Dr. Hyland Cronin is a board-certified dermatologist and board-certified Mohs micrographic surgeon. She is a specialist in skin cancer, reconstructive surgery, and laser procedures.
She graduated Summa Cum Laude at the University of Notre Dame and she received her medical doctorate degree from the West Virginia University School of Medicine. She completed her Internal Medicine Internship at Loyola University and her Dermatology Residency at Geisinger Health System. Following her residency, she completed a fellowship in Mohs Micrographic Surgery in 2010 under the direction of renowned Dr. Glenn Goldstein at The Dermatology and Skin Cancer Center in Leawood, KS. Dr. Cronin, is a Mohs College graduate, having done the extra one-year fellowship training program in skin cancer surgery, pathology, and advanced reconstructive surgery.
By virtue of her rigorous fellowship, she possesses the skills and experience necessary to perform Mohs Micrographic Surgery and reconstruction at all levels of complexity. She is a board-certified dermatologist, a board-certified Mohs micrographic surgeon, a diplomate of the American Academy of Dermatology and a fellow of the American College of Mohs Micrographic Surgery and Cutaneous Oncology (www.mohscollege.org).
Laser technology has grown to effectively address a broad range of skin conditions. At Cronin Dermatology and Skin Cancer Center, Dr. Cronin and staff are educated and experienced in the use of this technology to treat skin conditions and cosmetic concerns, resulting in more refreshed, youthful-looking skin. The expertly administered laser treatment you receive reduces or eliminates the appearance of birthmarks, acne, brown spots, wrinkles, scars and more, to help you feel better about your skin’s health and your appearance.
She is also an active member of the American Society for Dermatologic Surgery and Women’s Dermatologic Society. In addition, she is the current president for the Washington Dermatologic Society. She was honored by receiving 2020- 2023 Top Doctors in the Washingtonian and Bethesda Magazine’s 2021 Top Doctors both chosen by her peers.
Dr. Cronin Specializes in the following services:
- Cancer (Basal Cell, Squamous Cell and Melanoma)
- Atopic Dermatitis
- Eczema Psoriasis
- Rosacea
- Acne
- Skin Tags
- Sun Damaged Skin
- Aging Skin
- Cysts Folliculitis
- Hair Loss (PRP)
- Infections of Skin and Nails
- Keloids
- Seborrheic Keratoses Stasis Dermatitis
- Leg Ulcers
- Urticaria
- Warts
- Vitiligo
- Actinic keratosis (Cryosurgery) and Actinic damage (Blue light photodynamic therapy)
- seborrheic keratosis
- stasis dermatitis
- Itchy Skin
- BOTOX® and fillers (including Restylane®, JuvedermVoluma®, RHA)
- Laser Hair Removal
- Profound Laser
- Microneedling
- VBeam Pulsedye Laser
- Sciton Joule X
- BBL/IPL
- Profractiona
- Skintyte
- Micropeel
- NanoPeel
- Halo Fractional Laser
- Acne Laser
Cassandra Rullman, PA-C
Cassandra Rullman, PA-C has been practicing in Dermatology since graduating from PA School. She has been trained in dermatology and cosmetics exclusively, and has become highly skilled in managing a variety of common and uncommon dermatologic disorders and skin cancers. She joined the team at Cronin Dermatology and Skin Cancer Center after practicing in Atlanta for years.Cassandra Rullman, PA-C grew up in the Annapolis area and graduated Magna Cum Laude from The Pennsylvania State University. For PA School Cassandra returned home to Maryland and graduated first in her class from the University of Maryland, Baltimore. She is a current and active member of Phi Alpha Physician Assistant Honor Society, the Society of Dermatology Physician Assistants, and the American Academy of Physician Assistants.
Valerie Fitton Blue, PA-C
Valerie is originally from Connecticut and completed her undergraduate studies at Boston College. Her interest in dermatology began while working as a medical assistant in a busy outpatient practice, where she developed a strong foundation in patient care and a passion for the field. She went on to earn her Master of Science in Physician Assistant Studies from the University of Saint Joseph, graduating with honors in 2022.
During PA school, Valerie was selected for a clinical rotation at Memorial Sloan Kettering Cancer Center in New York City, where she gained valuable experience in skin cancer care and innovative treatment approaches. Since joining Cronin Dermatology, Valerie has received training from Dr. Cronin in both medical and cosmetic dermatology, allowing her to provide comprehensive care for a variety of dermatologic concerns.
Valerie is an active member of the American Academy of Physician Associates (AAPA) and the Society of Dermatology Physician Associates (SDPA). She is dedicated to providing thorough, compassionate, and patient-centered care, with an emphasis on clear communication, individualized treatment plans, and helping patients feel confident in their skin.