What patients are saying
Overall rating
4.74
Average wait time
4.69
Bedside manner
4.80
“I saw the P.A. Shiran Ginsberg and she was fantastic. Very knowledgeable and explained everything very well and mentioned possible causes that no other doctor had mentioned. She is very easy to talk to and I will definitely go back to her. ?”
Elizabeth C.December 10, 2025
“I saw Shiran, the nurse practitioner. She was friendly, informative, and thorough. I would highly recommend!”
Initials hiddenLess than 6 months ago
About Dr. Lian Mack
**Please indicate the specific reason for your visit so we can best prepare to see you!
Please note, Gramercy Laser and Medical Dermatology has a 48 hour cancellation policy.
If you are an existing patient of Dr. Mack from another practice, please click that you are a new patient so that the insurance information transfers over. Thank you!
Dr. Mack is a board certified dermatologist, who practices all aspects of cosmetic, medical, and surgical dermatology. She graduated magna cum laude from Columbia University, Columbia College in the City of New York. She continued her postgraduate studies at Weill Cornell Medical College, during which she did a one-year research fellowship in melanoma research at the NYU School of Medicine. After a one-year internship in transitional medicine at Cornell’s New York Hospital, she went on to complete her residency in Dermatology at St. Luke’s - Roosevelt Hospital Center where she served as Chief resident during her final year. She currently holds the position of Assistant Professor of Clinical Dermatology at Mount Sinai Hospital.
Our mission at GlamDerm, is to provide patients with exceptional service and the highest quality of care. We work closely with patients in a very serene environment to help them achieve the goal of healthy, happy skin. Our providers utilize their clinical expertise and experience with today's technology to leave you looking and feeling your best. When our patients look and feel their best, they radiate confidence and beauty, and we love that!
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In-network insurances
99% of patients have successfully booked with these insurances
Aetna
Cigna
Emblem Health
UnitedHealthcare
UnitedHealthcare Oxford
Office locations
GlamDerm - Gramercy Laser and Medical Dermatology (1 of 2)
130 E 18th St, Ste 1U, New York, NY 10003
GlamDerm - Gramercy Laser and Medical Dermatology (2 of 2)
1 Palmer Ave, Ste 201, Scarsdale, NY 10583
1 of 2
Education and background
Practice names
Hospital affiliations
- The Mount Sinai Hospital
Board certifications
- American Board of Dermatology
Education and training
- Medical School - Cornell University, Doctor of Medicine
- Saint Luke's-Roosevelt Hospital Center, Residency in Dermatology
Professional memberships
- American Academy of Dermatology
- American Society for Dermatologic Surgery
Languages spoken
- English
Provider's gender
Female
NPI number
1083878623
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.74
Wait time
4.69
Bedside manner
4.80
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
3006 reviews
Most relevant
I saw Shiran, the nurse practitioner. She was friendly, informative, and thorough. I would highly recommend!
Less than 6 months agoInitials hidden
Fast service, clean and aesthetic space, parking available, and extremely friendly bedside manner.
August 11, 2025Aliya B.Verified patient
Long wait time. Staff and provider were very brief/rushed but provided a helpful plan. I am not sure if I will return.
September 12, 2024Julia S.Verified patient
I was desperate to get checked out the same day and they were the only ones who had time available. So thankful for them.
April 11, 2024Michelle T.Verified patient
I booked with Dr specifically but was seen by nurse practitioner. No Dr was even in the office.
July 8, 2025James P.Verified patient
Dr. Mack is thorough, thoughtful, lovely, always knows me and remembers me. Definitely someone I would recommend to friends.
October 31, 2023Nancy S.Verified patient
Overall, I’m very satisfied with the experience I like to continue to see the doctor for my Dermatology needs.
September 16, 2024Initials hidden
The office was beautiful. Dr. Mack was very pleasant and informative. The overall experience was stellar,
More than 1 year agoInitials hidden
I have been to Dr. Mack a few times now and she is great listener and you don’t feel rushed. I like her calm manner as well.
January 10, 2023Jacqueline T.Verified patient
Great experience, friendly, and addressed my situation quickly and developed a plan of care for the future. Very happy!
August 8, 2023Initials hidden
Very Thorough Annual Skin Screening. Very smooth process to book appointment and was seen straight away! All very pleasant!
March 2, 2023Vanessa V.Verified patient
The doctor was super knowledgeable. She was friendly, yet professional, and spent the time necessary to answer my questions.
March 17, 2017Hannah B.Verified patient
Super nice and knowledgeable. She happily answered all of the questions and made me feel comfortable. I will be returning.
December 29, 2018Charlotte M.Verified patient
Really professional staff, I was assisted by one of the P.A.'s who was very pleasent to talk to. Very happy with this find!
More than 1 year agoMarc H.Verified patient
Dr. Mack is thorough and confident! She is gentle and the office is immaculate. Staff are very caring ! Highly recommend...
August 17, 2018Jamie F.Verified patient
Dr. Mack is superb. She is knowledge and able to build trust. The staff working in her practice are also very professional.
October 21, 2015Initials hidden
Got a quick but thorough annual screening. Dr. Mack explained everything she was doing and looking at and kept me at ease.
More than 1 year agoInitials hidden
From the front desk to the PA and Dr. Mack herself my visit was top notch. If you need a dermatologist look no further.
November 14, 2018Richard N.Verified patient
Extremely nice and caring about your issues. Explains conditions and medicines very thoroughly. Would highly recommend.
February 3, 2021Initials hiddenVideo visit
All around great experience. Everyone in the office is efficient, professional, and personable. Will certainly go back.
July 8, 2016Initials hidden
Dr. Mack is the best Dermotologist in NYC. She has a beautiful office, friendly and smart staff. Needle in a haystack.
