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Dr. Jennifer Marshak, MD

Dr. Jennifer Marshak, MD

Age 54 Obstetrics & Gynecology F
(14) 14 reviews

Telehealth available

Accepting New Patients


Dr. Jennifer Marshak, MD is a obstetrics & gynecology specialist in Port Jefferson, NY. She currently practices at Suffolk OB/GYN LLP, Port Jefferson, NY and is affiliated with Long Island Community Hospital. She accepts multiple insurance plans.


  • DUKE UNIVERSITY, Medical School — 1996

Insurance Accepted

  • Aetna
  • Anthem
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health
  • Harvard Pilgrim Health Care
  • Humana
  • MultiPlan

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Sep 30, 2017
Doctor M. has been a wonderful gyno for me for three years after my gyno retired. Gentle caring and complete in knowledge. My sister also goes to her and she found in one visit an early stage of cancer. she actually saved her life. One visit since she was new to my sister also. I would put my trust in Jennifer always.
Judith Sutton-Fagan in Bayport, NY — Sep 30, 2017
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Frequently Asked Questions

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Click here to compare with other Obstetrics & Gynecology Specialists.

A list of accepted insurance providers is available on the Healthgrades insurance check. It is always a good idea to verify your insurance when making an appointment.

Dr. Marshak frequently treats the following conditions: Menstrual Disorders (incl. Dysmenorrhea), Osteoporosis, and Osteopenia. See more on Sharecare.

Dr. Jennifer Marshak, MD is affiliated with Long Island Community Hospital and Mather Hospital.

Dr. Marshak has over 26 years of healthcare experience.

There is a star rating of 2.5/5 for Dr. Jennifer Marshak, MD. Patients say that the provider explained conditions well and the provider listened & answered questions well. See all patient feedback on Sharecare.

Hospital Affiliations

  • Long Island Community Hospital
  • Mather Hospital
  • Saint Charles Hospital
  • Stony Brook University Hospital


  1. Suffolk OB/GYN LLP, Port Jefferson, NY

    1. 1
      Suffolk OB/GYN
      118 N Country Rd, Port Jefferson, NY 11777 (631) 473-7171
  1. Practice

    1. 2
      Mid Island Medical PC
      285 Sills Rd, East Patchogue, NY 11772 (631) 475-4404
    2. 3
      Health Now
      6144 Route 25a, Wading River, NY 11792 (631) 929-3222
    3. 4
      50 Route 111 Ste 208, Smithtown, NY 11787 (631) 361-7171
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(631) 473-7171