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Dr. Deborah Blenner, MD

Dr. Deborah Blenner, MD

Age 50 Internal Medicine F

Telehealth available

Accepting New Patients


Dr. Deborah Blenner, MD is a internal medicine specialist in Smithtown, NY. Dr. Blenner completed a residency at Advent Hosp. She currently practices at Siena Proactive Internal Medicine and is affiliated with Long Island Jewish Medical Center. She accepts multiple insurance plans. Dr. Blenner is board certified in Internal Medicine.


  1. Siena Proactive Internal Medicine

    1. 1
      Siena Proactive Internal Medicine
      45 Terry Rd Ste B, Smithtown, NY 11787 (631) 656-8171


Spanish, English


  • University Of North Carolina At Chapel Hill, Other Education — 2007
  • Advent Hosp, Residency Hospital — 2005
  • East Carolina Sch Med, Residency Hospital — 2005
  • St George'S University School Of Med St George'S Grenada, Medical School — 2001

Insurance Accepted

  • Aetna
  • Affinity Health Plan
  • Anthem
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Louisiana
  • Blue Cross Blue Shield of Massachusetts
  • Capital District Physician's Health Plan (CDPHP)
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • Fidelis Care
  • First Health (Coventry Health Care)
  • Group Health Incorporated (GHI)
  • Medicaid
  • MultiPlan
  • Oxford Health Plans
  • Quality Health Plans
  • UnitedHealthCare

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I am now down 26 pounds! 12/7/2018. Her program is amazing. End of story.
Sarah in Saint James, NY — Dec 08, 2018
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Dr. Deborah Blenner, MD
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Hospital Affiliations

  • Long Island Jewish Medical Center
  • North Shore University Hospital
  • Saint Catherine of Siena Medical Center
  • Saint Francis Hospital Roslyn