Robert Giacobbe, DO

Internal Medicine

Practice Information:
Mather Primary Care at Port Jefferson

125 Oakland Avenue
Suite 204
Port Jefferson, NY 11777

Mather Primary Care is a practice of Harbor View Medical Services, PC, which is wholly owned by John T. Mather Memorial Hospital.

Phone: 631-686-2524
Fax: 631-686-2526

Board Certified: Yes

Medical Education: Residency - Winthrop University Hospital

Medical Societies/Honors: American Board of Internal Medicine


Dr. Robert Giacobbe accepts or is participating with all payers listed below, except as indicated. This list is based on the most current information provided by each health insurance provider.

You may want to contact your health insurance provider or refer to your health insurance provider’s member services section of their website for further information. If you do not see your plan listed or you have any questions, please call 631-686-2585.




American Postal Workers Union (APWU)

Blue Cross Blue Shield


ChoiceCare Network



Emblem Health – GHI

Emblem Health – HIP - Participating with all plans, except:

  • HIP Child Health Plus
  • HIP Family Health Plus
  • HIP Medicaid
  • HIP Select Care
  • HIP Select Care Exchange Group
  • HIP Select Care Exchange Individual

Emblem Health - Vytra

Empire Blue Cross Blue Shield – See Blue Cross Blue Shield above

Fidelis - Participating with the following plan(s) only:

  • Fidelis Essential (BHP)

Government Employees Health Association (GEHA)

Healthfirst - Participating with the following plans only:

  • Managed Medicaid
  • CHP
  • HARP

Health Plus


IBEW Local 3 (MagnaCare)

Island Group Administration

Local 1102 (MagnaCare)

Local 1199 (Aetna)

Local 1298 (MagnaCare)




Meritain Health

MVP HealthCare

National Association of Letter Carriers (NALC)

National Preferred Provider Network (NPPN)


Oxford - Participating with all plans, except:

  • Oxford Medicare Advantage

PHCS Multiplan Network

Quality Health Plan

United Medical Resources (UMR)


United HealthCare - Participating with all plans, except:

  • United HealthCare Medicare HMO
  • United HealthCare Medicare PPO

United HealthCare Community Plan

US Family Health Plan

Visiting Nurse Service of New York (VNSNY) - Participating with all plans, except:

  • VNSNY Select Health

Workers Compensation