What patients are saying
Overall rating
4.91
Average wait time
4.49
Bedside manner
4.90
“Doc, is the greatest.
I got word that i had to have a blood test the same time and i had to to see Doc,. He said can I give 9:30am the night before and i said, HOLLA!
I gave him a smoooocccchhhhh!!
They all all smiled
I had my shoulder replaced at the same time and they were were worried about a blood clot So double booked with Riddle. And this CAT/DOC squeezed me in. Love him and his Sister!
Actually, Beautiful Dude ripped something off my back.
Doc, love you!
Love,
ME”
Thomas W.April 17, 2026
“I can't say enough positive things about Dr. Thieu! The doctor took his time to listen to all my concerns. He took me seriously and was compassionate. Dr. Thieu did what he could to make the procedure as painless as possible. I felt heard and appreciated the care.”
Tricia C.Less than 1 month ago
About Dr. Khanh Thieu
NEW PATIENT OFFICE POLICY:
It is our office policy to charge for missed appointments or for appointments cancelled without 24 hours notice.
If your insurance requires a referral, please obtain one prior to your visit. We are not responsible for obtaining your referral.
New patients should arrive 15 minutes before appointment time and submit insurance information prior to the visit.
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Dr. Khanh Thieu received his medical degree from Harvard Medical School. He trained in dermatology at Columbia University, where he also served as chief resident. Dr. Thieu is a native of the Philadelphia area and attended the University of Pennsylvania for college, where he graduated summa cum laude with dual bachelor degrees in economics and engineering. Dr. Thieu has graduated from Ivy League institutions at each level of his education. He is happy to be back in the Philadelphia suburbs to serve the community where he grew up.
Dr. Thieu is board-certified in both dermatology and dermatopathology. His practice includes medical, surgical, and cosmetic dermatology and encompasses adult and pediatric patients.
Dr. Thieu has presented at national dermatological conferences and has many publications in peer-reviewed dermatology and scientific journals. His most recent research has focused on the genetics of melanomas and squamous cell cancers, for which he received a research grant from the American Medical Association.
Dr. Thieu's cosmetic expertise includes laser treatments, Botox, dermal fillers, body contouring, and cosmetic removal of moles and skin growths.
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In-network insurances
99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
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.
Psoriasis
Acute skin infection
Benign or precancerous skin growths
Shingles
Joint cyst
Psoriasis
Acute skin infection
Benign or precancerous skin growths
Shingles
Office locations
Dr. Khanh Thieu, MD, FAAD also offers online video visits for patients
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Education and background
Practice names
Hospital affiliations
- Lankenau Medical Center
- Thomas Jefferson University Hospital
Board certifications
- American Board of Dermatology
- Dermatopathology (American Board of Dermatology)
Education and training
- Medical School - Harvard University, Doctor of Medicine
- Columbia University, Residency in Dermatology
Professional memberships
- American Academy of Dermatology
- American Society of Dermatopathology
Awards and publications
- Thieu KP, Tsao H. Neoplastic disorders of melanocytes. Pediatric Dermatology, 4th edition. London, UK: Mosby, 2011.
- Thieu KP, Tsao H. Genetics of non-melanoma skin cancer. Non-surgical Treatment of Keratinocyte Skin cancer. Berlin, Germany: Springer; 2009.
- Thieu KP. Dermatological diseases of newborns. Lippincott’s Primary Care Dermatology. Philadelphia, USA: Lippincott Williams & Wilkins, 2010.
- Thieu K, Ruiz M, Owens DM. Cells of origin and tumor-initiating cells for nonmelanoma skin cancers. Cancer Letters. 2012 May 11.
Languages spoken
- English
Provider's gender
Male
NPI number
1093030462
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.91
Wait time
4.49
Bedside manner
4.90
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
989 reviews
Most relevant
Doctor Thieu and his assistant were kind, friendly, clever and easy to talk to. Dr Thieu is a great surgeon! Appreciate!
January 29, 2026Long L.Verified patient
Booking the appointment was very easy. The office was close to my home too. The appointment was quick and very thorough.
