Gabriel J. Martinez-Diaz, MD, FAAD

Gabriel J. Martinez-Diaz, MD, FAAD

Gabriel J. Martinez-Diaz, MD, FAAD, is a Stanford-trained, board-certified dermatologist based in Chicago, Illinois. He provides comprehensive medical, surgical, and cosmetic dermatology care, with a focus on helping patients achieve healthy skin and renewed confidence.

Dr. Martinez-Diaz completed his undergraduate studies at the University of Wisconsin–Madison, earned his medical degree from Stanford University School of Medicine, and completed his dermatology residency at the University of Pittsburgh Medical Center. He is certified by the American Board of Dermatology and is a Fellow of the American Academy of Dermatology (FAAD).

His clinical interests include acne, rosacea, and skin cancer prevention and treatment, as well as aesthetic procedures such as injectables and laser-based therapies. He is especially committed to providing multicultural and multilingual care, serving patients across Illinois and internationally.

Gabriel J. Martinez-Diaz, MD, FAAD, is a Stanford-trained, board-certified dermatologist based in Chicago, Illinois. He provides comprehensive medical, surgical, and cosmetic dermatology care, with a focus on helping patients achieve healthy skin and renewed confidence.

Dr. Martinez-Diaz completed his undergraduate studies at the University of Wisconsin–Madison, earned his medical degree from Stanford University School of Medicine, and completed his dermatology residency at the University of Pittsburgh Medical Center. He is certified by the American Board of Dermatology and is a Fellow of the American Academy of Dermatology (FAAD).

His clinical interests include acne, rosacea, and skin cancer prevention and treatment, as well as aesthetic procedures such as injectables and laser-based therapies. He is especially committed to providing multicultural and multilingual care, serving patients across Illinois and internationally.

Beyond his clinical practice, Dr. Martinez-Diaz leads ventures dedicated to innovation in skincare, efficiency in patient services, and education in dermatology. He also mentors aspiring dermatologists and supports programs that expand access to care.

Fluent in both English and Spanish, Dr. Martinez-Diaz values integrity, empathy, and inclusion in every patient interaction.

  • Accepting New Patients
  • Accepting Insurance

Need help scheduling an appointment? Call Us.

Pinnacle Dermatology - Frankfort: 815-373-1001
Pinnacle Dermatology - Joliet: 815-373-1004

My Practicing Locations

Pinnacle Dermatology - Frankfort

20646 Abbey Woods Court N, Unit 104

Frankfort, IL 60423

Mon8:00 AM - 6:30 PM
Tue7:00 AM - 4:30 PM
Wed7:00 AM - 3:00 PM
Thu7:00 AM - 3:00 PM
Fri7:00 AM - 1:00 PM
SatClosed
SunClosed
Pinnacle Dermatology - Joliet

1124 Essington Road

Joliet, IL 60435

Mon7:00 AM - 5:00 PM
Tue7:00 AM - 4:00 PM
Wed7:30 AM - 6:30 PM
Thu7:30 AM - 6:30 PM
Fri7:00 AM - 1:00 PM
SatClosed
SunClosed

My Background

Memberships

  • American Society for Mohs Surgery
  • American Society for Dermatologic Surgery
  • American Academy of Dermatology
  • Chicago Dermatology Society
  • Skin of Color Society

Education

  • University of Wisconsin-Madison
  • University of California-San Francisco Fellowship
  • Stanford University School of Medicine

Languages Spoken

  • English;Spanish

Gender

  • Male

National Provider Identifier (NPI)

  • 1245556695

Conditions

  • Skin Cancer
  • Acne
  • Actinic Keratosis
  • Age Spots
  • Alopecia and Hair Loss
  • Birthmarks
  • Cysts
  • Dry Skin
  • Eczema
  • Granulomas
  • Hives
  • Hyperhidrosis
  • Lichen Planus
  • Melanoma
  • Melasma
  • Moles
  • Nail Fungus
  • Pregnancy-Related Skin Conditions
  • Psoriasis
  • Rashes
  • Ringworm
  • Rosacea
  • Scabies
  • Seborrheic Keratosis
  • Skin Discoloration
  • Skin Tags
  • Total Body Skin Exams
  • Warts

Treatments

  • BOTOX®
  • Injectable Fillers
  • Laser Treatments

Procedures

  • Surgical Excision
  • Total Body Skin Exams

Schedule an Appointment with Gabriel J. Martinez-Diaz, MD, FAAD Today.

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