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Dr. Mariana Marcu, MD

Allergist

Professional statement

Dr. Mariana Marcu M.D., FAAAAI is a board certified allergist in New York City. With more than 15 years of clinical experience, Dr. Marcu specializes in skin allergic conditions, asthma, allergy immunotherapy for seasonal and perennial allergic rhinitis, along with insect venom allergies, and food and drug oral challenges. She conducts state-of-the-art testing and manages patients’ treatment in her two offices, which are conveniently located in midtown Manhattan and SoHo. Dr. Marcu is a graduate of Carol Davila University of Medicine and Pharmacy in Bucharest, Romania. She gained her certification from the American Board of Internal Medicine and the American Board of Allergy and Immunology. She completed her residency at NYHQ–New York–Presbyterian Healthcare System and continued there as chief medical resident for an additional year. Her Allergy, Asthma & Immunology fellowship was completed at North Shore–LIJ Health System, which was previously located at Schneider Children’s Hospital. Dr. Marcu is a fellow of the American Academy of Allergy, Asthma & Immunology (AAAAI). She is also a member of the New York Allergy & Asthma Society (NYAAS) and the World Allergy Organization (WAO). To keep up to date with the latest scientific developments, Dr. Marcu participates in the annual meetings of the American Academy and College of Allergy, Asthma & Immunology along with other international lectures and conferences in the field. In her free time, Dr. Marcu enjoys listening to jazz and classical music with her husband, attending art galleries with her daughter, and strolling through Central Park with Maggie, her cocker spaniel.

In-network insurances

  • 1199SEIU
  • AARP
  • AIG

Specialties

  • Allergist

Practice names

Hospital affiliations

  • Lenox Hill Hospital
  • The Mount Sinai Hospital

Board certifications

  • American Board of Allergy and Immunology

Education and training

  • Medical School - Universitatea de Medicina si Farmacie Carol Davila Facultatea de Medicina
  • New York Hospital Queens (Residency)
  • North Shore-Long Island Jewish Health System, Fellowship in Allergy, Asthma and Immunology

Professional memberships

  • American Academy of Allergy, Asthma & Immunology
  • New York Allergy and Asthma Society

