
Hoag Health Center - Newport Beach
520 Superior Ave, Suite 150
Newport Beach, CA 92663
(949) 764-8065
Take our online health risk assessment to discover if you are at risk of developing type 2 diabetes. After taking this assessment you’ll get more information on what your next steps should be.
Register for cooking demonstrations and community education classes to learn and be empowered to thrive with diabetes. Cooking classes include healthy recipes designed by nutritionists to help you manage your diabetes.
Hoag hosts support groups for people with Type 1 Diabetes, Type 2 Diabetes and diabetes during pregnancy.

The Mary & Dick Allen Diabetes Center provides a full range of services for both adults and children with diabetes. Our team includes endocrinologists, certified diabetes care & education specialists (CDCES), registered dietitians (RD), registered nurses (RN), a nurse research coordinator and a national board certified health & wellness coach. Clinical, educational and support services offered here at Hoag are designed to meet the needs of patients with diabetes and their families. Specialty programs include:
Medical nutrition therapy
ADA-accredited diabetes self-management education
The Mary & Lee Iacocca Program in Type 1 Diabetes
Herbert Program for Young Adults with Type 1 Diabetes
Type 2 Diabetes Support
Ueberroth Family Program for Women with Diabetes
Sweet Success Program for Pregnant Women






520 Superior Ave, Suite 150
Newport Beach, CA 92663
(949) 764-8065

4870 Barranca Parkway, Suite 110
Irvine, CA, 92604
(949) 764-8065
“Dr. Ahn is amazing. He puts a lot of emphasis on the social aspect of diabetes. He takes a more holistic approach to his care. To him, it is not just about treating the disease part of diabetes, but also the psychosocial dynamics of the disease.”

