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Best Radiologists in Ontario

Written by Andrew Le, MD

Updated December 15, 2024

Introduction to Radiology in Ontario, California

Definition and scope of radiology

Radiology is a medical specialty that uses imaging technologies to diagnose and treat diseases. In Ontario, California, radiology plays a significant role in healthcare, providing essential insights for accurate diagnoses and treatment planning.

Radiological procedures encompass a wide range of imaging techniques, including X-rays, CT scans, MRIs, ultrasounds, and nuclear medicine studies. These advanced technologies allow radiologists to visualize internal structures of the body, detect abnormalities, and guide various medical interventions.

Overview of radiology services in Ontario

Ontario, California, boasts a robust network of radiologists and state-of-the-art imaging facilities. The city is home to numerous board-certified radiologists, many of whom are affiliated with reputable hospitals such as San Antonio Regional Hospital and Kaiser Permanente Fontana Medical Center.

Patients in Ontario have access to a comprehensive range of radiological services, including diagnostic imaging, interventional radiology, and nuclear medicine. These services cater to various medical needs, from routine screenings to complex diagnostic procedures, ensuring that residents receive high-quality care close to home.


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List of Radiologists in Ontario

JK

Dr. Jeffrey Karst

5.0

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 920-4710

American Board of Radiology

Loma Linda University School of Medicine (Medical School, 2003)

English

San Antonio Regional Hospital

Diagnostic Radiology

SB

Dr. Stuart Berry

5.0

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 985-2811

American Board of Radiology

Loma Linda University (Medical School)

English

San Antonio Regional Hospital

Diagnostic Radiology

JB

Dr. Joel Block

5.0

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 620-8180

American Board of Radiology

State University of New York at Buffalo (Medical School, 1975)

English

St. Bernardine Medical Center

Diagnostic Radiology

MC

Dr. Martin Cohen

5.0

Ontario, CA

Sex

Male

Languages

English

Phone

(443) 436-1425

American Board of Radiology

University of California at San Diego (Medical School, 1987)

English

Diagnostic Radiology

PY

Dr. Peter Yoo

5.0

Ontario, CA

Sex

Male

Languages

English, Dutch

Phone

(909) 985-2811

American Board of Radiology

University of Texas Health Sciences Center at Houston McGovern Medical School (Medical School, 2002)

English

Dutch

San Antonio Regional Hospital

Diagnostic Radiology

GI

Dr. Gregory Havlena I

2.3

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 427-5000

American Board of Radiology

English

Kaiser Permanente Fontana Medical Center

Diagnostic Radiology

EW

Dr. Elliott Wagner

2.0

Ontario, CA

Sex

Male

Languages

English

Phone

(212) 759-7511

American Board of Radiology

NYU College of Dentistry (Medical School, 2002)

English

Diagnostic Radiology

MK

Dr. Monika Kief-Garcia

1.0

Ontario, CA

Sex

Female

Languages

English

Phone

(951) 486-4000

American Board of Radiology

Baylor University (Medical School, 1987)

English

Riverside University Health System-Medical Center

Diagnostic Radiology

BP

Dr. Bartholomew Palenchar

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 985-2811

American Board of Radiology

University of Pennsylvania Perelman School of Medicine (Medical School, 1967)

English

Diagnostic Radiology

FG

Dr. Fahim Gheybi

N/A

Ontario, CA

Sex

Male

Languages

English, Arabic

Phone

(909) 620-8180

American Board of Radiology

George Washington University School of Medicine & Health Sciences (Medical School, 1974)

English

Arabic

Diagnostic Radiology

TD

Dr. Trien Dang

N/A

Ontario, CA

Sex

Female

Languages

English

Phone

(909) 596-7733

American Board of Radiology

Drexel University (Medical School, 2006)

English

Casa Colina Hospital

Diagnostic Radiology

ES

Dr. Erum Sethi

N/A

Ontario, CA

Sex

Female

Languages

English

Phone

(909) 427-5000

American Board of Radiology

NEW YORK Medical College (Medical School, 2002)

English

Diagnostic Radiology

JK

Dr. Jin Kim

N/A

Ontario, CA

Sex

Male

Languages

English

American Board of Radiology

Boston University (Medical School, 1999)

English

Diagnostic Radiology

TT

Dr. Thuyen Tran

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(949) 837-4500

American Board of Radiology

CALIFORNIA STATE UNIVERSITY / SACRAMENTO / COLLEGE OF HEALTH AND HUMAN SERVICES (Medical School, 2000)

