Dermatology of Philadelphia 


CALL 215-315-3197 


200 N. 16th Street, Suite D

Philadelphia, PA 19102

(Corner of 16th and Race Streets, Entrance on 16th Street)


Mark Abdelmalek, M.D.

Mohs Surgeon | Dermatologist | ABC News Reporter & Medical Contributor


Dr. Mark Abdelmalek is a highly regarded, board-certified dermatologist, skin cancer surgeon, and ABC News reporter.  He is the founder of Dermatology of Philadelphia | Mohs Surgery Center which opened in Philadelphia in 2020.  As a fellowship-trained Mohs surgeon, Dr. Mark specializes in the precise surgical removal of skin cancer with expert reconstruction.  

Dr. Mark is on the clinical faculty at the Perelman School of Medicine at the University of Pennsylvania. He spent more than a decade in academic medicine culminating as the Interim Chair of the Department of Dermatology at Drexel University.  While at the forefront of academic medicine in Philadelphia, he partnered with premier faculty to train a generation of excellent dermatologists and conduct clinical research.  Dr. Abdelmalek’s clinical interests are caring for high-risk skin cancer patients and comprehensive skin care for organ transplant patients. 

Dr. Mark is also an award-winning medical and investigative reporter at ABC News.  As a frontline medical journalist, Dr. Mark plays an integral role in ABC News’ COVID coverage.  For more than a decade, he has worked alongside ABC News anchor Diane Sawyer sharing important stories of our time with television audiences of Good Morning America, ABC World News, 20/20, and Nightline.  In 2016, Dr. Mark received an Alfred I. duPont Columbia Award, one of the most prestigious honors in journalism, widely regarded as the equivalent of the Pulitzer Prize for broadcast news.  Dr. Mark has been nominated for a Peabody Award and four Emmy awards, including Outstanding News Special in 2020 about #Screentime and an ABC News Hidden America special in 2018 on hard working Americans struggling to stay in the middle class.

In 2016, Dr. Mark was honored by his peers with the prestigious Philadelphia Dermatological Society  ‘Founders Award’ for “devoting extraordinary time and talent as a teacher and clinician”.  He has also been recognized by Castle Connolly and Philadelphia magazine as one of Philadelphia’s “Top Doctors” and “Rising Stars in Medicine.”

Dr. Mark feels honored to bring academic excellence, compassion and conversation to the greater Philadelphia area community and patients.

Certifications & Memberships:
Board Certified Diplomate, American Board of Dermatology
Fellowship-trained Fellow, American College of Mohs Surgery
Fellow, American Academy of Dermatology
International Transplant Skin Cancer Collaborative
Philadelphia Dermatological Society, Past-President
Atlantic Derm Conference, 2015 Overall Chairperson
Philadelphia College of Physicians- Section of Dermatology, Past-President

Areas of specialty: 
Mohs Surgery
Skin Cancer
High-risk Skin Cancer
Transplant Dermatology: Comprehensive Skin Care for Organ Transplant Patients

Education & Training
Undergraduate: Penn State University, Schreyer Honors College
Medical School: Drexel University
Internal Medicine Internship: Hahnemann University Hospital
Dermatology Residency: Drexel University College of Medicine
Chief Resident: Drexel University, Department of Dermatology
Mohs Micrographic Surgery Fellowship: American College of Mohs Surgery- Laser & Dermatologic Surgery Center, St. Louis, MO

Awards and Honors
2022 Top Doctors™ Philadelphia Magazine
2021 Top Doctors™ Philadelphia Magazine
2020 Top Doctors™ Philadelphia Magazine
2019 Top Doctors™ Philadelphia Magazine
2018 Top Doctors™ Philadelphia Magazine
2017 Top Doctors™ Philadelphia Magazine
Philadelphia Magazine: Selected as one of Philadelphia’s rising stars in Medicine
Founders Award, Philadelphia Dermatological Society