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Contact usIn simple terms, diabetes refers to a condition that develops when the body is unable to process the glucose (sugar) from food effectively subsequently resulting in above normal (high) levels of sugar in the blood. If left unmanaged, persistent high blood sugar levels can have serious health consequences leading to heart disease, significant nerve damage, poor blood circulation in the feet, vision (eye) -related complications, and kidney disease.
In people without diabetes, a hormone called insulin (secreted by an organ called pancreas) works efficiently to transport the glucose from the food to body cells to be used as energy for the body. In people with diabetes however, this mechanism gets disrupted and the body is unable to use the glucose effectively as a result of a complete lack of or less than adequate levels of insulin. This causes glucose (sugar) to build up in the blood stream leading to high blood glucose.
Increased thirst and urination
Increased hunger
Fatigue
Blurred vision
Numbness or tingling in the feet or hands
Sores that do not heal
Unexplained weight loss
These symptoms can start quickly, in a matter of weeks or develop slowly—over the course of several years. Often these symptoms can be so mild that they go unnoticed by patients.
In type 1 diabetes the body attacks and destroys insulin-producing cells; as a result, no insulin is produced. We still do not fully understand why this happens although based on current research and scientific evidence we know that it is not related to our diet or lifestyle. About 5-10% of all people with diabetes have type 1 diabetes. Until there’s a cure, this type of diabetes requires lifelong insulin therapy and glucose monitoring.
Type 2 diabetes is the most common form of diabetes. In people with type 2 diabetes, either the body does not produce adequate levels of insulin, or it is unable to use the insulin being produced effectively (also known as insulin resistance). As a result, the glucose starts building up in the blood stream leading to high blood glucose. We now know that a variety of genetic and environmental (lifestyle) factors together increase our risk for type 2 diabetes. This form of diabetes was typically seen in people above the age of 40, however, in the last decade or so an increasing number of children are developing type 2 diabetes.
Gestational diabetes is a form of diabetes that can develop during pregnancy. It is a result of the body not being able to produce enough insulin to cope with the additional bodily changes and demands that normally occur during pregnancy. Women are usually diagnosed in the late second-early third trimester of their pregnancy. However, a few women may get diagnosed early on in their pregnancy and it could be that they had underlying diabetes or insulin resistance before they became pregnant – but weren’t aware of it.
All women with gestational diabetes have an increased risk of developing type 2 diabetes later in life and are encouraged to get tested for diabetes or prediabetes every 3 to 5 years.
Before people develop type 2 diabetes, they may have a condition called “prediabetes”, which means their blood glucose levels are higher than normal but not high enough yet to be diagnosed as diabetes. Long-term damage to the body, especially the heart and circulatory system, may be occurring during prediabetes. People with prediabetes you should be checked for type 2 diabetes every one to two years.
When you have diabetes, the goal is to maintain blood glucose at a healthy level to prevent future complications and keep your diabetes in control. A diabetes care team can work with you to create a diabetes treatment plan that includes:
Medical nutrition therapy (MNT)- whether you have type 1, type 2, or gestational diabetes, it is not only important to be aware of what you eat but, also how much and when you eat.
Physical activity – daily exercise is one of the most important parts of maintaining your blood glucose levels. It is recommended to partake in 30 minutes of moderate exercise every day to avoid the risk of future complications.
Medication – for type 2 diabetes, you may need to take pills, injectable medication, and/or insulin. To control type 1 diabetes, insulin must be taken through injections or an insulin pump.
Monitoring – it is necessary to frequently monitor yourself to see how your diabetes treatment plan is working to meet your target blood glucose goals
For more information, please visit the American Diabetes Association.
The Mary & Dick Allen Diabetes Center is dedicated to making a positive difference in the lives of people with diabetes through its clinical, education and support services. Innovative and customized programs at the Allen Diabetes Center include the Sweet Success Program tailored for women who have diabetes while pregnant; pediatric diabetes services, and the Herbert Program for Young Adults with Type I Diabetes.
We strongly encourage everyone with diabetes to seek the guidance of a diabetes education and medical team to avoid becoming a worrisome statistic.
In 2018, 34.2 million children and adults – or 10.5% of the US population – have diabetes.
Another 88 million Americans have prediabetes and are at risk for developing type 2 diabetes.
Recent estimates project that as many as one in three American adults will have diabetes in 2050 unless we take steps to Stop Diabetes.
People with diabetes are nearly twice as likely to be hospitalized for a heart attack or stroke.
Diabetes causes 50% of all cases of kidney failure.
More than half a million American adults have advanced diabetic retinopathy, greatly increasing their risk for severe vision loss.
More than half of all amputations in adults occur in people with diabetes.
About 60-70 percent of people with diabetes have mild to severe forms of nerve damage that could result in pain in the feet or hands, slowed digestion, sexual dysfunction and other nerve problems.
The American Diabetes Association estimates that the total national cost of diagnosed diabetes in the United States is $327 billion.
Direct medical costs reach $237 billion and the average medical expenditure among people with diabetes is 2.3 times higher than those without the disease.
Indirect costs amount to $90 billion (disability, work loss, premature mortality).
One in 7 health care dollars is spent treating diabetes and its complications.
One in 4 health care dollars is spent caring for people with diabetes.
Our services offer indivulized and culturally sensitive education for those with or at-risk for diabetes.
Telehealth is a ‘video visit’ which allows you to meet with your provider through secure video conferencing technology from the comfort of your home or a preferred location. Even though he/she will not be there physically, your provider will be able to see you and you will be able to see and hear your provider similar to an in-office visit.
The Mary & Dick Allen Diabetes Center provides team-based, personalized programs—combining education, nutrition, exercise, coaching, and weight-loss support—to help people with prediabetes prevent diabetes and build sustainable, healthy lifestyles.
The Mary & Lee Iacocca Program in Type 1 Diabetes at Hoag’s Mary & Dick Allen Diabetes Center delivers comprehensive, expert-led care and one of Southern California’s largest diabetes education programs, supporting people with T1D through round-the-clock management with a multidisciplinary team that includes clinicians and educators with lived experience.
The Mary & Dick Allen Diabetes Center at Hoag helps children and adults take control of diabetes and prediabetes through one of Southern California’s largest education programs, offering multidisciplinary, expert-led support in nutrition, exercise, monitoring, medication, and self-management.
The Ueberroth Family Sweet Success Program at Hoag provides comprehensive, coordinated diabetes care before, during, and after pregnancy—supporting women with T1D, T2D, or gestational diabetes through personalized education, nutrition, monitoring, and postpartum follow-up to promote healthy mothers and babies.
The Mary & Dick Allen Diabetes Center’s ADA-certified Diabetes Self-Management Education and Support (DSMES) program provides comprehensive, insurance-covered education, nutrition therapy, and technology support to help people at any stage of diabetes confidently manage medications, monitoring, lifestyle, and long-term health.
Hoag offers free diabetes support groups that provide community, encouragement, and expert-led psychological and emotional support for individuals with T1D, T2D, pregnancy-related diabetes, and young adults.
History & Mission
The Mary & Dick Allen Diabetes Center at Hoag, founded in 2009 after the Allens’ granddaughter was diagnosed with type 1 diabetes, is dedicated to empowering and supporting people with diabetes or at risk through patient-centered care, education, prevention, and community advocacy, with a strong focus on overcoming barriers and providing psychosocial support.
Community Outreach
Discover how the Allen Diabetes Center goes beyond clinical care—offering free cooking demos, prevention programs, senior education, and peer support groups that bring practical tools and community connection to life with diabetes.
Intern Opportunities
Step into a hands-on learning experience at the Allen Diabetes Center—where interns and dietetic preceptors contribute to real research, develop culturally sensitive programs, shadow experts, and make a direct impact in the lives of people living with diabetes.
Patient Stories
Living with diabetes can be challenging, but it also inspires stories of resilience, hope, and transformation. Our patients and families generously share their experiences to help others feel less alone, offer encouragement, and show what’s possible with the right care and support. From learning how to manage diabetes day-to-day, to celebrating milestones in health and wellness, these stories highlight the strength of our community and the compassionate care that makes Hoag a trusted partner in every stage of the journey.
Programs
The Mary & Dick Allen Diabetes Center offers one of Orange County’s most comprehensive outpatient programs for adults, children, and families living with diabetes—providing specialized medical care, education, and support services tailored to every stage of life.
Events
Discover all of Hoag’s classes and events in one place—your guide to learning, connecting, and taking active steps toward better health.
Diabetes Cooking
Discover healthy, diabetes-friendly cooking with Hoag chefs and dietitians. Learn simple swaps, enjoy live demos, and build confidence in your nutrition journey.
Referral Info
Get expert guidance, education, and nutrition support to manage diabetes with confidence. Call or complete the form to access Hoag’s programs.
Support Groups
Find community, encouragement, and expert support through Hoag’s free diabetes groups for T1D, T2D, and young adults
SHAPE Program
Build long-term wellness with Hoag’s SHAPE program—an insurance-covered, physician-led course delivering personalized tools, nutrition guidance, and sustainable weight-loss support.

