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Ethna Murphy Hinrichsen, P.A.-C.

Ethna Hinrichsen, P.A.-C. is a NCCPA (National Commission on Certification of Physician Assistants) Board Certified Physician Assistant. She has been a Physician Assistant since 1997. She obtained her Bachelor’s Degree in Business at Florida State University and graduated with honors. Ethna Hinrichsen, P.A.-C. went on to obtain her Bachelor’s Degree in Physician Assistant studies from Nova Southeastern University, where she graduated with High Honors in 1997. After having practiced Internal Medicine, Ethna entered the field of Dermatology in 2011.

When the opportunity came to open Ithaca Medical Aesthetics with Dr Dana Negoi, Ethna Hinrichsen, P.A.-C. was eager to create a Medical Spa, dedicated to serving the whole person and to be able to serve the needs of the people who are on the path to look their best at any age.

Ethna Hinrichsen, P.A.-C. has been extensively trained and certified in Botox®, neuromodulators, dermal fillers, RF micro needling, microblading and medical-grade skin care products. She enthusiastically continues to perfect her skills at advanced training programs in the evolving non-invasive facial rejuvenation field. Ethna approaches her work using subtle cosmetic enhancements to help clients look their best.


Education & Training

  • Florida State University, BS- Business

  • NOVA Southeastern University, BS Physician Assistant 

  • Aesthetic Medical Educators Training, Miami, FL

  • Aesthetic Vision Institute - Master Training, Miami FL

  • MINT PDO Thread Training - NYC

  • Institute for Laser Medicine  - Chemical Peel/Dermaplane;  Microneedling with PRP (Medical) 

  • Inmode Training - Morpheus8 and Evolve

Certifications & Licenses

  • Neuromodulators, Dermal fillers, MINT PDO Threads, Chemical Peels, Microneedling, Dermaplane

  • NYS License -Physician Assistant

  • NCCPA - Certified 



  • New York Academy of Physicians Assistants (NYAPA)

  • American Academy of Physicians Assistants (AAPA)

  • Society of Dermatology Physicians Assistants (SDPA)

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