August 5, 2025Nicholas C.Verified patient
I had a very good experience with the office staff, and the medical service was excellent.
March 26, 2026Peter G.Verified patient
Always tops. Highly recommended. Prompt, and professional, but also make you feel comfortable.
August 18, 2025Gerard T.Verified patient
Extremely thorough, I highly recommend and will definitely go back!
March 31, 2026James T.Verified patient
Top dermatologist in this Philadelphia. Travel out of state just to get their services. They are simply the best !
September 5, 2023Rafael N.Verified patient
Excellent care with good results. And far more scrutiny during the examination than I received from my prior dermatologist.
February 4, 2021Daniel L.Verified patient
Dr Khanh was very thorough he took time to explain everything and I would definitely recommend him to my family and friends.
More than 1 year agoInitials hidden
Dr. Khanh has a very good bedside manner and seems to be a good Dr (I had a very simple procedure). I would go back to him.
October 17, 2017Initials hidden
This was my first visit and I appreciated the fast check in process. I liked the doctor and look forward to the follow up.
April 11, 2019Phoebe B.Verified patient
Courteous office staff. Very short wait time. Doctor was informative, answered my questions and agreed on treatment plan.
May 25, 2016Bobbie A.Verified patient
Very friendly staff and clean. Took time to explain issues.
January 13, 2026John M.Verified patient
I was very happy with Dr. Thieu's honesty and explanation regarding my condition. He was very pleasant and encouraging.
December 18, 2018Laura B.Verified patient
Dr.Thieu was very efficient! My wait wasn't long at all. The staff were also very polite. I would definitely recommend!
February 14, 2018Shauntia B.Verified patient
Extremely nice staff. Worth the hour drive! Dr.Khanh was also very nice and I felt very comfortable talking to him.
March 8, 2019Benjamin C.Verified patient
The dr. was so helpful and gave me enough time.
I felt comfortable explaining my issues.
I highly recommend him.
More than 1 year agoMona H.Verified patient
Dr. Thieu is great. I have been a patient for a number of years. Just great.
May 21, 2025Steve F.Verified patient
I think he is a great doctor, very considerate and explains all procedures and exam in a very understandable way.
September 16, 2018Patricia F.Verified patient
He and his team are really professional. Dr. Khanh is able to explain the treatment procedure clearly to patients.
January 23, 2017Hemei L.Verified patient
He was very professional and knowledgeable. Felt comfortable during the entire visit! The office is very nice too.
October 26, 2015Initials hidden
I will always go to see Dr. Khanh Thieu. He is so patient with me. He explains everything to me.
More than 1 year agoTeresa S.Verified patient
Dr. Thieu was excellent! I would highly recommend him. His front office staff gets zero stars, unprofessional.
June 13, 2019Initials hidden
He’s always professional and reactive. I’ve been going to him for years he’s very straightforward and simple.
February 19, 2020Steven C.Verified patient
Excellent doctor who asked questions & listened to answers. Very professional & would recommend.
More than 1 year agoInitials hidden
A very pleasant experience. Dr and staff were thorough and detailed. I would definitely go back.
April 18, 2023Anthony B.Verified patient
All of the employees seemed very professional and courteous. The doctor's office was very clean and modern.
September 14, 2017William N.Verified patient
I received the best attention from Dr. Khanh.
He is always very courteous, professional and dedicated.
June 18, 2019Rodolpho C.Verified patient
Was great he explain my situation and give advice about medication . He answered all my questions kindly.
January 18, 2019Initials hidden
Clean office, very friendly and knowledgeable staff. Doc thorough and answered all my questions!
December 27, 2022Stephanie A.Verified patient
His diagnosis was quick and accurate. Treatment methodology much better than my previous dermatologist.
More than 1 year agoInitials hidden
He is the ultimate professional, truly concerned about your individual needs and issues plus friendly!
More than 1 year agoMartin H.Verified patient
Dr. Thieu is very kind and knowledgeable. Gave good recommendations for my condition.
