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Mullen, Zackary

Zackary Mullen, PA-C

Mullen, Zackary

Zackary Mullen, PA-C, is a certified physician assistant specializing in Allergy and Immunology.

He brings a strong foundation in patient-centered care, clinical medicine, and immunologic research to his practice at Schweiger Dermatology & Allergy.

Zackary earned his Master of Medical Science in Physician Assistant Studies from Salus at Drexel University. He joins Schweiger Dermatology Group as an allergy provider committed to delivering compassionate, evidence-based care while supporting and educating patients throughout their healthcare journey.

About Zackary Mullen, PA-C

Zackary Mullen, PA-C, is a certified physician assistant specializing in Allergy and Immunology.

He brings a strong foundation in patient-centered care, clinical medicine, and immunologic research to his practice at Schweiger Dermatology & Allergy.

Zackary earned his Master of Medical Science in Physician Assistant Studies from Salus at Drexel University. He joins Schweiger Dermatology Group as an allergy provider committed to delivering compassionate, evidence-based care while supporting and educating patients throughout their healthcare journey.

Prior to clinical practice, Zackary gained immunology-focused research experience as a Research Assistant at the UPMC Laboratory. His work contributed to the understanding of immunologic mechanisms involved in metabolic disorders, and he was a co-author of the publication “Tregs Facilitate Obesity and Insulin Resistance via a Blimp-1/IL-10 Axis.”

In clinical practice, Zackary focuses on providing comprehensive allergy and immunology care with an emphasis on patient education, communication, and long-term wellness. He is passionate about building meaningful relationships with his patients and helping them navigate allergic and immunologic conditions with confidence.

Zackary is a member of the American Academy of Physician Associates. Outside of medicine, he enjoys spending time with his family and gardening.

Education & Training

  • Master of Medical Science in Physician Assistant Studies, Salus at Drexel University

Treatments & Procedures

  • Allergy and immunology
  • Patient-centered allergy care
  • Immunologic research
  • Evidence-based treatment and patient education

Professional Memberships & Associations

  • Member, American Academy of Physician Associates (AAPA)

Certifications

  • Certified Physician Assistant (PA-C), National Commission on Certification of Physician Assistants

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About Schweiger

We believe no one should wait to feel comfortable in their own skin. That's why we're committed to delivering The Ultimate Patient Experience—expert care that's fast, compassionate, and seamless. Founded by Dr. Eric Schweiger in 2010 to eliminate long wait times for high quality dermatologists, we've grown into one of the nation's leading dermatology practice, with hundreds of locations across the country and millions of satisfied patients. We offer medical, cosmetic, and surgical dermatology, as well as allergy services through Schweiger Allergy. Built around the needs of patients, Schweiger is committed to delivering high-quality, personalized care while removing barriers to access. With a focus on convenience, timely appointments, and clinical excellence, the practice makes expert skin and allergy care easier to get—often within days, with same- and next-day appointments available.