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UCLA physicians and providers are a select group of experts who have distinguished themselves as innovative leaders in their chosen disciplines. As part of an academic medical center, our doctors have access to advanced diagnostics, treatments, and research that may not yet be widely available elsewhere.

Need help finding a physician who's right for you? Call our Physician Referral Service at (800) UCLA-MD1 or (310) 825-2631, Monday to Friday, 8 am to 5 pm (PST) to assist you one-on-one.

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ABMS: Psychiatry and Neurology, Clinical NeurophysiologyAdolescent PediatricsAdult PsychiatryAdult PsychologyAnatomic PathologyAnatomic Pathology and Clinical PathologyAnatomic Pathology, DermatopathologyAnesthesiologyAnesthesiology, Critical Care MedicineAnesthesiology, Pain ManagementChild and Adolescent PsychiatryClinical GeneticsClinical NutritionClinical PathologyCytopathologyDentistryDermatologyDermatology, DermatopathologyDermatology, Mohs-Micrographic SurgeryDiagnostic and Interventional RadiologyDiagnostic RadiologyDiagnostic Radiology, Cardiology / Cardiovascular DiseaseDiagnostic Radiology, NeuroradiologyEmergency MedicineEmergency Medicine, Undersea and Hyperbaric MedicineFamily MedicineFamily Medicine, AddictionFamily Medicine, Adolescent MedicineFamily Medicine, Hospice and Palliative MedicineFamily Medicine, Sleep MedicineFamily Medicine, Sports MedicineGeriatric Family MedicineGeriatric PsychiatryGeriatric PsychologyInternal MedicineInternal Medicine, AcupunctureInterventional RadiologyLaboratory MedicineMedicine, AddictionMedicine, Allergy and ImmunologyMedicine, Cardiac CongenitalMedicine, Cardiology / Cardiovascular DiseaseMedicine, Clinical Cardiac ElectrophysiologyMedicine, Critical Care MedicineMedicine, East/West MedicineMedicine, Endocrinology - 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JointsOrthopaedic Surgery, Foot and AnkleOrthopaedic Surgery, Orthopaedic OncologyOrthopaedic Surgery, SpineOrthopaedic Surgery, Sports MedicineOrthopaedic Surgery, Surgery Of The HandOrthopaedic Surgery, TraumaOtolaryngology / Head and NeckOtolaryngology, Plastic Surgery Within The Head and NeckOtolaryngology, Sleep MedicinePathologyPathology, ChemicalPathology, HematologyPathology, Molecular GeneticPathology, NeuropathologyPediatric AnesthesiologyPediatric Diagnostic RadiologyPediatric Emergency MedicinePediatric NeurologyPediatric OphthalmologyPediatric Orthopaedic SurgeryPediatric PathologyPediatric SurgeryPediatricsPediatrics, Allergy and ImmunologyPediatrics, Cardiology / Cardiovascular DiseasePediatrics, Critical Care MedicinePediatrics, DermatologyPediatrics, Developmental BehavioralPediatrics, EndocrinologyPediatrics, GastroenterologyPediatrics, Hematology and OncologyPediatrics, Hospice and Palliative CarePediatrics, HospitalistPediatrics, Infectious DiseasePediatrics, Neonatal-Perinatal MedicinePediatrics, NephrologyPediatrics, Neurodevelopmental DisabilitiesPediatrics, NeurologyPediatrics, Pain MedicinePediatrics, Pulmonary DiseasePediatrics, RheumatologyPediatrics, Sports MedicinePhysical Medicine and RehabilitationPhysical Medicine and Rehabilitation, Spinal Cord Injury MedicinePlastic SurgeryPlastic Surgery, Plastic and Reconstructive SurgeryPlastic Surgery, Surgery Of The HandPodiatry, Foot and Ankle SurgeryPodiatry, Foot SurgeryPodiatry, General PracticePodiatry, Sports MedicinePreventive Medicine, Occupational MedicinePsychiatryPsychiatry, Forensic PsychiatryPsychiatry, Neurodevelopmental DisabilitiesPsychologyPsychology, Adult Development And AgingPsychology, ClinicalPsychology, Clinical Child And AdolescentPsychology, Clinical NeuropsychologyPsychology, CounselingPsychology, NeuropsychologyPsychology, TraumaRadiation OncologyRadiologySurgerySurgery, BariatricSurgery, BreastSurgery, CardiacSurgery, Colon and Rectal SurgerySurgery, Complex General Surgical OncologySurgery, CraniofacialSurgery, Critical Care MedicineSurgery, EndocrineSurgery, Gastrointestinal/PancreasSurgery, HandSurgery, Oral and MaxillofacialSurgery, Surgical Critical CareSurgery, ThoracicSurgery, Thoracic and CardiacSurgery, TransplantSurgery, TraumaSurgery, VascularTransplant, KidneyTransplant, LiverTransplant, LungUrologyUrology, Female Pelvic and Reconstructive SurgeryUrology, Medical OncologyUrology, Pediatric UrologyUrology, Renal Transplantation

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Juan M. Alcantar, MD

Medicine, Hematology and Oncology
Internal Medicine

Accepting New Patients

Primary Care Physician

LGBTQ Champion

Active

Porter Ranch - Cancer Care

19950 Rinaldi Street

Suite 310

Porter Ranch, California 91326