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Illness
37 E 30th St., Ground Floor, New York, NY, 10016
150 W 55th St., 1G, New York, NY, 10019

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Professional Statement

** Dr. Ast does not see Aetna, Health first Silver leaf, fidelis, Humana or affinity patients for Primary Care** **We DO NOT accept Magnacare Oscar or Health Rebulic.** Dr. Frederick Ast specializes in Primary Care, Allergy, and Rheumatology treatments. Dr. Ast strives to achieve the highest level of quality and personalized care for each of his patients. Dr. Frederick Ast is a Board Certified Primary Care Doctor, Allergist and Rheumatologist. Dr. Ast attended State University of New York, Downstate Medical Center, Mount Sinai School of Medicine for Allergy and Immunology, Bellevue Hospital Center for Rheumatology, and Saint Luke's-Roosevelt Hospital Center for Internal Medicine. Dr. Ast treats patients for a variety of reasons including for allergy follow up, arthritis, joint pain, lupus, and much more.

Zocdoc Awards

Verified Patient Reviews

(Verified Patient)

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Very pleasant.

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Very thorough and efficient.

(Verified Patient)

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Dr. F. Ast is FAST. He diagnoses quickly and provides excellent advice. He’s been my GP for years.

(Verified Patient)

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Very respectful and knowledgeable doctor.

(Verified Patient)

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Extremely professional staff and doctors . ...doctors extremely experienced and knowledgeable.

(Verified Patient)

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He’s always very thorough. He listens!!!

(Verified Patient)

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Very thorough and was the first MD I've seen that agreed that an autoimmune diet would be helpful. That was refreshing to hear.

(Verified Patient)

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He was quick and to the point, checked me out and set up all the blood work I needed. I feel like he will help me figure out what I need to do to stay healthy.

(Verified Patient)

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Impressed with Dr. Ast's personable demeanor as a new patient. Would highly recommend and am glad I found him via this great app!

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Dr. Ast is very professional and takes time to answer questions and to explain any pertinent details. He is very thorough about the diagnosis. The office staff is also quite professional. I would definitely recommend this office.

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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.

(Verified Patient)

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Dr.Ast and his staff are very friendly & patient. Doc is very efficient and I am happy with my visit.

(Verified Patient)

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I was very pleased with the approach to my issues and I am looking forward to working with Dr AST's physical therapist to rehab my back

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The office is an absolute mess! Thought Dr. Ast was nice, the office seems to be run very unprofessionally. The door was not closed during my appointment and the doctor was having conversations with other people in the hallway throughout.

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Dr. Ast is a very attentive listerner and gives concise information for treatment options. I highly recommend Dr. Ast.

(Verified Patient)

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Dr. Ast is concerned, patient, cordial and very professional in his desire to be of service.

(Verified Patient)

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He was great. Had an interesting exchange with a lady at the front desk. She didn't like that I was joking around with the lady answering the phone so she rescinded her offer to take me into the back to see the Dr. I was like am I being punished. It sure seems she thought so.

(Verified Patient)

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Dr Ast is one of the best doctors I've seen. I've been going to him for years.

(Verified Patient)

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Dr. Ast. is great because although he is extremely busy and has a lot of patients, I really do feel like he's giving me his undivided attention for the time I'm with him. I also like that he's a doctor willing to try new things and work WITH you as a partner in the healing process. He doesn't presume to know it all and seems to understand that your opinion and concerns are the most important. A lot of conventional doctors have lost this touch.

(Verified Patient)

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The most important aspect about Dr. Ast is that he is compassionate. His staff is also friendly and nice. He is a caring physician that doesn't just rush you out of his office. He is willing to explain to you what results mean or could mean and that's crucial if you need further medical treatment or follow up. He makes you feel comfortable and like you're a person not another walking copayment.

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Excellent physician and very attentive. Highly recommend! I have had arthritis a long time and rotator cuff injury for the last year with minimal improvement in my symptoms. He is performing a more thorough work up so he can alleviate my pain and limitation in function.

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More than a 1 hour wait to see the dr. for 1 minute to refill a Rx.

(Verified Patient)

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Very friendly and professional! As a young person with chronic pain, many other doctors have simply ignored or dismissed my issues. Dr. Ast was much more understanding. I also love that his office has other relevant speicalists like a nerve doctor and physical therpaist. They seem to communicate so that's great!

