What patients are saying
Overall rating
4.88
Average wait time
4.67
Bedside manner
4.96
“Every visit with Dr Ilyas has been a pleasant session. Her depth of experience is immediately apparent and you leave knowing you were in very good hands. ”
Ralph H.March 10, 2026
“Very positive and clear about possible outcomes and possible solutions. Lowered stress level with information.”
Initials hiddenMarch 6, 2026
About Dr. Erum Ilyas
Dr. Erum Ilyas focuses on adult and pediatric medical dermatology, cosmetic dermatology, and skin cancer treatment. Dr. Ilyas grew up in Maryland and graduated cum laude from the University of Maryland with a Bachelor of Arts and Science.
She earned her medical degree from the MCP Hahnemann School of Medicine as a member of the Alpha Omega Alpha National Medical Honor Society, and completed her Dermatology training at the Cooper University Hospital of UMDNJ, where she also served as Chief Resident of Dermatology.
Dr. Ilyas has practiced dermatology in the Philadelphia area and Boston for over 15 years, and has served as Assistant Professor of Dermatology at Drexel University College of Medicine.
She is a Fellow of the American Academy of Dermatology, Diplomate of the American Board of Dermatology, Fellow of the American Society of Dermatologic Surgery, member of the Society for Pediatric Dermatology, Pennsylvania Academy of Dermatology, and Philadelphia Dermatological Society.
Dr. Ilyas has presented nationally and authored several peer-reviewed journal articles and textbook chapters. She is married and has 3 children.
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In-network insurances
99% of patients have successfully booked with these insurances
Aetna
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Cigna
Medicare
UnitedHealthcare
Areas of expertise
This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Acute skin infection
Rash
Removal of cancerous skin growth
Benign or precancerous skin growths
Psoriasis
Acute skin infection
Rash
Removal of cancerous skin growth
Benign or precancerous skin growths
Office locations
Schweiger Dermatology Group - King of Prussia - 1st Avenue (1 of 2)
860 1st Ave, Ste 8B, King of Prussia, PA 19406
Schweiger Dermatology Group - King of Prussia - Main Line Health (2 of 2)
120 Vly Green Ln, 6th Floor, King of Prussia, PA 19406
1 of 2
Education and background
Practice names
Board certifications
- American Board of Dermatology
Education and training
- Medical School - Drexel University, Doctor of Medicine
- University of Maryland (Bachelor's)
- Rowan University, Cooper University Hospital, Residency in Dermatology
Professional memberships
- American Academy of Dermatology
- American Society for Dermatologic Surgery
- Society for Pediatric Dermatology
- Pennsylvania Academy of Dermatology
- Philadelphia Dermatological Society.
Awards and publications
- Castle Connolly Top Doctor
- 2024 Castle Connolly Top Doctor
Languages spoken
- English
- Urdu
Provider's gender
Female
NPI number
1003800541
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.88
Wait time
4.67
Bedside manner
4.96
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
670 reviews
Most relevant
Very positive and clear about possible outcomes and possible solutions. Lowered stress level with information.
March 6, 2026Initials hidden
I really like Dr. Erum Ilyas, she is 1000 times better than my previous dermatologists. Answered all my questions.
April 17, 2025Kewalin P.Verified patient
Excellent bedside manner and patience with an anxious 8 year old. Always a great experience with Dr. Ilyas.
May 15, 2025Wyatt D.Verified patient
Everyone I encountered was very friendly and professional. Overall I was very pleased with my visit.
March 20, 2025Edward Z.Verified patient
I was very pleased with the Doctor's thorough knowledge and efficiency throughout the visit.
Less than 1 year agoBrian O.Verified patient
Booking app does not let you select the Dr I wanted. Took three attempts until I got it
October 28, 2025Raymond B.Verified patient
Excellent care. The physician was easy to talk with. Lovely office and good parking available.
July 9, 2025TIMOTHY M.Verified patient
Truly excellent! Very kind and great attention to detail. Highly recommend.
October 23, 2025Marjory C.Verified patient
Very nice people. Dr Ilyas always takes the time to explain in detail situations and results.
March 16, 2025Initials hidden
I would definitely refer friends to this office. Dr Ilyas was wonderful as was her assistant and receptionist.
More than 1 year agoInitials hidden
Dr Ilyas is very kind and has a wonderful bedside manner. I highly recommend her.
July 9, 2025Patricia A.Verified patient
Great experience
And great interaction with Barbi….very kind and attentive!
August 26, 2025Linda B.Verified patient
Dr. Ilyas, is very knowledgeable, kind and understanding. She is awesome as is her Medical Assistant.
July 24, 2024Deborah P.Verified patient
Fantastic visit. Dr Ilyas answered my questions and explained with great clarity.
June 11, 2025Maureen M.Verified patient
Dr. Ilyas is always attentive and provides excellent care to her patients.
August 21, 2025Initials hidden
I will definitely recommend them to my friends. N yes! I will go back if i needed
May 27, 2025Ayesha S.Verified patient
What a polite, caring doctor! She had a gameplan for me without hesitation. Thanks so much! Tom
July 30, 2024Tom B.Verified patient
Very efficient and detail oriented. Great warm friendly staff and manner.
August 6, 2025Jose R.Verified patient
Outstanding and efficient service. Questions were answered and anxiety level reduced. Highly recommend!!