Journalism Awards
Edward R. Murrow Award for Overall Excellence in Television, ABC News, 2020
Emmy® nominee. Outstanding Coverage of a Breaking News Story in a Newsmagazine.  “Triumph in Thailand” ABC News 20/20, 2019
Edward R. Murrow Award for Overall Excellence in Television, ABC News, 2019
Emmy® nominee, ABC News, My Reality: Hidden America, 2018
Peabody Award nominee, ABC News Hidden America Series, 2017
Deadline Club Award, ABC News Hidden America Series, 2017
GRACIE Award, 2017
Alfred I. duPont-Columbia Award, ABC News, 2016
Edward R. Murrow Award for Overall Excellence in Television, ABC News, 2016
Emmy® nominee, ABC News, 2017
GLAAD Media Award: Outstanding TV Journalism – Newsmagazine, ABC News, 2016
ABC News Storytelling Challenge Winner- Best new use of live stream storytelling, 2015
Edward R. Murrow Award for Overall Excellence in Television, ABC News, 2015
Salute to Excellence Television Finalist- National Association of Black Journalists, ABC News, 2015
Edward R. Murrow Award for Overall Excellence in Television, ABC News, 2014
Food Bank for New York City Honoree, 2013
MORE Award: American Academy of Orthopaedic Surgeons (AAOS), ABC News, 2012

Research, Publications, and Presentations See All

News Reports See All 


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Dr. Mark part of ABC News team to receive 2019 Edward R. Murrow Award

ABC News received four Edward R. Murrow Awards this year, including the most prestigious honor for television- the 2019 Edward R. Murrow Award for Overall Excellence. Dr. Mark is honored to share this award with many of his ABC News colleagues.  His work on the ABC...

Mustaches may lower risk of skin cancer-associated lesions on lips

This article was originally posted on on May 28, 2019.  By Dr. Mark Abdelmalek ABC News Medical Contributor Having a mustache might lower a person’s risk of developing a specific kind of pre-cancerous lesion on the lower lip known as actinic keratosis,...

#ScreenTime- watch the ABC News 2-hour special with Diane Sawyer

#SCREENTIME- What does the word trigger for you? For the last 6 months I've been working on an ABC News special tackling an important topic of our generation...#ScreenTime.  In our reporting, we learned that American adults spend the equivalent of 49 days a year on...

New Research about Skin Cancer in Nonwhite Patients

In a January 2019 research paper published in the Journal of the American Academy of Dermatology our research team of curious dermatologists took a look at our experience in treating skin cancer in nonwhite patients. In that paper we give some important background-...

New drug for alopecia shows promise: What you need to know.

This article was posted on and Good Morning America on January 3, 2019.  Jason Lipkin lost all the hair on his body when he was 35 years old. The dad and attorney was diagnosed with a rare and extreme type of hair loss, known as alopecia universalis. Faced...

Detecting skin cancer: Is a handheld magnifying tool better than the naked eye?

This article was posted on on December 22, 2018.   Could an extra 72 seconds in a routine skin exam help detect skin cancer? This month a group of experts from the United Kingdom released a report on the effectiveness of a small handheld magnifying device...

ABC News 20/20 Inducted into Broadcasting & Cable Hall of Fame

I get to work on a show that has been on television for over 40 years.  ABC News' 20/20 first aired on June 6, 1978.  Now in its 41st season, the show is a kind of television legend with in-depth reporting and compelling storytelling.   The 20/20 team also produces...

John McCain Would Want You to Wear Sunscreen

John McCain was a survivor.  On the battlefield, in politics, and like millions of Americans, a skin cancer survivor.   John McCain battled melanoma, the more serious type of skin cancer, on and off for about 25 years.     As I remember John McCain, I think back on...

North Carolina Boy Hospitalized with Brain Inflammation after Mosquito Bite

News this weekend of a little boy with brain inflammation after a mosquito bite is a reminder that sometimes mosquito bites can be more than just an annoying welt. A North Carolina mom’s posting on social media has brought attention to La Crosse Encephalitis, a rare...

New ABC News Hidden America with Diane Sawyer Playlist on YouTube

It's an honor to be part of the ABC News Hidden America team.  The ABC News "Hidden America" series has grown into a moving initiative under Diane Sawyer's leadership.   With each installment the "Hidden America" team sets out to shine a light on the people, places...

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