Contact Us

Boyan Hadjiev, MD
30 East 40th Street
(Btwn Madison and Park)
Suite 1204
New York, NY 10016

Phone: 212-679-1200
Fax: 212-679-3494

* We Do Not Accept Walk In Patients

Office Hours:

Monday –  9:00 am to 7:00 pm
Tuesday – 9:00 am to 4:30 pm
Wednesday – 10:00 am to 5:00 pm
Thursday – 8:00 am to 5:00 pm
Friday – 8:00 am to 3:30pm

At Advanced Allergy, Asthma & Sinusitis P.C., we value your feedback and questions.

Please contact us and let us know how we can assist you.

Note: Do not use this form for any questions related to patient care.


Serving all of New York City and the Tri State Area including Zip Codes: Chelsea and Clinton: 10001, 10011, 10018, 10019, 10020, 10036 | Gramercy Park and Murray Hill: 10010, 10016, 10017, 10022 | Greenwich Village and Soho: 10012, 10013, 10014 | Lower Manhattan: 10004, 10005, 10006, 10007, 10038, 10280 | Lower East Side: 10002, 10003, 10009 | Upper East Side: 10021, 10028, 10044, 10128 | Upper West Side: 10023, 10024, 10025