Practice address
9961 Sierra Ave
Fontana, CA 92335
This is the address of Kaiser Foundation Hospital Fontana/ontario, Southern California Permanente Medical Group.
San Bernardino County includes primary care (5% of residents) and mental health (26% of residents) shortage areas. About shortage areas
At a glance
- Clinicians registered here
- 1,126
- Physicians (MD and DO)
- 669
- Specialties
- 80
- Industry payments to them, 2025
- $100,859
Specialties here
- Everyone 1,126
- Family Medicine 142
- Internal Medicine 91
- Pharmacists 90
- Student in an Organized Health Care Education/Training Program 68
- Nurse Anesthetists (CRNA) 64
- Physician Assistants 61
- Emergency Medicine 52
- Nurse Practitioners 44
- OB-GYN (Obstetrics & Gynecology) 44
- Pediatrics 36
- Anesthesiology 28
- Clinical Social Workers 26
- Optometrists 22
- Radiology 18
- Psychiatry 16
- Physical Therapists 16
- Ophthalmology 15
- General Surgery 14
- Registered Dietitians 13
- Urology 11
- Gastroenterology 11
- Neonatology 11
- Osteopathic Manipulative Medicine 11
- Physical Medicine & Rehabilitation (PM&R) 10
- Certified Nurse-Midwives 10
- Geriatric Medicine 10
- Occupational Therapists 9
- Facial Plastic Surgery 9
- Nephrology (Kidney) 9
- Dermatology 9
- Interventional Radiology 8
- Cardiology 8
- Podiatrists 7
- Marriage & Family Therapists 7
- Speech-Language Pathologists 7
- Neurology 6
- Audiologists 6
- Hematology & Oncology 6
- Rheumatology 5
- Addiction Medicine 5
- Hospitalist 5
- Vascular Surgery 5
- Pathology 4
- Pulmonology 4
- Critical Care Medicine 4
- Hand Surgery 4
- Nuclear Medicine 3
- Interventional Cardiology 3
- Neurosurgery 3
- Pediatric Gastroenterology 3
- Child & Adolescent Psychiatry 3
- Endocrinology & Diabetes 3
- Occupational Medicine 3
- Infectious Disease 3
- Genetic Counselors 3
- Cardiothoracic Surgery 3
- ENT (Otolaryngology) 3
- Allergy & Immunology 3
- Pediatric Hematology & Oncology 2
- Sleep Medicine 2
- Dermatopathology 2
- Plastic Surgery 2
- Psychiatric Nurse Practitioners 2
- Pain Medicine 2
- Gynecologic Oncology 2
- Preventive Medicine & Public Health 1
- Developmental-Behavioral Pediatrics 1
- Surgical Oncology 1
- Mohs Surgery 1
- Pediatric Anesthesiology 1
- Pediatric Surgery 1
- Addiction Counselors 1
- Pediatric Critical Care 1
- Fertility (Reproductive Endocrinology) 1
- Psychologists 1
- Joint Replacement Surgery 1
- Colorectal Surgery 1
- Hospice & Palliative Medicine 1
- Sports Medicine 1
- Pediatric Infectious Disease 1
Who practices here
1,126 clinicians
- Aaron Brown, OTR/L Occupational Therapists
- Aaron Iverson, CRNA Nurse Anesthetists (CRNA)
- Aaron L. Rubin, MD Family Medicine
- Abbid Shah, M.D. Internal Medicine
- Abdullah J. Saidy, M.D. Family Medicine
- Abigail Berry Student in an Organized Health Care Education/Training Program
- Abraham W. Navarro, PHARMD Pharmacists
- Abran Esquibel JR., LCSW Clinical Social Workers
- Adam Bauer, M.D. Radiology
- Adam S. Myers, D.P.M. Podiatrists
- Adrianne C. Beck, MD Physical Medicine & Rehabilitation (PM&R)
- Adrine Kaloshian, RD Registered Dietitians
- Agnes G. Horvath, MD Pediatric Hematology & Oncology
- Aida C. Romulo, NP Nurse Practitioners
- Aileen Moradian, RN, MSN-ED, IBCLC Lactation Consultant
- Akemi C. Chang, MD Radiology
- Alan Wong, D.O. Emergency Medicine
- Albert A. Mikhail, MD Urology
