Experienced in Long Island matrimonial & family law

Andrew D. Blum has been practicing matrimonial law for more than 30 years and has extensive negotiation and trial experience in complex equitable distribution and custody cases. He has served on the Nassau County Alternate Dispute Resolution Matrimonial Panel and has also been an instructor at the Hofstra School of Law Trial Techniques Program. Frequently retained as trial counsel by other attorneys for their most difficult cases, Mr. Blum has built an exceptional reputation that is well deserved. A powerful presence in the courtroom, Mr. Blum has earned his status as one of the most highly respected trial lawyers in the field. Mr. Blum has been AV Preeminent® rated by Martindale-Hubbell® in each of the past 12 years. He is also rated 10.0 “Superb” by Avvo; and has been published and selected for inclusion in Super Lawyers, the New York Metro Edition, which is an honor awarded to less than 5 percent of attorneys in the state. Mr. Blum is a member of the prestigious New York Family Law American Inn of Court, as well as the Nassau County Bar Association, Suffolk County Bar Association, and the New York State Bar Association.

Contact our matrimonial and family law firm in Long Island to discuss your case

If you or someone you know needs a matrimonial and family law attorney in Nassau County and Suffolk County, Tabat, Cohen, Blum, Yovino, & Diesa, PC can help. From our offices in Garden City and Hauppauge, our attorneys fight for your rights and the best interests of your children. Call our Long Island divorce lawyers in Garden City or in Hauppauge, or contact us online to schedule your initial consultation.

Honors & Awards:

  • Top Lawyer in the NY Metro Area; Super Lawyers (2014-2019)
  • Ranked in NY Top 100 Lawyers (Matrimonial & Family Law); The National Advocates (2014-2019)
  • Lead Counsel Rated (Divorce & Family Law); Thompson Reuters (2014 – 2019)
  • Top 10 Attorney Award; The National Academy of Family Law Attorneys (Feb. 2014)
  • Long Island’s Top Rated Lawyers; ALM Legal Leaders (2014 – 2017)
  • 10.0 “Superb” Rating; Avvo (2013-2020)
  • Client’s Choice Award (Divorce & Family Law); Avvo (2013- 2020)
  • AV Preeminent Peer Review Rated (5 out of 5) by Martindale-Hubbell (2002-2019)
  • Top Divorce & Family Law Attorney; Avvo (2013-2020)
  • Top Legal Eagle, Long Island Pulse (2012-2016)


  • New York, 1982
  • U.S. District Court for the Eastern District of New York, 1987
  • U.S. District Court for the Southern District of New York, 1987


  • J.D., Hofstra University School of Law, 1981
  • B.A., Union College,  1978

Professional Associations:

  • New York Family Law Inns of Court, Member
  • Nassau County Bar Association, Member, Matrimonial and Family Law Committee
  • Suffolk County Bar Association, Member
  • New York State Bar Association, Member

Choose a location to review

Tabat, Cohen, Blum, Yovino & Diesa, PC locations:

Ratings & Reviews

  • google

    How often can you use the word exceptional when assessing any professional you have worked with? It is word that describes Anthony Yovino of the law firm of Tabat, Cohen, Blum and Yovino. Tony has a complete mastery of the current matrimo...
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    — KS Koz

  • google

    It’s with GREAT pleasure that I write this review for Tabat, Cohen, Blum & Yovino Law Firm. The first day I met with Mr. Cohen regarding my divorce I was scared, timid and afraid of the unknown. Mr. Cohen was by my side the whole way throug...
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    — Kristi Vultaggio

  • google

    I am extremely happy with the results of my divorce. Robert Cohen listened carefully and compassionately to me and together we formulated and effectively strategy for negotiation and ultimately for trial. With the professional staff, Denise...
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    — Michael Vultaggio

  • google

    Going through a divorce is never going to be fun. But, from the first time I met with Gary Tabat he set my mind at ease. Gary is a brilliant, caring and thoughtful person. He knew how to listen and refocus my energies in a positive dire...
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    — J Carey

  • dexknows

    In what I consider the worst time of my life, Gary helped me tremendously. He is smart, kind, and fair in his bills. Like the other reviewer, he always returned my phone calls. My divorce was very prolonged, but it was mostly because Gary ...
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