English

Diagnostic Radiology

MS

Dr. Maryam Sanj

N/A

Ontario, CA

Sex

Female

Languages

English

Phone

(626) 962-4011

American Board of Radiology

English

Providence St. Joseph Hospital Eureka

Diagnostic Radiology

CL

Dr. Constantina Lampropoulos

N/A

Ontario, CA

Sex

Female

Languages

English

Phone

(951) 695-0700

American Board of Radiology

COOK COUNTY HOSPITAL / SCHOOL OF XRAY TECHNOLOGY (Medical School, 1990)

English

Diagnostic Radiology

NG

Dr. Navraj Grewal

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 620-8180

American Board of Radiology

University of Alabama at Birmingham (Medical School, 1994)

English

St. Bernardine Medical Center

Community Hospital of San Bernardino

Riverside University Health System-Medical Center

Diagnostic Radiology

LM

Dr. Lisa Mahoney

N/A

Ontario, CA

Sex

Female

Languages

English

Phone

(951) 486-4000

American Board of Radiology

Indiana University School of Medicine (Medical School, 2007)

English

Riverside University Health System-Medical Center

Diagnostic Radiology

CH

Dr. Curtis Handler

N/A

Ontario, CA

Sex

Male

Languages

English, Spanish

Phone

(909) 620-8180

American Board of Radiology

University of Southern California Keck School of Medicine (Medical School, 1977)

English

Spanish

St. Bernardine Medical Center

Community Hospital of San Bernardino

Chino Valley Medical Center

Diagnostic Radiology

AC

Dr. Alfonso Carrillo

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 620-8180

American Board of Radiology

CHEKIANG PROVIDENCE MEDICAL COLLEGE (Medical School, 2001)

English

Loma Linda University Medical Center-Murrieta

Diagnostic Radiology

CO

Dr. Camiar Ohadi

N/A

Ontario, CA

Sex

Male

Languages

English, Arabic

Phone

(909) 625-2000

American Board of Radiology

UNIVERSITY OF SOUTHERN COLORADO (Medical School, 1993)

English

Arabic

Diagnostic Radiology

JM

Dr. Jeanine McNeill

N/A

Ontario, CA

Sex

Female

Languages

English

Phone

(951) 486-4000

American Board of Radiology

Loma Linda University (Medical School, 1983)

English

Riverside University Health System-Medical Center

Diagnostic Radiology

AJ

Dr. Aaron Jun

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(951) 786-0801

American Board of Radiology

UNIVERSITY HOSPITAL / SCHOOL OF MEDICAL TECHNOLOGY (Medical School, 2003)

English

St. Bernardine Medical Center

Community Hospital of San Bernardino

Diagnostic Radiology

JP

Dr. Jason Pang

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(714) 970-0200

American Board of Radiology

Ucla Medical Center (Fellowship Hospital, 2010)

Virginia Commonwealth University Health System (Internship Hospital, 2005)

Virginia Commonwealth University Medical Center (Internship Hospital, 2005)

Virginia Commonwealth University School of Medicine (Medical School, 2004)

English

UCI Health-Placentia Linda

Corona Regional Medical Center

San Dimas Community Hospital

Diagnostic Radiology

Breast Radiology

GC

Dr. Gilbert Cheung

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(888) 515-3500

American Board of Radiology

WASHINGTON UNIVERSITY / COLLEGE OF DENTAL MEDICINE (Medical School, 2003)

English

Diagnostic Radiology

PE

Dr. Philip Eaton

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 985-2811

American Board of Radiology

English

Diagnostic Radiology

KS

Dr. Krishna Surti

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 427-4321

American Board of Radiology

NEW YORK Medical College (Medical School, 2005)

English

Kaiser Permanente Fontana Medical Center

Diagnostic Radiology

CS

Dr. Carl Schultz

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 466-4231

American Board of Radiology

MICHIGAN STATE University (Medical School, 1985)

English

Diagnostic Radiology

JA

Dr. James Akamine

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 985-2811

American Board of Radiology

Loma Linda University (Medical School, 1985)

English

San Antonio Regional Hospital

Diagnostic Radiology

SR

Dr. Sherman Rhee

N/A

Ontario, CA

Sex

Male

Languages

English, Spanish

Phone

(909) 620-8180

American Board of Radiology

Northeast Ohio Medical University (Medical School, 2001)

English

Spanish

St. Bernardine Medical Center

Parkview Community Hospital Medical Center

Diagnostic Radiology

FS

Dr. Fred Shu

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 620-8180

American Board of Radiology

SOUTHWEST COLLEGE OF NATUROPATHIC MEDICINEHEALTH SCIENCES (Medical School, 1999)