March 13, 2024Ann O.Verified patient
Continued to treat the same wart, never fully removing it, but always charging full price every visit.
April 3, 2016Nicholas L.Verified patient
Doctor Thieu was very informative and professional. I would highly recommend a visit for your needs.
More than 1 year agoIsmael S.Verified patient
Very professional and very knowledgable. I will definitely recommend him to all my friends and family
September 19, 2015Procope S.Verified patient
Was very nice and informative... patiently listened to call my symptoms and then explained the cause
April 2, 2019Gaurav R.Verified patient
Great visit with the Dr and his staff. Terrific guidance and great practitioner. Highly recommend
February 25, 2020Edward H.Verified patient
Doctor Thieu and his staff are very efficient and friendly . I would recommend their services .
More than 1 year agoAlan T.Verified patient
First visit to the Dr. He was very professional and patient. Was not rushed at all. Will be back!
More than 1 year agoInitials hidden
Quick and easy visit. Nice place. Would recommend.
Less than 1 year agoInitials hidden
Very clean office- everyone was helpful, and I believe I got the answer I was looking for.
January 18, 2022Initials hidden
they were friendly and prompt , knowledgeable and through
February 19, 2025michael M.Verified patient
Very thorough and listened to my concerns. I highly recommend him!
August 22, 2024Nancy K.Verified patient
He's great. He was also kind. His office staff and med assistance were also wonderful.
June 21, 2017Michael R.Verified patient
The visit was great. The doctor addressed all my concerns. The whole team was wonderful.
More than 1 year agoInitials hidden
Very knowledgeable. Took the time to explain what was happening and was very thorough.
October 29, 2020Bianca R.Verified patient
Very professional and knowledgeable. And most importantly, he was efficient! Thank you.
November 30, 2016Initials hidden
I love how the doctor explains everything in detail.
March 12, 2025Kristi P.Verified patient
Dr. Thieu was great. Warm and welcoming and I felt at ease for my first skin screening.
May 31, 2014Tiffany Y.Verified patient
Superb diagnostician - precise and thorough! And all done with a caring, light touch.
June 16, 2018Philip R.Verified patient
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How soon can I make an appointment with Dr. Khanh Thieu?
Generally, Dr. Khanh Thieu has appointments available on Zocdoc within 1 week. You can see Dr. Thieu's earliest availability on Zocdoc and make an appointment online.
Is Dr. Khanh Thieu accepting new patients?
Dr. Khanh Thieu generally accepts new patients on Zocdoc. You can see Dr. Thieu's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Khanh Thieu accept my insurance?
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Can I make an appointment with Dr. Khanh Thieu online?
Yes, you can make an appointment online with Dr. Thieu using Zocdoc. It’s simple, secure, and free.
Which hospital is Dr. Khanh Thieu affiliated with?
Dr. Khanh Thieu is affiliated with Lankenau Medical Center and Thomas Jefferson University Hospital.
What practice does Dr. Khanh Thieu work with?
Dr. Khanh Thieu works with Innovative Dermatology.
Where is Dr. Khanh Thieu's office located?
Dr. Khanh Thieu has 3 office locations, including in Havertown and Wilmington, view full addresses on Dr. Thieu's profile.
Which board certifications does Dr. Khanh Thieu have?
Dr. Khanh Thieu is certified by American Board of Dermatology and Dermatopathology (American Board of Dermatology).
What are common reasons for patients to see Dr. Khanh Thieu?
Dr. Khanh Thieu frequently sees patients for Acne, Annual Skin Screening, Mole Screening/Treatment, Rash, and Skin Problem . You can see other visit reasons for Dr. Khanh Thieu on their profile.
What languages does Dr. Khanh Thieu speak?
Dr. Khanh Thieu speaks English.
How do patients rate Dr. Khanh Thieu in reviews?
989 patients have reviewed Dr. Khanh Thieu. The overall rating for this doctor is 4.91/5. They have a 4.9/5 rating for bedside manner and a 4.49/5 rating for wait time. You can read individual reviews and ratings on their profile.