Evolve Medical Spa Staff

The Evolve Medical Spa staff is passionate about providing relaxing and rejuvenating care and services to help guests feel and look younger. Read more about our licensed staff:

N. Daniel Catz – MD, FACS, AME

Dr Catz
Dr. Catz completed his medical school degree through UAG and SUNY Downstate Medical School. He did his residency in Otolaryngology/Head and Neck Reconstructive surgery at Georgetown University in Washington, DC. He is Board Certified in both Otolaryngology Head and Neck and Reconstructive Surgery. Dr. Catz is an Assistant Clinical professor at UNC-Chapel Hill, Director of the Sleep Lab at Johnston Health and an Aviation Medical Examiner for the FAA. He has extensive experience in reconstructive and cosmetic head and neck surgery, and hormone treatment therapy, which improves the lives of patients suffering from disease, trauma and congenital malformation.

Over the last 30 years of medical practice, N. Daniel Catz, MD, FACS, AME has recognized two critical issues: the need for an integrative approach to health and wellness; and that feeling physically at your peak and looking your best can have a profoundly positive effect on one’s general health.

With the opening of Evolve Medical Spa, N. Daniel Catz, MD, brings a new service to Johnston County and the surrounding areas. The medical spa offers a unique blend of health and wellness treatments to both men and women. Through the integration of skin care products, bio-medical treatments, nutrition, exercise counseling and bio-identical hormone replacement therapy, Dr. Catz is dedicated to offering excellent services to help guests improve their health, appearance and general well being.

Ashley Davis –  Physician Assistant

Ashley is a Physician Assistant specializing in aesthetics. She graduated from NC State University in 2003 Summa Cum Laude with a B.S. in Microbiology. She then completed the Physician Assistant Master’s program at Methodist University in 2006. She spent the first 4 years of her medical career in Orthopedic Surgery but transitioned into dermatology and aesthetics when she had her little girl in 2011. Ashley has a passion for the medicine and art of aesthetics and is experienced in cosmetic injections, lasers, and skin care. Her main goal is to make patients feel comfortable and relaxed, and to help each patient achieve and maintain beautiful skin and the confidence that comes with it. Ashley is compassionate, conscientious, and detail oriented, which enhances her experience with Botox, Juvederm, various lasers, and chemical peels.

She is a member of the American Academy of Physician Assistants. Ashley lives in Clayton, and has a daughter, Delaney (3). In her spare time Ashley enjoys reading, being outside, and spending time with her family. She was a classical dancer for 18 years, and still enjoys participating in dance and yoga classes when her schedule allows.


Crystal Hill –  Physician Assistant

Crystal Hill is a certified physician assistant and graduated from the Physician Assistant program at Methodist University in 2004. She spent the first 8 years of her medical career in General Surgery and then transitioned into Plastic Surgery, where she trained in cosmetic injections, lasers and skincare. Her focus is enhancing each individuals’s youthful appearance with a gentle approach and trained eye. Crystal’s practical experience with injectable fillers, such as Juvederm XC, allow her to counsel clients while developing a personal plan to best suit their needs.

She is a member of the American Academy of Physician Assistants and Association of Plastic Surgery Physician Assistants. Crystal lives in Fayetteville, NC with her husband and 2 dogs. In her spare time Crystal enjoys reading, watching sports, working out, and cooking with her family.

*Evolve Medical Spa is currently looking for experienced Licensed Estheticians and Nurse Injectors. We are an Equal Opportunity Employer.

Contact Us

  • This field is for validation purposes and should be left unchanged.

About Evolve Medical Spa

Hours & Location


101 E. Market Street, Suite 3C
Smithfield, NC 27577

Phone: 919-205-1376
Fax: 919-205-1378


Monday - Wednesday: 9:00am - 6:30pm
Thursday - Friday: 9:00am - 5pm