What patients are saying
Overall rating
4.50
Average wait time
4.20
Bedside manner
4.54
“This Doctor ask many questions and answers all of my concerns and even took my blood ?? It has been a long time seen a DR those this for me that was special ”
Hector S.June 29, 2023
“great doctor, super smart guy. listened to my full history and put the puzzle pieces together clearly. ”
John L.June 2, 2023
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In-network insurances
Dr. Frederick Ast has 150+ in-network plans.
Education and background
Practice names
Education and training
- Medical School - SUNY Downstate Medical School, Doctor of Medicine
- Mount Sinai Morningside, Residency in Internal Medicine
- Mount Sinai Hospital, Fellowship in Rheumatology
Awards and publications
- Castle Connolly Top Doctor
Languages spoken
- English
Provider's gender
Male
NPI number
1699742288
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.50
Wait time
4.20
Bedside manner
4.54
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
978 reviews
Most relevant
Dr. Ast has always helped me. He really has saved me. He helped me with all my issues and understood.
Highly recommend.
May 23, 2022Christina G.Verified patient
Spoke fast and didn’t give you time to answer a question. Instead he answered for you. I feel he didn’t take me seriously.
October 16, 2017Initials hidden
Have been using Dr. Ast for over 15 years now and he is always concerned, quick response and very kind and knowledgeable.
April 15, 2020Claudia D.Verified patient
My visit with Dr Ast was very good He was familiar with my other health conditions, and prescribed medications accordingly.
April 20, 2013Catherine R.Verified patient
Dr. Ast is very attentive and is a good listener. I would come back to see him. I’ve been his patient for three years.
October 8, 2021Lisette A.Verified patient
I wanted a primary care doctor I could relate to.
Dr. Ast was very thorough and reminded me of how doctors use to be.
November 29, 2016Michelle J.Verified patient
Not very attentive. Seemed like a perfunctory visit. Didn't feel comfortable talking to him about personal medical issues.
More than 1 year agoInitials hidden
An overall fine experience but could do a better job explaining symptoms and treatment as a first time allergy sufferer.
November 16, 2013Initials hidden
Dr. Ast was very professional and helpful. I was there for an annual physical and I felt satisfied with the examination.
December 28, 2015Christopher P.Verified patient
I would recommend this provider. I have been his patent for many years and would like to continue under his care.
More than 1 year agoInitials hidden
Dr. Ast is a very attentive listerner and gives concise information for treatment options. I highly recommend Dr. Ast.
August 29, 2017Initials hidden
Extremely communicative, honest and concerned. He's a great doctor to get honest advice or comfortable treatment from.
September 23, 2013Elizabeth P.Verified patient
Dr. Ast is extremely thorough and made sure I understood the diagnosis and took the time to answer all of my questions.
July 7, 2011Initials hidden
Dr. Ast is one of the kindest and sincere Doctor's I've ever met. He remembers my personal details from 6 year back.
August 17, 2016Fabianni B.Verified patient
Dr. Ast has a heart of gold. He really cares about his patients, he is calm and efficient. I feel so good in his care.
December 28, 2015Jara M.Verified patient
Nice, caring, and helpful doctor... Sweet nurses and aids... Consistently nasty and rude women at the front desk.
More than 1 year agoInitials hidden
Dr. Ast is a very patient doctor and takes the time to explain things (i.e., procedure, necessary diet change, etc.).
October 16, 2013Lawrence Z.Verified patient
I cannot begin to express my satisfaction with Dr. Ast. He is courteous & professional. Just overall fantastic!
March 29, 2019Yvette C.Verified patient
I was very pleased with Dr. Ast. He was very knowledgable and gave me several options in dealing with my allergies.
August 29, 2014Nikia R.Verified patient
Dr. Ast listened to my concerns, was thorough, and explained everything clearly. I will definitely recommend him!
May 3, 2019Judith R.Verified patient
Dr Ast is very experienced and friendly. He doesn’t just diagnose, but also educate patients in an effective way.
August 14, 2019Yiwen W.Verified patient
great doctor, super smart guy. listened to my full history and put the puzzle pieces together clearly.
June 2, 2023John L.Verified patient
I've been with Dr. St for a while and he has always been very professional and informative about my conditions.
April 24, 2018Marguerite C.Verified patient
I've seen Dr. Ast as my primary care physician and as an allergist this year. Good doc, and very professional.
May 7, 2015Initials hidden
He was really nice and kind. But never called to me to send my results, for this reason I don't give 5 starts.