Dr. Kris V. Iyer Endowed Chair in Diabetes Care Chief of Diabetes Services at Hoag, Endocrinologist

Consultant

Director, Diabetes Center

Front Office Supervisor

Dr. Kris V. Iyer Endowed Chair in Diabetes Care Chief of Diabetes Services at Hoag, Endocrinologist

Endocrinologist

Endocrinologist/Obesity Medicine

Physician Assistant Endocrinology

Physician Assistant Endocrinology

Registered Dietitian Certified Diabetes Care & Education Specialist

Certified Diabetes Care and Education Specialist

Certified Diabetes Care and Education Specialist Registered Dietitian

Certified Diabetes Care and Education Specialist Registered Dietitian

Registered Nurse Certified Diabetes Care and Education Specialist Inpatient Diabetes Educator

Certified Diabetes Care and Education Specialist Registered Dietitian Training in Adult Weight Management

Registered Nurse Registered Dietitian Certified Diabetes Care & Education Specialist Research Coordinator

Diabetes Pharmacist Certified Diabetes Care and Education Specialist

Diabetes Pharmacist Certified Diabetes Care and Education Specialist

Research Coordinator

Health & Wellness Program Coordinator Certified Diabetes Care and Education Specialist

Medical Assistant

Medical Assistant

Medical Assistant
The Mary & Dick Allen Diabetes Center is located at Hoag Health Center - Newport Beach and Hoag Health Center - Irvine (Woodbridge). These facilities have classrooms with state of the art education technology and private consultation rooms for individual patient appointments.
Phone: 949-764-8065 Email: DiabetesCare@hoag.org
The Allen Diabetes Center offers a variety of programs and services to help manage your diabetes, such as:
Diabetes Education and Medical Nutrition Therapy (MNT)
Advanced Diabetes Education
Weight Management / Diabetes Prevention
Gestational Diabetes (Sweet Success)
Registered Dietitian Consultation
Endocrinology Consultation
Please have your physician complete the referral form to be eligible to participate in the above services.

520 Superior Ave, Suite 150
Newport Beach, CA 92663
(949) 764-8065

4870 Barranca Parkway, Suite 110
Irvine, CA, 92604
(949) 764-8065
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