English

Parkview Community Hospital Medical Center

Riverside University Health System-Medical Center

Diagnostic Radiology

TK

Dr. Tanya Kisler

N/A

Ontario, CA

Sex

Female

Languages

English

Phone

(909) 982-8638

American Board of Radiology

University of Pittsburgh Medical Center (Medical School, 2002)

English

Diagnostic Radiology

RP

Dr. Reza Pakdaman

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 985-2811

American Board of Radiology

Brigham and Women's Hospital/Harvard Medical School (Fellowship Hospital)

University of Utah (Residency Hospital)

English

San Antonio Regional Hospital

Diagnostic Radiology

Body Imaging

Breast Radiology

PL

Dr. Philip Luu

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 427-5000

American Board of Radiology

UNIVERSITY OF SOUTHERN COLORADO (Medical School, 2000)

English

Kaiser Permanente Fontana Medical Center

Diagnostic Radiology

VN

Dr. Van Khanh Nguyen

N/A

Ontario, CA

Sex

Female

Languages

English

Phone

(951) 353-2000

American Board of Radiology

English

Diagnostic Radiology

TL

Dr. Thomas Lin

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 620-8180

American Board of Radiology

English

Emanate Health Inter-Community Hospital

Diagnostic Radiology

MP

Dr. Monica Patel

N/A

Ontario, CA

Sex

Female

Languages

English

Phone

(909) 625-2000

American Board of Radiology

English

Diagnostic Radiology

JT

Dr. Jerome Tsai

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 427-5000

American Board of Radiology

Northwestern University Feinberg School of Medicine (Medical School, 2004)

English

Diagnostic Radiology

SY

Dr. Saba El Yousef

N/A

Ontario, CA

Sex

Male

Languages

English, Arabic

Phone

(909) 466-4231

American Board of Radiology

American University of Beirut Faculty of Medicine (Medical School, 1976)

English

Arabic

Diagnostic Radiology

DD

Dr. David Dang

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 920-4710

American Board of Radiology

Beverly Radiology-Radnet Management (Fellowship Hospital, 2009)

The Ohio State University Hospitals (Residency Hospital, 2008)

V A Long Beach Healthcare System (Internship Hospital, 2004)

University of California, San Diego School of Medicine (Medical School, 2003)

English

San Antonio Regional Hospital

Diagnostic Radiology

JG

Dr. John Goffigan

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 466-4231

American Board of Radiology

UNIVERSITY OF SOUTHERN COLORADO (Medical School, 1998)

English

San Antonio Regional Hospital

Diagnostic Radiology

SC

Dr. Steven Cobb

N/A

Ontario, CA

Sex

Male

Languages

English, Spanish

Phone

(909) 620-8180

American Board of Radiology

Los Angeles County Harbor - UCLA Medical Center (Fellowship Hospital, 1982)

Los Angeles County Harbor - UCLA Medical Center (Residency Hospital, 1981)

Los Angeles County Harbor - UCLA Medical Center (Internship Hospital, 1978)

Meharry Medical College (Medical School, 1977)

English

Spanish

St. Bernardine Medical Center

Riverside University Health System-Medical Center

Chino Valley Medical Center

Diagnostic Radiology

IJ

Dr. Irwin Jasper

N/A

Ontario, CA

Sex

Male

Languages

English, Spanish

Phone

(909) 982-8638

American Board of Radiology

UNIVERSITY OF CALIFORNIA AT LOS ANGELES / CENTER FOR HEALTH SCIENCES (Medical School, 1968)

English

Spanish

Diagnostic Radiology

AW

Dr. Alice Wang

N/A

Ontario, CA

Sex

Female

Languages

English

Phone

(833) 574-2273

American Board of Radiology

UNIVERSITY OF MICHIGAN / MEDICAL CENTER (Medical School, 2004)

English

Kaiser Permanente Fontana Medical Center

Neuroradiology

Diagnostic Radiology

AO

Dr. Andrew Ong

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 985-2811

American Board of Radiology

English

San Antonio Regional Hospital

Neuroradiology

Diagnostic Radiology

SK

Dr. Sam Kim

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(866) 735-2922

American Board of Radiology

University of Illinois College of Medicine (Medical School, 2001)

English

Kaiser Permanente Fontana Medical Center

Radiology

Diagnostic Radiology

Interventional Radiology

BG

Dr. Bernie Goler

N/A

Ontario, CA

Sex

Male

Languages

English, Spanish

Phone

(909) 464-8600

American Board of Nuclear Medicine

American Board of Radiology

University of Tennessee College of Medicine (Medical School, 1965)