More than 1 year agoAllison R.Verified patient
Dr. Mack is extremely friendly and knowledgable. She is patient and takes her time to explain all solutions available.
April 20, 2015Daphne C.Verified patient
She seemed off put by having to examine my condition. Not thorough, not particularly willing to volunteer suggestions.
More than 1 year agoInitials hidden
Dr. Mack was courteous, knowledgeable and had great bedside manner.
Highly recommend her and the practice.
July 5, 2023Iga C.Verified patient
Dr. Lian Mack was amazing. She is the epitome of patient centered care. Detailed oriented and extremely knowledgable.
January 28, 2016Nadine H.Verified patient
She was very knowledgable helpful and understanding. One of the best doctors I have gone to. I highly recommend her!
August 4, 2014Sarah G.Verified patient
Dr. Mack took her time and helped me understand all my issues and medications. I felt totally informed when i left. :)
August 1, 2013Initials hidden
Absolute joy seeing this dermatologist! Spent time / so patient and knowledgeable!!! 5 Stars
September 17, 2024Jessica M.Verified patient
She has the right balance between knowledgeable professional and sympathetic healer. I was very happy with the visit.
April 29, 2016Cyralene C.Verified patient
Loved Dr. Mack. She was very knowledgeable, and kind. Highly recommend her to to others. Will definitely be back.
March 2, 2018Milana A.Verified patient
Dr. Mack is one of the few doctors that actual listens and takes her time with you. She and her staff are wonderful!
More than 1 year agoSusan R.Verified patient
Dr. Mack is caring and practical. She has an easygoing bedside manor and makes sure she handles all of my concerns.
February 20, 2015Initials hidden
She is very well spoken, and she really payed close attention to my concerns. She is amazing!!!! Very professional.
More than 1 year agoWanda C.Verified patient
Straight to the point, and adamant in treating you! No laundry list or wastes your time! Great first experience :)
January 22, 2019Effie F.Verified patient
Very professional and thorough. I didn't feel rushed and she definitely takes the time to be as helpful as possible
More than 1 year agoInitials hidden
Dr. Mack was very thorough and took the time to listen to all of my symptoms. Would definitely recommend to others.
February 16, 2017Conor C.Verified patient
Dr. Mack was very professional and answered all of my questions. Looking forward to going back for other services.
November 13, 2015Marisol G.Verified patient
Dr. Mack is fantastic and has a great support staff. She's smart, efficient and warm. Couldn't recommend her more.
May 30, 2019Initials hidden
Lissa was beyond caring and very educational and helpful, being away from home she offered me a lot of support.
More than 1 year agoInitials hidden
Dr. Mack and her staff are very professional. The office is new and conveniently located near a major subway stop.
September 22, 2015Matthew S.Verified patient
Great office, easy free parking, no wait time and very friendly staff - I would highly recommend
More than 1 year agoInitials hidden
She was very brief but I suppose my visit warranted just a few minutes since I was there to get a second opinion.
June 27, 2016Initials hidden
Dr. Mack was friendly and very clear in her communication. I would recommend!
March 14, 2025Emmett N.Verified patient
Didn't seem to take my concerns seriously after realizing that I wouldn't be interested in purchasing any creams.
February 21, 2016Initials hidden
Friendly office staff, on time appointment. She took time to explain different options. I would highly recommend!
October 23, 2015Jennifer W.Verified patient
Dr. Mack was great! Super nice and professional and made me feel comfortable while listening to my concerns.
June 24, 2021Sarah P.Verified patient
Amazing. Really nice, felt like she listened. Office is inviting, staff is professional, polite, and efficient.
More than 1 year agoInitials hidden
Went in for a regular skin check. The experience was quick and easy, and Dr Mack was very pleasant and helpful.
November 16, 2017Paola M.Verified patient
Wonderful experience! Great staff took the time to explain the procedure and made me incredibly comfortable.
April 12, 2018Colleen M.Verified patient
Great experience! Very efficient and friendly on top of being very thorough. Will definitely come back
More than 1 year agoMelissa P.Verified patient
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How soon can I make an appointment with Dr. Lian Mack?
Generally, Dr. Lian Mack has appointments available on Zocdoc within 1 week. You can see Dr. Mack's earliest availability on Zocdoc and make an appointment online.
Is Dr. Lian Mack accepting new patients?
Dr. Lian Mack generally accepts new patients on Zocdoc. You can see Dr. Mack's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Lian Mack accept my insurance?
Choose your insurance plan to verify if Dr. Mack is in-network.
Can I make an appointment with Dr. Lian Mack online?
Yes, you can make an appointment online with Dr. Mack using Zocdoc. It’s simple, secure, and free.
Which hospital is Dr. Lian Mack affiliated with?
Dr. Lian Mack is affiliated with The Mount Sinai Hospital.
What practice does Dr. Lian Mack work with?
Where is Dr. Lian Mack's office located?
Dr. Lian Mack has 2 office locations, including in New York and Scarsdale, view full addresses on Dr. Mack's profile.
Which board certifications does Dr. Lian Mack have?
Dr. Lian Mack is certified by American Board of Dermatology.
What are common reasons for patients to see Dr. Lian Mack?
Dr. Lian Mack frequently sees patients for Acne, Allergy Consultation, Annual Skin Screening, Dermatology Consultation, and Hair Loss. You can see other visit reasons for Dr. Lian Mack on their profile.
What languages does Dr. Lian Mack speak?
Dr. Lian Mack speaks English.
How do patients rate Dr. Lian Mack in reviews?
3006 patients have reviewed Dr. Lian Mack. The overall rating for this doctor is 4.74/5. They have a 4.8/5 rating for bedside manner and a 4.69/5 rating for wait time. You can read individual reviews and ratings on their profile.