- Albert C. Chen, MD Pathology
- Alberto E. Yanez, MD Family Medicine
- Alex T. Quan, MD Internal Medicine
- Alex Z. Mcdonald, M.D. Student in an Organized Health Care Education/Training Program · Family Medicine
- Alexander K. Han, MD Gastroenterology
- Alexander S. Ho, M.D. Radiology · Mob3, Basement
- Alexis M. Florea, MD Pediatrics
- Alexis Wildenauer, D.O. Emergency Medicine
- Alice A. Bingo, OD Optometrists
- Alice Wong, OTR/L Occupational Therapists
- Alicia C. Gray, MS Marriage & Family Therapists
- Aline J. De Vera, PHARM.D. Pharmacists
- Alireza B. Esfahane, MD Preventive Medicine & Public Health
- Alison Nguyen, MD Pediatrics
- Alison Taur, MD Nuclear Medicine
- Allen L. Hwang, MD Facial Plastic Surgery
- Allison L. Klein, M.D. Family Medicine
- Allyson A. Wang, M.D. OB-GYN (Obstetrics & Gynecology)
- Almira T. Karpenko, MD Family Medicine
- Alphos N. Toyotome, PHARM D. Pharmacists
- Alson Y. Wong, MD Pediatrics
- Alyssa Miller Nurse Anesthetists (CRNA)
- Amal Ballat, MD Internal Medicine
- Amanda Harris, NP Nurse Practitioners
- Amante T. Pulido, MD OB-GYN (Obstetrics & Gynecology)
- Amelia M. Taylor, MD Family Medicine
- Amgad H. Hanna, M.D. Anesthesiology
- Ami J. Patel, PA Physician Assistants
- Amila O. Silva, MD Ophthalmology
- Amy Foster, PHARM D Pharmacists
- Amy Haager, PA Physician Assistants
- Amy L. Marks, CRNA Nurse Anesthetists (CRNA)
Hospitals and medical groups at this address
- Kaiser Foundation Hospital Fontana/ontario hospital 570
- Southern California Permanente Medical Group 1,440 of its clinicians here 11,293
From Medicare Care Compare. Numbers on the right are each organization’s clinicians in total.
Industry payments
Drug and device makers reported $100,859 in general payments to 139 clinicians at this address in 2025.
- Joe B. Whittington, MD $35,000
- Daniel D. Klaristenfeld, MD $13,500
- Alex Z. Mcdonald, M.D. $11,939
- Majid Tayyarah, MD $3,670
- Khosro M. Iromloo, M.D. $2,482
- Steven Y. Ko, MD $2,151
- Nathan H. Lee, MD $1,954
- Luan Pham, DPM $1,847
CMS Open Payments (meals, speaking, consulting and similar; not research). A payment is not evidence of wrongdoing.
Industry-funded research
2 clinicians here are named as investigators on industry-funded studies ($349,140 in research payments reported in 2025).
Research payments usually go to the hospital or research site, not to the investigator personally.
Organizations registered here
- Kaiser Foundation Health Plan Inc Community/Retail Pharmacy
- Kaiser Foundation Health Plan Inc Community/Retail Pharmacy
- Kaiser Foundation Hospitals Community/Retail Pharmacy
- Kaiser Foundation Health Plan Inc Compounding Pharmacy
- Kaiser Foundation Hospitals End-Stage Renal Disease Treatment Clinic/Center
- Kaiser Foundation Hospitals General Acute Care Hospital
- Kaiser Permanente General Acute Care Hospital
- Southern California Permanente Medical Group Health Maintenance Organization
- Kaiser Foundation Hospitals Institutional Pharmacy
- Kaiser Permanente Primary Care Clinic/Center
- Kaiser Foundation Hospitals Rehabilitation Hospital Unit
- Kaiser Fontana Special Hospital
Sources: CMS NPPES NPI Registry (who is registered at this address, as each clinician reported it), Medicare Care Compare (hospitals and groups), CMS Open Payments 2025. Addresses can be out of date; call before visiting.