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Areas of Expertise

  • Adult Asthma
  • Adult Food Allergy / Anaphylaxis
  • Adult Immunodeficiency (Not HIV)
  • Adult Urticaria / Angioedema
  • Allergy / Immunology
  • Allergy and Immunology
  • Mastocytosis

Location

Languages

  • English
  • Portuguese
  • Spanish

Education

  • Doctor of Medicine - Ohio State University, 1997
  • Internship - Scripps Mercy Hospital, 1998
  • Residency - Scripps Mercy Hospital, 2000
  • Fellowship - Scripps Clinic and Research Foundation, 2002

Board Certifications

  • Allergy and Immunology - American Board of Allergy and Immunology, 2003

Patient Comments

Patient Comments are gathered from the Press Ganey Patient Experience Survey and displayed in full. Patients are not identified in order to respect patient privacy.
Dr Fahrenholz is an exceptional physician in every way. He addressed all my issues and concerns. Highly recommend.
August 13, 2025
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This was a follow up and everything was great.
August 7, 2025
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I always know my doctor has my best interest at heart.
July 9, 2025
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Exceptional understanding and superior communication skills.
July 7, 2025
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Doc F is the best doc. He listens and brainstorms with me.
July 7, 2025
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He's fabulous
July 3, 2025
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The dr. Paid total Concern for me and my case could not be more on target. He didn't rush our visit nor act like he had to be somewhere else he paid total attention to me.
June 9, 2025
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I love that I can be open and frank with Dr Farenholtz and get his honest opinion as well.
May 8, 2025
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Dr. Fahrenholz listened to my concerns and gave good advice. He is always kind and never in a hurry to get in and out.
February 10, 2025
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