More than 1 year agoInitials hidden
Very nice, extremely understanding of my situation, and helpful. I would recommend Dr. Ast without hesitation.
January 27, 2012Philip M.Verified patient
Dr. Ast took his time and went over my medical history. He was patient and answered my questions.
June 20, 2023Maritza R.Verified patient
Dr. Ast is very experienced and knowledgeable in his field. i have been going to him for almost 10 years.
December 31, 2015Jaliyah W.Verified patient
As always Dr. Ast was able to take care of all my questions and diligently took care of my medical needs.
More than 1 year agoInitials hidden
I continue to value Dr Ast's knowledge, intelligence, manner and consideration of my needs and concerns
April 24, 2019Lynn N.Verified patient
Very honest and helpful with my condition. Especially since it was my first visit to an allergist ever.
More than 1 year agoInitials hidden
It was my first time with him and for me he is a good doctor I liked the way he explained every thing
January 18, 2019Narsis S.Verified patient
I felt very comfortable with this doctor, he was very professional and answered all of my questions.
August 7, 2018Carla B.Verified patient
I love Dr. Ast. He is so caring and never males you feel rushes. Also, he always has great refferals.
January 12, 2015Iveta S.Verified patient
Very prompt and courteous, was taken into the exam room 2 minutes after my scheduled appointment.
More than 1 year agoInitials hidden
Dr. F. Ast is FAST. He diagnoses quickly and provides excellent advice. He’s been my GP for years.
January 17, 2018Bill V.Verified patient
I know Dr. Ast for more than 20 years ago, I won't change anything. I will be his patient always.
April 3, 2017Miriam S.Verified patient
Friendly, professional, and fast! I will definitely be going back and would recommend him highly!
May 17, 2012Cara S.Verified patient
I thought the doctor was borderline rude and clearly didn't have much time to talk/listen to me.
More than 1 year agoInitials hidden
Dr Ast Frederick is very experienced professional and understands his patient's needs very well.
April 9, 2015Kiranmayi T.Verified patient
Ive been going to Dr. Ast for several years and am very happy with the dr.-patient relationship.
April 10, 2014Bruce K.Verified patient
I found the atmosphere professional yet friendly. I will be happy to have Dr. Ast as my doctor.
September 24, 2010Initials hidden
Dr. Ast is concerned, patient, cordial and very professional in his desire to be of service.
August 15, 2017Shaen B.Verified patient
Allergist specialist became my GP. Very knowledgeable And responsive, cares about patients
January 8, 2022Jon D.Verified patient
Competent and warm professional. Saw him for a general annual exam and he was quite thorough.
April 4, 2016Initials hidden
Amazing, patient, thoughtful, thorough, empathetic. All the best qualities. Highly recommend!
July 26, 2013Initials hidden
Thoroughly professional and well educated. Good doctor/patient behavior. Highly recommended.
March 31, 2011Isaac Z.Verified patient
Dr. Ast has been great in treating my RA. He listens and adjusts my treatment when needed.
More than 1 year agoInitials hidden
Was good. Could have recommended which tests to get done a little better. But overall good
More than 1 year agoInitials hidden
Dr Ast was very knowledgeable and explained everything in great detail. Highly recommend!
More than 1 year agoInitials hidden
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How soon can I make an appointment with Dr. Frederick Ast?
Generally, Dr. Frederick Ast has appointments available on Zocdoc within 1 week. You can see Dr. Ast's earliest availability on Zocdoc and make an appointment online.
Is Dr. Frederick Ast accepting new patients?
Dr. Frederick Ast generally accepts new patients on Zocdoc. You can see Dr. Ast's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Frederick Ast accept my insurance?
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Can I make an appointment with Dr. Frederick Ast online?
Yes, you can make an appointment online with Dr. Ast using Zocdoc. It’s simple, secure, and free.
What practice does Dr. Frederick Ast work with?
Dr. Frederick Ast works with TeleMed2U.
What are common reasons for patients to see Dr. Frederick Ast?
Dr. Frederick Ast frequently sees patients for Abnormal ANA Testing, Arthritis, Back Pain, Rheumatoid Arthritis, and Rheumatology Consultation. You can see other visit reasons for Dr. Frederick Ast on their profile.
What languages does Dr. Frederick Ast speak?
Dr. Frederick Ast speaks English.
How do patients rate Dr. Frederick Ast in reviews?
978 patients have reviewed Dr. Frederick Ast. The overall rating for this doctor is 4.5/5. They have a 4.54/5 rating for bedside manner and a 4.2/5 rating for wait time. You can read individual reviews and ratings on their profile.