English

Spanish

Radiology

Nuclear Medicine

WS

Dr. Wilbur Sims

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 620-8180

American Board of Radiology

Thomas Jefferson University (Medical School, 1963)

English

Radiology

SK

Dr. Sangku Kang

N/A

Ontario, CA

Sex

Male

Languages

English, Korean

Phone

(833) 574-2273

American Board of Radiology

St Mary Medical Center (Residency Hospital)

Rush Medical College (Medical School, 1995)

English

Korean

Kaiser Permanente Fontana Medical Center

Radiology

Interventional Radiology

YC

Dr. Yoon Chang

N/A

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 985-2811

American Board of Radiology

Catholic Medical Center (Medical School, 1973)

English

Radiology

Choosing a Radiologist in Ontario

Factors to consider when selecting a radiologist

Board certification and credentials

  • Verify American Board of Radiology certification
  • Check educational background and specializations

Experience and expertise

  • Years of practice in radiology
  • Subspecialties within radiology (e.g., diagnostic, interventional)

Hospital affiliations

  • Consider radiologists affiliated with reputable hospitals
  • Examples: San Antonio Regional Hospital, Kaiser Permanente Fontana Medical Center

Patient reviews and ratings

  • Examine online reviews and star ratings
  • Consider the number of reviews available

Language capabilities

  • Choose radiologists who speak your preferred language
  • Some radiologists in Ontario offer services in languages other than English

Resources for finding radiologists in Ontario

Online directories and healthcare provider websites

  • Utilize platforms like Healthgrades
  • Visit hospital websites for affiliated radiologists

Referrals from primary care physicians

  • Consult your regular doctor for recommendations
  • Discuss your specific radiological needs

Health insurance provider networks

  • Check in-network radiologists to minimize out-of-pocket costs
  • Contact your insurance provider for a list of covered radiologists

Top-Rated Radiologists in Ontario

Dr. Jeffrey Karst

Education and Certifications

  • Loma Linda University School of Medicine (2003)
  • American Board of Radiology certified

Practice Details

  • Specializes in Diagnostic Radiology
  • Affiliated with San Antonio Regional Hospital
  • 5.0-star patient rating

Contact Information

  • Phone: (909) 920-4710

Dr. Stuart Berry

Education and Certifications

  • Loma Linda University
  • American Board of Radiology certified

Practice Details

  • Specializes in Diagnostic Radiology
  • Affiliated with San Antonio Regional Hospital
  • 5.0-star patient rating with 2 reviews

Contact Information

  • Phone: (909) 985-2811

Dr. Martin Cohen

Education and Certifications

  • University of California at San Diego (1987)
  • American Board of Radiology certified

Practice Details

  • Specializes in Diagnostic Radiology
  • 5.0-star patient rating

Contact Information

  • Phone: (443) 436-1425

Dr. Joel Block

Education and Certifications

  • State University of New York at Buffalo (1975)
  • American Board of Radiology certified

Practice Details

  • Specializes in Diagnostic Radiology
  • Affiliated with St. Bernardine Medical Center
  • 5.0-star patient rating

Contact Information

  • Phone: (909) 620-8180

Dr. Peter Yoo

Education and Certifications

  • University of Texas Health Sciences Center at Houston McGovern Medical School (2002)
  • American Board of Radiology certified

Practice Details

  • Specializes in Diagnostic Radiology
  • Affiliated with San Antonio Regional Hospital
  • 5.0-star patient rating

Contact Information

  • Phone: (909) 985-2811

Additional Considerations for Radiology Services in Ontario

Technological Advancements in Radiology

State-of-the-art Imaging Equipment

  • Overview of modern radiological tools available in Ontario facilities
  • Benefits of advanced imaging technologies for accurate diagnoses

Digital Imaging and Electronic Health Records

  • Advantages of digital radiography and PACS systems
  • Improved accessibility and sharing of medical images among healthcare providers

Patient Preparation and Expectations

Common Procedures and What to Expect

  • Brief overview of X-rays, CT scans, MRIs, and ultrasounds
  • General guidelines for patient preparation before radiological exams

Safety Precautions and Radiation Exposure Concerns

  • Addressing patient concerns about radiation exposure
  • Safety measures implemented by Ontario radiologists and facilities

Insurance Coverage and Cost Considerations

Verifying Insurance Coverage for Radiological Services

  • Importance of checking with insurance providers before procedures
  • Understanding in-network vs. out-of-network coverage for radiologists in Ontario

Understanding Out-of-Pocket Expenses

  • Potential costs associated with different radiological procedures
  • Options for patients without insurance or with high deductibles