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Internist Clinics in Fullerton, California
Browse internist clinics serving Fullerton, California. View locations on the map, see hours and services, and book appointments online with providers that accept new patients.
Internist Clinics in Fullerton
Browse internist clinics serving Fullerton, California. View locations on the map, see hours and services, and book appointments online with providers that accept new patients.
Showing 1–10 of 13
Sports Medicine; Urgent Care; Cardiologist; Neurologist + 5 more
101 E Valencia Mesa Dr, Fullerton, CA
Others; Internist; Family Doctor; Radiologist + 1 more
515 E Commonwealth Ave, Fullerton, CA
Others; Internist; Family Doctor; General Surgeon + 1 more
901 W Orangethorpe Ave, Fullerton, CA
Physiatrist; Orthopedic Surgeon; Neurosurgeon; Internist + 4 more
100 E Valencia Mesa Dr Suite 310, Fullerton, CA
Internist; Nurse Practitioner; Pediatrician; Pediatric Surgeon
220 Laguna Rd Suite 2, Fullerton, CA
Sports Medicine; Urgent Care; Orthopedic Surgeon; Podiatrist + 5 more
2141 N Harbor Blvd Ste 35000, Fullerton, CA
Urgent Care; Respirologist; Internist; Pediatrician + 2 more
2501 E Chapman Ave Ste 225, Fullerton, CA
Sports Medicine; Urgent Care; Cardiologist; Neurologist + 13 more
101 E Valencia Mesa Dr, Fullerton, CA
Internist; Family Doctor; Hematologist; Pediatrician + 3 more
2151 N Harbor Blvd Suite 2200, Fullerton, CA
Endocrinologist; General Surgeon; Hematologist; Obstetrician & Gynecologist + 29 more
2141 N Harbor Blvd Suite 25000, Fullerton, CA
Frequently asked
How do I find internist clinics in Fullerton, California?
Use the map or the list on this page to browse internist clinics serving Fullerton, California. Filter by walk-in availability, telehealth, or accepting new patients, then book online.
Do internist clinics in Fullerton, California accept walk-ins?
Some do. Each clinic listing shows whether walk-in visits are available, current open hours, and whether the clinic is accepting new patients.
Can I book internist appointments online in Fullerton, California?
Yes — clinics with a "Book online" badge accept online bookings through Cortico. Click any clinic in the list to see available appointment times.
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Other specialties in Fullerton
Nurse Practitioner clinics18Pediatrician clinics18Others clinics12Family Doctor clinics8Obstetrician & Gynecologist clinics7Ophthalmologist clinics6Urgent Care clinics6Anesthesiologist clinics5General Surgeon clinics5Orthopedic Surgeon clinics5Pediatric Surgeon clinics5Physiatrist clinics5Podiatrist clinics5Psychiatrist clinics5Radiologist clinics5Cardiologist clinics4Dermatologist clinics4Neurologist clinics4Sports Medicine clinics4Oncologist clinics3Urologist clinics3Allergist clinics2Dietitian clinics2ENT clinics2Gastroenterologist clinics2Hematologist clinics2Infectious Disease Specialist clinics2Neurosurgeon clinics2Plastic Surgeon clinics2Respirologist clinics2Rheumatologist clinics2Vascular Surgeon clinics2Walk-in clinics2Audiologist clinics1Counselor clinics1Emergency Medical Services clinics1Endocrinologist clinics1Geriatrics clinics1Medical Genetics clinics1Nephrologist clinics1Pathologist clinics1
Internist clinics in other California cities
Los Angeles282San Diego130San Francisco110Fresno64Bakersfield51Sacramento49San Jose49Long Beach44Torrance43Orange41Oakland39Santa Monica39
See all internist cities in California → © 2026 Cortico Health Technologies. All rights reserved.
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