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He's very friendly and his staff was very helpful and patient! :)

(Verified Patient)

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It was a little weird that a PA kept coming in and out of the examination room to get samples of things, especially while I was disrobed. Felt a little unprofessional.

(Verified Patient)

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Dr. Ast is by far the best doctor I have ever visited. He was extremely knowledgeable, professional and easy to talk to. I could not have asked for a better experience. I highly recommend him.

(Verified Patient)

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I know Dr. Ast for more than 20 years ago, I won't change anything. I will be his patient always.

(Verified Patient)

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This is not a review of the doctor but his highly unprofessional office staff. I got a physical from the doctor about a year ago and tried several times to call and get my lab results. 4 calls, 4 times waiting on hold, resulting in 4 times waiting for a call back that never happened. His staff is also extremely rude and treats patients with absolutely no respect to the point of being subhuman. I feel bad since the Doctor Ast is rather good, with a nice bedside manner. It is too bad his staff is ruining everything around it.

(Verified Patient)

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It was my first visit so I don't know if his approach will be ultimately be successful, but he seemed very knowledgeable and sensitive enough. I didn't like there was anything I couldn't say.

(Verified Patient)

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They were very busy when I came in to the office but they worked very hard to get everyone seen. Dr. Ast was wonderful as well as the nurse!. The only thing I didn't like was he asked me to send my medical records, normally the doctor obtains those from the hospital! Otherwise I will keep him as a PCP for sure!

(Verified Patient)

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Doctor was very polite. His assistant is straight to the point.

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Although the wait time was about 45 minutes, Dr. Ast is an excellent doctor. He answered all my questions and concerns, and was thorough with my care. The nurses have an excellent bedside manner as well.

(Verified Patient)

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I was very happy with my visit, despite the wait time (which was a result of a very demanding hospital and office schedule). The medical assistant was extremely thorough, and the front desk staff were both professional, courteous and very accommodating. This is a well-run practice and Dr Ast is an accomplished clinician. I look forward to recommending him to family and friends

(Verified Patient)

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The whole experience was unbelievably bad. This doctor shares his office with another physician so his name is not even on the door. I had to ask the doorman who directed through a basically unmarked door. The inside was dingy and dark. The receptionist couldn't find my appointment and then it turned out to be the wrong reception desk (there was no indication or explanation why there were two reception desks or which one was for which doctor). The administrative staff were curt and unfriendly. I waited for over an hour to see the doctor even though there did not appear to be many people there. There was no explanation or apology. The doctor was dismissive when I tried to explain the dates of the labs I brought with me. It was like he was reading from a script. When he said his piece and I finally explained the dates on the labs he agreed that blood had to be taken. The person taking the blood was not able to get the blood flowing. It took two of them multiple tries to draw the blood, and eventually the doctor decided that he didn't need one of the tests after all because the blood was too hard to draw. Finally I got out of there. I waited for over a month and did not hear anything about my results so I called the office - again, the receptionist was very rude and just said the doctor would call me back. It turned out they lost my blood - blamed it on the laboratory but at this point I don't even care I would never go back here or recommend this doctor or practice to anyone. It was a complete waste of time and energy and it is astounding that such an unprofessional practice could possibly exist.

(Verified Patient)

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I wanted a primary care doctor I could relate to. Dr. Ast was very thorough and reminded me of how doctors use to be.

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I would not recommend this doctor for anything. My first appointment took over 1 hour to be seen, the doctor clearly is trying to get you out of his office asap once you do have the chance to meet with him. Post my appointment I needed some follow-ups ordered...the doctor's staff was so incompetent that it took over 3 separate calls from me to remind them that this needed to be ordered. And it still never got done.

(Verified Patient)

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I struggle to believe this is a legal, legitimate practice. Both office phones are frequently disconnected or routed to operators. Have not received a call back with my blood work after 3 weeks of trying. Absolutely disgusting, unethical, and likely illegal.

(Verified Patient)

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This office either does not answer the phone or never returns calls. I am still awaiting my lab results.

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Great doctor and medical aid, office staff somewhat aloof detracting from an otherwise great visit

(Verified Patient)

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Dr. Ast is one of the kindest and sincere Doctor's I've ever met. He remembers my personal details from 6 year back.