatrics

8 Providers View →
CA

Psychologist - Clinical

8 Providers View →
CA

Specialist

8 Providers View →
CA

Nurse Practitioner - Primary Care

7 Providers View →
CA

Occupational Therapy Assistant

7 Providers View →
CA

Counselor - Professional

6 Providers View →
CA

General Practice

6 Providers View →
CA

Occupational Therapist - Pediatrics

6 Providers View →
CA

Registered Nurse - Psychiatric/Mental Health

6 Providers View →
CA

Orthotist

5 Providers View →
CA

Technician - Attendant Care Provider

5 Providers View →
CA

Dental Assistant

4 Providers View →
CA

Dental Hygienist

4 Providers View →
CA

Orthopaedic Surgery

4 Providers View →
CA

Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

4 Providers View →
CA

Adult Companion

3 Providers View →
CA

Anesthesiology

3 Providers View →
CA

Dentist - Orthodontics and Dentofacial Orthopedics

3 Providers View →
CA

Driver

3 Providers View →
CA

Non-emergency Medical Transport (VAN)

3 Providers View →
CA

Physical Therapist - Orthopedic

3 Providers View →
CA

Podiatrist

3 Providers View →
CA

Preventive Medicine - Occupational Medicine

3 Providers View →
CA

Psychologist - Counseling

3 Providers View →
CA

Surgery

3 Providers View →
CA

Clinical Neuropsychologist

2 Providers View →
CA

Clinic/Center - Mental Health (Including Community Mental Health Center)

