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Jay Hoon Lee, MD

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My specialty:
Pediatrics Developmental

My provider affiliation:
Kaiser Permanente physician

I speak: English

My gender: Male

Where I practice

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About me

Welcome. I'm happy to have this chance to introduce myself to you and tell you about my practice. I am a pediatrician who focuses on helping children with a variety of developmental, learning, and behavioral needs. I feel very fortunate and privileged to work at Kaiser Permanente because of my wonderful colleagues and our members, and I look forward to working with your family to care for your child's health


Although I was born in Korea, I consider myself a native Southern Californian. I earned my undergraduate degree at UC Berkeley and my medical degree at New York Medical College. During medical school, I was fascinated by neurology and psychiatry. However, I decided to pursue pediatrics because I also enjoyed working with children and families. When I discovered that these three fields intersected in developmental and behavioral pediatrics, I knew I had found what I was looking for. I completed fellowship training at Cohen Children's Medical Center of New York.

About my practice

In our Learning and Development Clinic, we see children with a variety of developmental, learning, and behavioral needs. If you have concerns about your child regarding possible language delay, motor delay, socialization issues, learning difficulties, attention, or behavior, we may be able to help you figure out what is going on and what steps you should take moving forward. During our initial consultation, we review prior evaluations and testing, address current developmental or behavioral concerns, formally assess current developmental skills, and make recommendations for follow-up care. I strongly believe that a big part of my job is to provide you with information to help you make informed decisions about your child's care.

How I thrive

I firmly agree with Kaiser Permanente's philosophy of health in mind, body, and spirit. Living out one's life with fullness, purpose, integrity, and activity is important because that's how we were designed to function optimally. I live well by seeking to build strong relationships with friends and family, to spend quality time with my wife, to help my children grow and effectively navigate this world, and to try to exercise regularly. I enjoy the outdoors, the performing arts, eating well, and living life. I'm also a big Lakers fan, but I promise I'll try not to hold it against you if you aren't.

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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
Pediatrics Department
2521 Michelle Dr, Tustin, CA 92780

Contact information

  • Appointments/Cancellations/Information/Messages
  • 1-833-574-2273 (1-833-KP4CARE) (toll free)

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My training, certifications and licensing

Medical school

New York Medical College
Valhalla , NY

Board certification

Developmental-Behavior Pediatrics

American Board of Pediatrics


American Board of Pediatrics

Medical training



Children's Hospital of Orange County
Orange , CA



Children's Hospital of Orange County
Orange , CA


Developmental-Behavior Pediatrics

Cohen Children's Hospital
New Hyde Park , NY

Joined Permanente Medical Group


Active license information

License number


License type


License issuing state


National Provider Identifier (NPI)

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My hospitals

This information is not available at this time.

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 website.

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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