October 26, 2023Brynn H.Verified patient
I met with PA working under Dr. Ilyas. Her name was Fatima Camara. She was amazing. Office staff was amazing too.
September 20, 2021Joni S.Verified patient
She was very sweet and very helpful! I would definitely recommend her to anyone needing a dermatologist.
August 9, 2023Amanda B.Verified patient
Excellent provider that took her time with me and explained everything in detail. Very friendly. Great practice!
January 21, 2022William L.Verified patient
Fatima was AMAZING so personable and made me feel so comfortable! I am so excited to start my skin care regimen!
August 20, 2021Marissa N.Verified patient
Staff very professional knowledgeable. They take good care of patients
May 29, 2025Karen B.Verified patient
Highly recommend for cleanliness, friendliness, timing, and of course medical expertise.
More than 1 year agoInitials hidden
Such friendly and understanding staff would recommend to a friend
July 8, 2025Nina J.Verified patient
All the staff was very friendly. The doctor listened to my needs and concerns.
December 11, 2024Jessica F.Verified patient
Dr. Ilyas was very easy to talk to and she respected what I had to say. I would definitely recommend her.
January 25, 2021Rebekah V.Verified patient
Dr Ilyas was attentive engaged wanted to be sure my questions were answered. I was very impressed
July 28, 2022Karen L.Verified patient
Dr Erum Ilyas was very personable and I at ease with her.
July 23, 2025David S.Verified patient
outstanding, staff very friendly and the doctor helped me a lot in order to understand everything
November 11, 2021Alejandro A.Verified patient
I loved this dermatologist. I changed due to insurance, and think it ended up being a blessing.
More than 1 year agoInitials hidden
The Dr I was was awesome. I believe her name was Fatima. She made me feel very comfortable.
October 22, 2022Julie P.Verified patient
Dr Illyas is professional, on time and friendly. You are never rushed!
August 7, 2024Maria D.Verified patient
She was pleasant, thorough and answered all my questions
May 8, 2025Debra B.Verified patient
It was overall great, highly recommended to those who are seeking better skin health!!
February 22, 2023Mohammad E.Verified patient
Dr. Camara was absolutely fantastic and I would recommend her to anyone in need.
October 3, 2023Gianna C.Verified patient
Very kind & sweet, knew what I was experiencing right away! Nice office staff as well!
July 24, 2022Dona M.Verified patient
Veru positive experience with Dr. Elyas, as usual.
May 5, 2025Initials hidden
very nice staff, felt very comfortable throughout the whole appointment
February 20, 2024Allison N.Verified patient
She was excellent. Great listener. Helpful. Office was great.
August 15, 2024Maureen K.Verified patient
From the time I walked in the office everything was fast, friendly, and efficient
January 14, 2022Christie M.Verified patient
Office is difficult to find in the office complex where it is located.
More than 1 year agoInitials hidden
Wonderful experience with Dr. Ilyas and her staff as always.
June 19, 2024Andy H.Verified patient
Great bedside manner, very warm and pleasant, and a good listener.
October 5, 2023Initials hidden
Such a good listener and recommended solutions to my concerns. Very caring.
More than 1 year agoInitials hidden
Definitely would recommend, very friendly, caring, and listening staff.
November 20, 2022Tyler J.Verified patient
Great office! Everyone is super nice and helpful. I felt very comfortable!
August 30, 2021Laura A.Verified patient
Absolutely the “go to” doctor. Knowledgeable and reassuring.
December 13, 2023Carol M.Verified patient
Very friendly, felt heard and felt Dr. Erum Llyas was knowledgeable
August 13, 2022Crystal C.Verified patient
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How soon can I make an appointment with Dr. Erum Ilyas?
Generally, Dr. Erum Ilyas has appointments available on Zocdoc within 1 week. You can see Dr. Ilyas's earliest availability on Zocdoc and make an appointment online.
Is Dr. Erum Ilyas accepting new patients?
Dr. Erum Ilyas generally accepts new patients on Zocdoc. You can see Dr. Ilyas's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Erum Ilyas accept my insurance?
Choose your insurance plan to verify if Dr. Ilyas is in-network.
Can I make an appointment with Dr. Erum Ilyas online?
Yes, you can make an appointment online with Dr. Ilyas using Zocdoc. It’s simple, secure, and free.
What practice does Dr. Erum Ilyas work with?
Dr. Erum Ilyas works with Schweiger Dermatology Group.
Where is Dr. Erum Ilyas's office located?
Dr. Erum Ilyas has 2 office locations in King of Prussia, view full addresses on Dr. Ilyas's profile.
Which board certifications does Dr. Erum Ilyas have?
Dr. Erum Ilyas is certified by American Board of Dermatology.
What are common reasons for patients to see Dr. Erum Ilyas?
Dr. Erum Ilyas frequently sees patients for Acne, Annual Skin Screening, Dermatology Consultation, Hair Loss, and Rash. You can see other visit reasons for Dr. Erum Ilyas on their profile.
What languages does Dr. Erum Ilyas speak?
Dr. Erum Ilyas speaks English and Urdu.
How do patients rate Dr. Erum Ilyas in reviews?
670 patients have reviewed Dr. Erum Ilyas. The overall rating for this doctor is 4.88/5. They have a 4.96/5 rating for bedside manner and a 4.67/5 rating for wait time. You can read individual reviews and ratings on their profile.