Our Services


Our MHMG group provides comprehensive dermatalogical care. As we continue to expand this vital group, patients have accessibility to highly effective care and treatment for conditions such as focal psoriasis, vitiligo, atopic dermatitis, and skin cancers.

MHMG now offers the latest in treatment of focal psoriasis, vitiligo, atopic dermatitis, and leukoderma EXCIMER-LASER.

The EXCIMER-LASER is a unique medical laser that broadens our treatment profile for clinical Dermatology. It delivers targeted 308-nm UVB in a collimated, monochromatic beam to safely and effectively treat diseased skin. The treatment is painless and rapidly clears plaques and lesions while sparing healthy tissue. It is ideal for inverse, scalp, and palmoplantar psoriasis as well as for cosmetically bothersome vitiligo.

The Dermatology Department of Mission Heritage Medical Group consists of a Board Certified Dermotologist. We continue to expand this vital group, as seen with the recent addition of a new Mohs (a microscopically controlled surgery that is highly effective for common types of skin cancer) surgery expert, as well as the addition of office support staff team members. We all look forward to providing comprehensive Dermatological care for South Orange County patients.

What is Dermatology?

Dermatology is the branch of medicine dealing with the skin and its diseases, a unique specialty with both medical and surgical aspects. Our MHMG dermatologists treat diseases of the skin, scalp, hair, and nails.


  • Cosmetic dermatology
  • Dermatologists have been leaders in the field of cosmetic surgery. Some dermatologist complete fellowships in surgical dermatology. Many are trained in their residency on the use of Botox, fillers, and laser surgery.
  • Dermatopathology is a pathologist who specializes in the pathology of the skin. This field is shared by dermatologists and pathologists.
  • Immunodermatology is a specialist who specializes in the treatment of immune mediated skin diseases such as lupus, bullous pemphigoid, pemphigus vulgaris, and other immune mediated skin disorders. Specialists in this field often run their own immunopathology labs.
  • Pediatric Dermatology:
  • Physicians can qualify for this specialization by completing both a pediatric residency and a dermatology residency.
  • Dermatology Treatments
  • Therapies provided by dermatologists include, but not restricted to:*Medical information found on MHMG.com or related links is provided for general patient information only, and may not be relied upon as a substitute for professional medical care.
    • Cosmetic filler injections
    • Hair removal with laser or other modalities
    • Hair transplantation - a cosmetic procedure practiced by many dermatologists.
    • Intra-lesional treatment - with steroid or chemotherapy.
    • Laser therapy - management of birth marks, skin disorders (like vitiligo), tattoo removal, and cosmetic resurfacing and rejuvenation.
    • Photodynamic therapy - for the treatment of skin cancer and precancerous growths.
    • Tattoo removal with laser
    • Tumescent liposuction widely practiced by dermatologists, plastic surgeons and gynecologists.
    • Cryosurgery - treatment of warts, skin cancers, and other dermatosis.

View Our Locations


  • 26800 Crown Valley Pkwy.
    Suite 250
    Mission Viejo, CA 92691
  • (949) 542-8007

Meet Our Doctors

Hong T. Nguyen MD (949) 542-8007
Dermatology (Board Certified)

Mon - Fri: 8 a.m. - 5 p.m.

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Office :
26800 Crown Valley Pkwy.
Suite 435
Mission Viejo, CA 92691
Yue Emily Yu MD (949) 542-8007

Mon - Fri 8 a.m. - 3 p.m.

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Office :
26800 Crown Valley Pkwy.
Suite 435
Mission Viejo, CA 92691