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Duc Quang Nguyen, MD

Photo of Duc Quang Nguyen, MD

My specialty:
Internal Medicine

My provider affiliation:
Kaiser Permanente provider

I speak: English, French, Vietnamese

My gender: Male


Find out about

Where I practice

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  • Emergency service
  • Urgent care services
  • After-hours services
  • Pharmacy services
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About me

Welcome to my Web page! Choosing a personal physician is a very important decision, and I know it can also be challenging. I’m glad to have this opportunity to tell you a little about myself and, hopefully, make that decision easier.


I’m originally from a distant corner of the globe—Vietnam. I completed high school in a French school, and then completed my medical training at Saigon University in 1975—the year South Vietnam fell to the communist North. Because of the suppressive political regime, my wife and I escaped by boat in 1979. We spent the next six months in a refugee camp on an island in the South China Sea. We relocated in Brussels Belgium for one year, where I worked as a night nurse to earn my living. Finally, I was approved to come to the United States. Once in the United States, I was able to reconnect with a visiting professor from the Mayo Clinic, who had taught in Vietnam during the summers of 1972 and 1973. At the end of a three-month visiting clerkship, I was accepted to the internal medicine residency program at the Mayo Clinic in Rochester, Minnesota. I graduated in 1984. Afterwards, I joined Kaiser Permanente in Fontana and have been here ever since.

About my practice

I’m an internist, which means I care for adult members older than age 18. I do inpatient and outpatient care, but I enjoy the outpatient clinic most because of the long-term relationships I have with my members and their families. I’ve been seeing some of them for more than 30 years! I’m quite straightforward when dealing with medical issues—you can expect "plain English" when discussing your problems with me. My guiding principle in my daily practice is to take your interests as the focus of my actions.

How I thrive

Kaiser Permanente offers me a flexible call schedule. I’m quite grateful for that, because it allows me to take the time I need to unwind, deal with stress, and stay healthy. I enjoy my family, travel, reading, classical music, and wine. My passion, however, is tennis—it’s my escape from all the stress of life and work. It also offers me a pleasant mode of exercise. I strongly believe in the concept of "a healthy mind in a healthy body," and I try to communicate that clearly to all my members. For the past three years, I’ve had the gratifying opportunity to volunteer in a community clinic for the poor, which I plan to keep doing into my retirement.

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My office

Languages spoken by medical staff

Help is available in your language. Learn more.

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My provider type

Physicians and Surgeons

Medical groups and plans

Southern California Permanente Medical Group

List Header Plans Accepted
  • Exclusive Provider Organization (EPO)
  • HMO
  • Medi-Cal Managed Care
  • Point-of-Service Plan (POS)
  • Senior Advantage/Medicare Cost
Internal Medicine Department
9961 Sierra Ave, Fontana, CA 92335

Contact information

  • Appointments/information
  • 1-833-574-2273 (1-833-KP4CARE) (toll free)
  • Information
  • 1-866-735-2922 (toll-free TTY for the hearing/speech impaired)

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My training, certifications and licensing

Medical school

University of Saigon Faculty of Medicine & Pharmacy
Saigon , Vietnam

Board certification

Internal Medicine

American Board of Internal Medicine

Medical training


Internal Medicine

Mayo Graduate School of Medicine
Rochester , MN


Internal Medicine

Mayo Graduate School of Medicine
Rochester , MN

Joined Permanente Medical Group


Active license information

License number


License type


License issuing state


National Provider Identifier (NPI)

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My hospitals

All Kaiser Permanente physicians and podiatrists have admitting privileges or the ability to refer patients to our plan hospitals. Admitting privileges of other providers may vary by plan and facility. Contact your plan administrator for details.

9961 Sierra Ave, Fontana, CA 92335

I have admitting privileges at this hospital.

Setting the standard: Measuring care quality in our hospitals(PDF)

2295 S Vineyard Ave, Ontario, CA 91761

I have admitting privileges at this hospital.

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To find:

  • a provider's office hours, search our facility directory
  • providers in your plan or accepting new patients, call 1-800-464-4000 (toll free) or 711 (TTY for the hearing/speech impaired)

The information in this online directory is updated periodically. The availability of physicians, hospitals, providers, and services may change. Information about a practitioner is provided to us by the practitioner or is obtained as part of the credentialing process. If you have questions, please call us at 1-800-464-4000 (toll free). For the hearing and speech impaired: 1-800-464-4000 (toll free) or TTY 711 (toll free). You can also call the Medical Board of California at 916-263-2382, or visit their websiteExternal Link.

We want to speak to you in the language that you’re most comfortable with when you call or visit us. Qualified interpreter services, including sign language, are available at no cost, 24 hours a day, 7 days a week during all hours of operations at all points of contact. We do not encourage the use of family, friends or minors as interpreters. Only the services of interpreters and qualified staff are used to provide language assistance. These may include bilingual providers, staff, and healthcare interpreters. In-person, telephone, video, and alternative modes of communication are available. Learn more about interpreter services

If you would like to report an error in provider or facility information, please contact us.

Kaiser Permanente enrollees have full and equal access to covered services, including enrollees with disabilities as required under the Federal Americans with Disabilities Act of 1990 and Section 504 of the Rehabilitation Act of 1973.

Kaiser Permanente uses the same quality, member experience, or cost-related measures to select practitioners and facilities in Marketplace Silver-tier plans as it does for all other Kaiser Foundation Health Plan (KFHP) products and lines of business.The measures may include, but are not limited to, HEDIS/CAHPS performance, member/patient complaints, patient safety scores, hospital quality measures, and geographic need. Members enrolled in KFHP Marketplace plans have access to all professional, institutional and ancillary health care providers who participate in KFHP plans’ contracted provider network, in accordance with the terms of members’ KFHP plan of coverage. All Kaiser Permanente Medical Group physicians and network physicians are subject to the same quality review processes and certifications.
Kaiser Permanente uses the same geographic distribution consideration to select hospitals in Marketplace plans as it does for all other Kaiser Foundation Health Plan (KFHP) products and lines of business. Accessibility of medical offices and medical centers in this directory: All Kaiser Permanente facilities are accessible to members.


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