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Center of Dermatology and Laser Surgery of Philadelphia

About US

Franziska Ringpfeil, MD

FRANZISKA RINGPFEIL, MD Philadelphia Top Doctors 2018 Award

Dr. Ringpfeil started practicing Dermatology in Germany back in 1990 after completing her medical school at Henrich Heine University in Dusseldorf. In 1994, she accepted an invitation to join Thomas Jefferson University, where she spent over 10 years as a researcher, a resident, a faculty member, and an assistant professor practicing cosmetic and pediatric dermatology.

Dr. Ringpfeil is a board certified dermatologist who has authored numerous scientific papers in major professional journals, authored and co-authored several chapters in the leading textbooks for dermatology, and has lectured both nationally and internationally.

She received the Young Investigator Award by the American Academy of Dermatology, as well as an award by the Alpha Omega Alpha Honor Medical Society for outstanding teaching faculty. She served as a vice chair for the Dermatology Foundation, the nation’s leading supporter for dermatologic research. Dr. Ringpfeil is listed on the expert panel of F.I.R.S.T. (Foundation for Ichthyosis and Related Disorders) and is a member on the advisory board for NAPE (National Association for Pseudoxanthoma Elasticum).

In addition, she volunteers her time at Camp Discovery, a camp for children with the most severe skin diseases.

Jayne Bird, MD


Dr. Bird graduated from the dermatology program at Brown University in Providence, Rhode Island, where she served as chief resident in her final year. Before Brown University, Dr. Bird completed an internship at the Pennsylvania Hospital in Philadelphia.

Dr. Bird won the Merk Award for Academic Excellence and the Samuel Spiegel M.D. Memorial Award for clinical honors. She was elected to the Alpha Omega Alpha medical honor society, where she served as the chapter’s vice president.

Dr. Bird is a board certified dermatologist and a member of the American Academy of Dermatology and the American Society of Dermatologic Surgery. She specializes in general, cosmetic, and surgical dermatology. She published several papers in general dermatology and dermatopathology and presented at both regional and national meetings.

Originally from Mountain Home, Idaho, Dr. Bird attended the University of Idaho to receive her undergraduate degrees in Business Finance and Mathematics.

Miriam Vega Gonzalez, MD.

Miriam Vega Gonzalez, MD

Dr. Gonzalez is a board-certified dermatologist with over 20 years of experience. She completed her residency in dermatology at Thomas Jefferson University and has served patients at well-known practices in Arizona and Philadelphia.

Dr. Gonzalez practices both general and cosmetic dermatology. She sees patients at our Haverford location on Mondays and our Center City office on Tuesdays and Wednesdays. Dr. Gonzalez who was born in Colombia speaks fluent Spanish.

Bao Tran, Medical Aesthetician


Bao Tran is an experienced medical aesthetician who has been practicing at leading dermatology and medical Spas in the Philadelphia and Mainline area since she graduated and obtained her certification from Jean Madeline Avenda Institute.

Bao’s solid foundations in the science of skin, anatomy, and skin conditions enable her to deliver solutions to complex skin and hair conditions for patients with all skin types.

She performs laser hair removal by utilizing multiple lasers that are specific to each skin type. She developed an expertise in the treatment of acne and severe acne scars, utilizing multiple techniques, lasers, and devices, such as the Picosure laser, Infini microneedling RF technology, Pixel, IPL, advanced chemical peels, and of course microdermabrasion and medical facials.

Other expertise includes the treatment of rosacea and melasma with Pulsed Dye Laser (VBeam Perfecta), Picosure, and the Melanage peel.

Kristen E. Starr, Licensed Aesthetician

Kristen E. Starr, Licensed Aesthetician

Kristen E. Starr is a seasoned medical aesthetician who specializes in advanced aesthetics and laser medicine. She graduated from the esthetician program at the Rizzieri Aveda School in 2007 and continued her education at the Institute for Laser Surgery and the Integrative Medical Aesthetician Program of New Jersey.

Kristen specializes in laser treatments such as laser hair removal, tattoo removal with the Picosure and Enlighten lasers, pulsed dye lasers for pigmented lesions treatment, Icon for the treatment of brown spots and the Infini for scar treatment and skin tightening.

In addition, Kristen is known for dermaplaning, micro-needling, medical grade facials, microdermabrasion, and chemical peels.