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Sarah Humbarger, PA-C

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MBD - Norristown
2705 Dekalb Pike, Ste 308
Norristown, Pennsylvania 19401

Phone: (610) 272-7546
Fax: (610) 272-1064

MBD - Roxborough
525 Jamestown Ave, Ste 206
Philadelphia, Pennsylvania 19128

Phone: (215) 482-7546
Fax: (215) 482-7548


Sarah Humbarger, PA-C joined Dr. Harold Milstein Mrs. Sarah Malstrom PA-C in August of 2008. She is a board certified Physician Assistant. She has been a practicing dermatology Physician Assistant since 2001. Prior to joining this group she worked in Springfield, PA.

Sarah is dedicated to providing quality dermatologic care in a pleasant and compassionate environment. She strives to listen to her patients concerns and put together a comprehensive treatment plan. She also enjoys getting to know her patients.

Sarah graduated from the University of Delaware with a bachelor in Nutritional Science and Dietetics. She then attended Beaver College (now Arcadia University) in Glenside, PA where she received her master’s in Physician Assistant studies.

Sarah and her husband Bryan have three young girls and son. Most of her spare time is spent with her family. Sarah loves to run, bike, and participate in other outdoor activities. She also enjoys traveling with her family. Sarah and her family also love spending time on Long Beach Island, NJ.


  • BS, Nutritional Science/Dietetics, University of Delaware
  • MS, P.A. Studies, Arcadia University


  • American Association of Physician Assistants
  • Society of Dermatology Physician Assistants
  • Pennsylvania Academy of Physician Assistants