AllergyNest

Marc J. Sicklick, MD

Listed as an allergist, with 2 practice addresses in Brooklyn, New York.

Practice locations 2

  • Ahava Medical and Rehabilitation Center, LLC

    16 Sumner Pl
    Brooklyn, NY 11206

  • Ahava Medical and Rehabilitation Center, LLC

    2555 Nostrand Ave
    Brooklyn, NY 11210

From the records

Specialty
Allergist
Records
Medicare records: allergy/immunology (October 2026).
Medicare
Accepts the Medicare-approved amount as payment in full (Medicare assignment), according to CMS’s file. This applies to Original Medicare; Medicare Advantage plans have their own networks. What assignment means
Medical school
Albert Einstein College of Medicine of Yeshiva University, graduated 1974 (Medicare records)
Registry record
Last updated July 2007
NPI
1538163423 (national provider registry)

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From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors