West Lafayette Providers

John K. Randall, R.Ph., M.D.

Owner and Supervising Physician

John K. Randall, R.Ph., M.D. is a board certified dermatologist and cosmetic surgeon. He started his medical career by receiving a Bachelor of Science degree in Pharmacy from Creighton University, graduating in 1981. Upon completion of pharmacy school, he attended the California College of Podiatric Medicine from 1981-1982 before deciding to attend medical school in 1983 at Northeast Ohio Medical University (formerly Northeastern Ohio Universities College of Medicine) graduating with Doctorate of Medicine in 1986.

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Katrina Masterson

Nurse Practitioner

Katrina has secured three degrees from Purdue University. She earned a Bachelor of Science degree in 1987, followed by a Master of Science in 2002, and culminated her education experience in 2014 by earning her Doctorate in Nursing Practice.

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Brad Hurliman

Physician Assistant

Brad is a certified physician assistant who has been working in dermatology since he graduated with a master’s degree in physician assistant studies from the University of Kentucky in 2003. Brad joined Randall Dermatology in 2008 and is a proud member of the SDPA (Society of Dermatology Physician Assistants).

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Holly Howe

Nurse Practitioner

Holly received her Bachelor’s Degree in Nursing in 2008 from Purdue University as well as her Master’s Degree in 2010. She began her dermatology career when she joined Randall Dermatology in 2010. Holly is currently a member of the Dermatology Nurses Association. Holly enjoys practicing general dermatology and always looks forward to meeting new people.

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Mark Manning

Nurse Practitioner

Mark completed his Doctorate of Nursing Practice (DNP) degree at the University of Washington. While at UW, Mark studied family practice and focused on general and cosmetic dermatology and serves his patients with any dermatological needs that may arise.

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Shelley Velickoff

Nurse Practitioner

Shelley received her Bachelor’s degree in Nursing from Pacific Lutheran University in 2006 and her Master’s degree in 2012 from University of Cincinnati. She has continued her work in Dermatology since 2012 starting in Tacoma, Washington with a recent relocation to Indiana to be closer to her family.

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Katherine Long

Nurse Practitioner

Katy received her Bachelor of Science in nursing from Trinity Christian College in 2017 and went on to complete her Doctor of Nursing Practice (DNP) degree in 2021 at Valparaiso University. She is credentialed with the American Nurses Credentialing Center (ANCC) and is a member of the American Association of Nurse Practitioners (AANP).

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