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Dr. Steven Delmaestro, MD

Dr. Steven Delmaestro, MD

Age 64 Internal Medicine M

Telehealth available

Accepting New Patients


Dr. Steven Delmaestro, MD is a internal medicine specialist in Somerset, NJ. Dr. Delmaestro completed a residency at Muhlenberg Reg Med Center. He currently practices at Franklin Medical Group and is affiliated with Robert Wood Johnson University Hospital. He accepts multiple insurance plans. Dr. Delmaestro is board certified in Internal Medicine.


New Patient? (973) 814-9550
  1. Franklin Medical Group

    1. 1
      Somerset Office
      454 Elizabeth Ave Ste 210, Somerset, NJ 08873 Call
      Existing Patients: (908) 685-2526
      New Patients:
      (973) 814-9550


  • Muhlenberg Reg Med Center, Residency Hospital
  • St Michael'S Med Center, Residency Hospital

Insurance Accepted

  • Aetna
  • Amerihealth
  • Anthem
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • Horizon Blue Cross Blue Shield of New Jersey
  • MultiPlan
  • QualCare

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Dr. Delmaestro has been seeing my father and I for a number of years my father has cerosis of liver and dementia. Dr always puts a smile on my dads face and hears and addresses every concern , so much so I feel like he is apart of the family. His staff is so loving and helpful we feel blessed to have them. -Will Lopez Sr & Jr.
WILLIAM LOPEZ — Jun 27, 2020
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Photo: Dr. Steven Delmaestro, MD
Dr. Steven Delmaestro, MD
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Hospital Affiliations

  • Robert Wood Johnson University Hospital
  • Hackensack Meridian Health JFK Medical Center
  • Robert Wood Johnson University Hospital Somerset
  • Saint Peter's University Hospital
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