2 Providers View →
CA

Dentist - Endodontics

2 Providers View →
CA

Dentist - Pediatric Dentistry

2 Providers View →
CA

Internal Medicine - Nephrology

2 Providers View →
CA

Licensed Practical Nurse

2 Providers View →
CA

Nurse Practitioner - Adult Health

2 Providers View →
CA

Nurse Practitioner - Pediatrics

2 Providers View →
CA

Occupational Therapist - Mental Health

2 Providers View →
CA

Orthotic Fitter

2 Providers View →
CA

Pharmacy Technician

2 Providers View →
CA

Physical Medicine & Rehabilitation

2 Providers View →
CA

Physical Therapist - Pediatrics

2 Providers View →
CA

Private Vehicle

2 Providers View →
CA

Psychiatry & Neurology - Neurology

2 Providers View →
CA

Registered Nurse - Emergency

2 Providers View →
CA

Registered Nurse - Medical-Surgical

2 Providers View →
CA

Respiratory Therapist, Certified

2 Providers View →
CA

Respiratory Therapist, Certified - Educational

2 Providers View →
CA

Respiratory Therapist, Registered

2 Providers View →
CA

Surgery - Vascular Surgery

2 Providers View →
CA

Technician

2 Providers View →
CA

Audiologist

1 Providers View →
CA

Chiropractor - Internist

1 Providers View →
CA

Chiropractor - Occupational Health

1 Providers View →
CA

Clinical Exercise Physiologist

1 Providers View →
CA

Clinical Nurse Specialist - Neonatal

1 Providers View →
CA

Clinic/Center - Adult Day Care

1 Providers View →
CA

Clinic/Center - Adult Mental Health

1 Providers View →
CA

Community/Behavioral Health

1 Providers View →
CA

Contractor

1 Providers View →
CA

Contractor - Vehicle Modifications

1 Providers View →
CA

Dentist - Prosthodontics

1 Providers View →
CA

Developmental Therapist

1 Providers View →
CA

Dietitian, Registered - Nutrition, Metabolic

1 Providers View →
CA

Durable Medical Equipment & Medical Supplies

1 Providers View →
CA

Emergency Medicine

1 Providers View →
CA

Emergency Medicine - Sports Medicine

1 Providers View →
CA

General Acute Care Hospital

1 Providers View →
CA

Home Health

1 Providers View →
CA

Home Health Aide

1 Providers View →
CA

Hospice Care, Community Based

1 Providers View →
CA

Internal Medicine - Cardiovascular Disease

1 Providers View →
CA

Internal Medicine - Geriatric Medicine

1 Providers View →
CA

Internal Medicine - Pulmonary Disease

1 Providers View →
CA

Internal Medicine - Rheumatology

1 Providers View →
CA

Lactation Consultant, Non-RN

1 Providers View →
CA

Naturopath

1 Providers View →
CA

Nurse Anesthetist, Certified Registered

1 Providers View →
CA

Nurse Practitioner - Gerontology

1 Providers View →
CA

Nurse Practitioner - Women's Health

1 Providers View →
CA

Nurse's Aide

1 Providers View →
CA

Nutritionist - Nutrition, Education

1 Providers View →
CA

Obstetrics & Gynecology

1 Providers View →
CA

Ophthalmology

1 Providers View →
CA

Ophthalmology - Pediatric Ophthalmology and Strabismus Specialist

1 Providers View →
CA

Optometrist - Corneal and Contact Management

1 Providers View →
CA

Orthopaedic Surgery - Hand Surgery

1 Providers View →
CA

Pathology - Anatomic Pathology & Clinical Pathology

1 Providers View →
CA

Pediatrics - Pediatric Cardiology

1 Providers View →
CA

Pharmacist - Oncology

1 Providers View →
CA

Pharmacist - Pharmacotherapy

1 Providers View →
CA

Physical Medicine & Rehabilitation - Sports Medicine

1 Providers View →
CA

Physician Assistant - Surgical

1 Providers View →
CA

Plastic Surgery

1 Providers View →
CA

Preventive Medicine - Public Health & General Preventive Medicine

1 Providers View →
CA

Prosthetic/Orthotic Supplier

1 Providers View →
CA

Psychologist - Addiction (Substance Use Disorder)

1 Providers View →
CA

Psychologist - Clinical Child & Adolescent

1 Providers View →
CA

Psychologist - Health Service

1 Providers View →
CA

Psychologist - Rehabilitation

1 Providers View →
CA

Radiology - Diagnostic Radiology

1 Providers View →
CA

Radiology - Radiation Oncology

1 Providers View →
CA

Registered Nurse - Administrator

1 Providers View →
CA

Registered Nurse - Community Health

1 Providers View →
CA

Registered Nurse - Critical Care Medicine

1 Providers View →
CA

Registered Nurse - General Practice

1 Providers View →
CA

Registered Nurse - Hospice

1 Providers View →
CA

Registered Nurse - Infusion Therapy

1 Providers View →
CA

Registered Nurse - Psychiatric/Mental Health, Child & Adolescent

1 Providers View →
CA

Religious Nonmedical Practitioner

1 Providers View →
CA

Respiratory Therapist, Certified - Pulmonary Function Technologist

1 Providers View →
CA

Respiratory Therapist, Registered - Neonatal/Pediatrics

1 Providers View →
CA

Social Worker - School

1 Providers View →
CA

Taxi

1 Providers View →
CA

Technician, Pathology - Phlebotomy

1 Providers View →
CA

Technician - Personal Care Attendant

1 Providers View →
CA

Urology

1 Providers View →
Medical Facilities & Groups

Looking for Healthcare Organizations in Ontario?

Explore hospitals, group practices, specialized facilities, and medical centers operating in Ontario, CA.

View All Ontario Providers →

Featured Healthcare Providers in Ontario

Sample practitioner profiles registered in Ontario, CA.

Dr. Rex Manayan , MD

Surgery - Vascular Surgery

Medicare Accepted
3333 Concours Ste 100, Ontario, CA
Phone: 9094813242
NPI: 1649278599 View Profile →

Dr. Hao Yu , DDS

Dentist

1520 N Mountain Ave, Ontario, CA
Phone: 9099889690
NPI: 1225030984 View Profile →

Dr. Eric Gureghian , MD

Internal Medicine

3990 Concours, Ontario, CA
Phone: 9096058000
NPI: 1942293006 View Profile →

Hope Santiago , NP

Nurse Practitioner

2618 Sherwin Creek Pl, Ontario, CA
Phone: 9099474306
NPI: 1245226000 View Profile →

Barry Bricca , MS

Audiologist

2295 S Vineyard Ave, Ontario, CA
Phone: 9097242286
NPI: 1558359075 View Profile →

Ricardo Vela , NP

Registered Nurse

Medicare Accepted
403 W F St, Ontario, CA
Phone: 9099883288
NPI: 1881677649 View Profile →