Meet Our Staff

All professionals at Southwest Dermatology maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.


 

Cheuk W. Yung, M.D.

(Chicago, Orland Park, Ottawa)

Speciality
Dermatologist

Training
Dr. Yung graduated from the New York University School of Medicine in 1977, and completed his residency in dermatology at the Cinncinatti Medical Center and University of Chicago Hospitals and Clinics in 1981. He is certified by the American Board of Dermatology.

Interests
Primary interests are skin cancer diagnosis and treatment, and Mohs surgery. 

 

Shirley Jean-Baptiste, M.D.

(Chicago and Orland Park Office)

Speciality
Dermatologist

Training
Dr. Jean-Baptiste graduated from the Northwestern University School of Medicine in 1999, and completed her residency in dermatology at Northwestern University in 2003. She is board certified by the American Board of Dermatology. Her practice interests include advanced therapy for psoriasis, eczema, and skin cancer surgery, including Mohs.

Interests 
Cosmetic interests include Botox & Restylane for frown lines and KTP laser for vascular lesions

 

Frank A. Tobin, M.D.

(New Lenox and Orland Park Office)

Speciality
Dermatologist

Training
Dr. Tobin graduated from Loyola University - Stritch School of Medicine in 2001, and completed his residency in dermatology at the University of Illinois College of Medicine in 2005. He is board certified by the American Board of Dermatology. Member of the American Society of Mohs Surgery. 

Interests
Practice interests include skin cancer detection and skin cancer surgery, including Mohs Surgery. Dr. Tobin  also enjoys medical dermatology and all dermatological surgical procedures including, Cyst and Lipoma removals. His cosmetic interests include chemical peels, Botox, fillers such as Restylane and Juvederm and laser therapy.

 

John C. Fox, M.D.

(New Lenox)

Speciality
Dermatologist

Training
Dr. Fox graduated from the University of Chicago Pritzker School of Medicine in 2007 and completed his residency training in Dermatology at The University of Chicago Medical Center in 2011. He is board certified by the American Board of Dermatology.

Interests
Practice interests include medical dermatology, autoimmune disease, acne, rosacea, skin cancer treatment, and pediatric dermatology. Cosmetic interests include Botox for expression lines.

 
Olga Radkevich-Brown MD, PhD
(Chicago, Orland Park office)
Specialty 
Dermatologist
Training
Dr Radkevich-Brown obtained her graduate degree in Cancer Biology from Wayne State University of Michigan in Detroit , Michigan,  and her medical degree from the university of Michigan Medical School in 2013.  She completed her residency training in Dermatology at University of Chicago in 2017, where she also served as a Chief Resident.  She is board certified by the American Board of Dermatology. 
Interests
Practice interests include medical dermatology, such as atopic dermatitits (eczema), psoriasis, autoimmune and immunobullous skin disorders, acne, rosacea, and skin cancer prevention and treatment.  Cosmetic interests include Botox for expression lines and hyaluronic acid soft tissue fillers.  

 


Theresa Longo, M.S.N, D.C.N.P.

(Orland Park Office)

Speciality
Dermatology Certified Nurse Practitioner

Training
Theresa Longo graduated from St. Joseph College of Nursing with a B.S.N. in 1995 and from St. Xavier University with an M.S.N. in 2000.  She is board certified by the American College of Nurse Practitioners and the Dermatology Nurse Certification Board.

Interests
Primary interests include skin cancer detection & surgery.  Care of pediatric and adult conditions, including acne, rosacea, eczema, psoriasis, and warts.  Cosmetic interests include Botox, Juvederm, Restylane, Belotero, chemical peels, dermaplaning, laser therapy and cosmeceuticals, including Restorsea and Skinceuticals. 

 

Judy Valkenburg, PA-C

(Orland Park Office)

Speciality
Certified Physician Assistant

Training
Valkenburg graduated from Northern Illinois University with a B.S. in Nursing in 1987. She graduated from Midwestern University in 2002 with a B.M.S. in Physician Assistant Studies. She is board certified by the National Commission on Certification of Physician Assistants.

Interests
Primary interests include pediatric skin disorders and acne therapy.

 

Michael Regan PA-C

(Orland Park - New Lenox - Ottawa office)

Training
Michael graduated from Loyola University Chicago with a bachalors degree in Biology in 2006.  He went on to earn his master's degree in physician assistant studies from Albany Medical College.  He is board certified through the National Commission on Certification of Physician Assistants.

Interests
Primary interests include skin cancer detection and treatment, performing dermatological surgical procedures and treating various medical conditions including eczema, psoriasis and acne. 

 

Megan Rowan PA-C

(Orland Park - Chicago - Ottawa)

Training
Megan graduated with her bachelor's degree from the University of Iowa in 2012.  She completed her Master in Medical Science at Barry University in Miami Florida in 2016.  She is board certified by the National Commission on Certification of Physician Assistants.