Awards and publications

  • Patients' Choice Award 2008

Zocdoc awards

Rapid registration
See you again

Languages spoken

  • English
  • Spanish
  • Romanian

Provider's gender

Female

NPI number

1336222165

Office locations

Allergy & Asthma Care of Manhattan, PLLC

30 East 40th Street, Suite 802

New York, NY 10016

Allergy & Asthma Care of Manhattan, PLLC

155 Spring Street, 4th Fl

New York, NY 10012

Patient reviews
All reviews have been submitted by patients after seeing the provider. For more information, check out our Patient Knowledge Base.
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Dr. Marcu was excellent. She explained the possible causes of my symptoms and took the time to answer each of my questions. Definitely adding her to my permanent medical team.
Source: Zocdoc
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Friendly and knowledgeable. Will be going back!
Source: Zocdoc
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Dr. Marcu was kind, detailed and dedicated to helping me find a solution to an awful rash other doctors had been brushing off. She made me smile and gave me piece of mind as well as solutions! Highly recommend.
Source: Zocdoc
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Mariana is great. Didn't feel like a doctor visit, more like a friendly chat as I got some testing done.
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Amazing Doctor. I will be recommending.
Source: Zocdoc
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Caring and professional doctor
Less than 3 months ago
Source: Zocdoc
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I think she was AMAZING, she explained everything with a lot of detail, check many things to get a real assessment. Just make sure that you go to the right office. my waiting time was super long but not because oftheir office but because i went to the wrong front desk. so in the soho office make sure you dont sign in in the first desk.
Source: Zocdoc
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Dr. Marcu and her tram were excellent. The wait time was short, the front desk staff/nurses were friendly. Dr. Marcu herself is also very friendly and took her time to listen to my problem and find sounds solution for me. Ihighly recommed Dr. Marcu & her team. I will go back for allergy related problem in the future. Thanks Dr. Marcu & staff!
Source: Zocdoc
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Very attentive, and took care of all my concerns. Beautiful personality, and professional.
Source: Zocdoc
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Excellent service and treatment!
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She sweet and very understanding.
Source: Zocdoc
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Very informative and knowledgeable. She actually takes the time to explain things to you.
Source: Zocdoc
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Such a lovely and pleasant experience. Dr. Marcu explained everything clearly and made me feel very comfortable. Would 100% recommend her!
Source: Zocdoc
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She was so sweet and caring
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Dr. Marcu was very thorough and professional. I felt like I was in good hands and had all my questions answered.
Source: Zocdoc
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I felt very comfortable and welcome. Dr. Marcu was very informative and answered any questions I had for her. Thank you, Dr. Marcu!
Source: Zocdoc
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Every efficient
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I was unhappy with the experience. I will not be going back.
Less than 1 year ago
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Dr.Marcu was very passionate and knowledgeable with me. I enjoyed my first visit with her and I definitely recommend her to everyone.
Source: Zocdoc
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She is great. Im pretty sure you will appreciate her as i did.
Source: Zocdoc
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very thoughtful and kind.
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She was very caring and helpful. I really like her.
Source: Zocdoc
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Wonderful care received by Dr Marcu, she took her time to understand my medical issue and administered an allergy test right away, saving me a second appointment!
Less than 1 year ago
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Easy and simple to save some time ahead of the appointment. Since I’m a new patient, still to sign the forms when I was in.
Source: Zocdoc
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She was the sweetest, most caring doctor I've had in the longest time. I am definitely going back and recommending her to everyone :-)
Source: Zocdoc
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Great experience. Very knowledgeable and friendly. She asked all the right questions and made me feel more comfortable with something I was confused about. I felt at ease and confident when leaving her office.
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Knowledgeable, staff was also great. Prompt.
Source: Zocdoc
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Dr. Marcu made me feel awful about a number of things—my weight, my “lack” of allergic symptoms, and my diet. Whether she agreed with me or not, there was no need to act condescending and judgmental. I strongly recommend avoiding this doctor.
Source: Zocdoc
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Dr. Marcu is fine, what isn't fine is the lousy staff and the labs she is using. They lost my blood test and only told me about it after 3 weeks. I called multiple times to find out the results, butthis is unacceptable. I'll find someone else who does what they are paid for and follow up in a timely manner.
Source: Zocdoc
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Very detail oriented and genuine. Took the time to take a full history and did not rush through the appointment.
Source: Zocdoc
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Dr. Marcu and her whole staff was great! She explained to me the causes of my allergies and various treatment options. She was very professional and would highly recommend her.
Source: Zocdoc
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She does it correctly! what more can I say? thats the most important thing.
Source: Zocdoc
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Dr. Marcu was great, will be back!
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Extremely knowledgeable of my condition and very experienced
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This was my first time seeing doctor Mariana Marcu and the minute I walked in, the receptionist was so warm and friendly. I didn't have my insurance card on me or a referral and they went out their way to callmy primary care doctor and have them fax it over. The medical assistant was very very nice in getting me prepared to see the doctor. The minute doctor Marcu walked in the room, it felt like she had been my doctor forever. My visit exceeded my expectations...I wouldn't hesitate to recommend her.
Source: Zocdoc
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Dr Marcu was informative and helpful: she both identified what was wrong and was understanding of the distress I was in. However, she is very short with her employees and I think many of her frustrations with their performance could be resolved if she was a little friendlier / politer.
Source: Zocdoc
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I was a little late, and the front desk when I walked in was a little snarky when I started with an apology. They then advised me I was at the wrong desk and my Dr's check in was around thecorner-- after that hiccup the staff was lovely and gracious of my apology for lateness. Very kind and knowledgeable doctor and staff. Didn't solve my issues yet, but through follow up she assures me she will.
Source: Zocdoc
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I have been a patient for years. She always takes the time to listen, which nowadays is not that common. Her diagnoses are always on point. She stays current advising of new or upcoming treatments. I rarely have to wait long. I highly recommend!
Source: Zocdoc
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Very attentive team, and a lovely and thorough doctor.
Source: Zocdoc
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She was great. Took a lot of time to talk and understand my issues.
Source: Zocdoc
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Dr. Marcu was really sweet and friendly. She's also knowledgeable and informative. Her staff were also really professional and sweet. I got an allergy testing done as well. She informed me what I was allergic to and thoroughly explained whenit could be worsen given the allergy. Would highly recommend her to anyone looking for an allergist!
More than 1 year ago
Source: Zocdoc
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One of the best doctor I've met. Extremely informative, knowledgeable, witty and empathetic! Bravo!
Source: Zocdoc
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Wonderful and kind doctor who explains everything thoroughly. Very friendly and professional staff.
Source: Zocdoc
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Dr. Marcu took her time to thoroughly hear and understand my issues, asking the right questions and providing hypothesis before testing. Office was clean, efficient and friendly. Satisfactory with experience and explanation of test results and treatment.
Source: Zocdoc
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Great staff. Dr. Macu herself was freakin' brilliant and personable. Patient, kind, informative, and was just great!
Source: Zocdoc
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Excellent. She was very thorough and caring. I feel like the plan she came up for me is ideal, and I look forward to seeing Dr. Marcu again.
Source: Zocdoc
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Knowledgeable, understanding, and cares! I felt comfortable and satisfied in that she guided me correctly.
More than 1 year ago
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Very helpful and took her time to test my allergies
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I thought Dr Marcu was very personable and went in great detail to explain my concerns.
Source: Zocdoc
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Dr. Marcu is one of my favorite people. Although the wait was a bit long (not THAT long, but I guess I can get impatient sometimes), seeing Dr. Marcu changed everything. She's super sweet, takes her time with you, and explainseverything thoroughly so you're fully-educated. I highly recommend Dr. Marcu!
Source: Zocdoc
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