Summary

Dr. Jennifer Marshak is an obstetrician and gynecologist who earned her medical degree from Duke University School of Medicine and completed her residency at North Shore University Hospital. With three decades of experience in women's healthcare, she has built extensive expertise in helping patients through all stages of reproductive health. Dr. Marshak speaks both English and Spanish, making her care accessible to a diverse patient community.

Dr. Marshak practices at multiple locations throughout Suffolk County, New York, including Port Jefferson, Patchogue, Smithtown, Wading River, and Centereach. She maintains hospital privileges at Saint Charles Hospital, Mather Hospital, NYU Langone Hospital Suffolk, and Saint Catherine of Siena Medical Center. Her clinical expertise includes treating abnormal uterine bleeding and managing ovarian cysts and noncancerous ovarian growths. She performs pelvic ultrasounds and specialized imaging studies to provide comprehensive diagnostic care. Patients rate Dr. Marshak 3.4 out of 5 stars on average.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.4
  • 30 years of experience
  • speaks English, Spanish
  • North Shore University Hospital
  • 15 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 1 board certification
  • 4 hospital affiliations
  • 12 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Flexible scheduling

Office Locations

Dr. Jennifer Dale Marshak has 12 locations

Suffolk Obstetrics And Gynecology

118 N Country RdPort Jefferson, NY 11777
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
Sat9:00 am - 12:00 pm
SunClosed

Ny Health Suffolk Obstetrics And Gynecology

285 Sills RdPatchogue, NY 11772
Mon9:00 am - 8:00 pm
Tue9:00 am - 8:00 pm
Wed9:00 am - 8:00 pm
Thu9:00 am - 8:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Dr. Jennifer Dale Marshak

50 New York Ave Ste 208Smithtown, NY 11787

Dr. Jennifer Dale Marshak

50 Route 111 Ste 208Smithtown, NY 11787
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 8:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Dr. Jennifer Dale Marshak

222 E Main StSmithtown, NY 11787

Dr. Jennifer Dale Marshak

6144 Route 25A Bldg AWading River, NY 11792

Dr. Jennifer Dale Marshak

1759 Middle Country RdCentereach, NY 11720

Long Island Community Hospital

101 Hospital RdPatchogue, NY 11772

Saint Charles Hospital

200 Belle Terre RdPort Jefferson, NY 11777

Mather Hospital

75 N Country RdPort Jefferson, NY 11777

Ny Health Suffolk Obstetrics And Gynecology

6277 Route 25aWading River, NY 11792
Mon9:00 am - 8:00 pm
Tue9:00 am - 8:00 pm
Wed9:00 am - 8:00 pm
Thu9:00 am - 8:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Dr. Jennifer Dale Marshak

285 Sills RdEast Patchogue, NY 11772

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Dr. Jennifer Dale Marshak, MD
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Dr. Jennifer Dale Marshak, MDDr. Natasha Bernick Santos PineroDr. Sonata Faith Cooper, MDBertha Isabel Bogdan, DNP, WHNP-BC, APRN
Obstetrics & GynecologyObstetrics & GynecologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.4 
30 Years of Experience 8 Years of Experience 14 Years of Experience 15 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English, Spanish Speaks English, Spanish Speaks English Speaks English, Spanish
Port Jefferson , NYNew York , NYWyckoff , NJWestport , CT
Med School: Duke University School Of Medicine Med School: Ponce Health Sciences University School Of Medicine Med School: George Washington University School Of Medicine & Health Sciences Med School: Columbia University
Current Profile
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Insurance Plans Accepted by Dr. Jennifer Dale Marshak

  • Accepts Medicare

Medical Specialties

Dr. Jennifer Dale Marshak has the following specialty

Specialty Expertise

Dr. Jennifer Dale Marshak has the following 11 areas of expertise

  • Birth Control
  • C-section
  • Child Birth
  • Hot Flashes
  • Infertility
  • Menopause
  • Menstrual Pain
  • Pap Smear
  • Pelvic Exam
  • Pregnancy
  • Women's Health

Certifications, License, & Education

30 Years Experience

Dr. Jennifer Dale Marshak holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2026.

Education & Training

Residency

Completed their residency at North Shore University Hospital.

Medical School

Graduated from Duke University School Of Medicine in 1996.

NPI Number

Dr. Marshak's NPI number is 1750365912.

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Frequently Asked Questions

Where is Dr. Jennifer Marshak's office located?
Dr. Jennifer Marshak's office is located at 118 N Country Rd, Port Jefferson, NY, 11777.
Is Dr. Jennifer Marshak accepting new patients?
Dr. Jennifer Marshak is accepting new patients on Vitals. View Dr. Jennifer Marshak's profile on Vitals to make an appointment.
What languages does Dr. Jennifer Marshak speak?
Dr. Jennifer Marshak speaks English and Spanish.
Which hospitals is Dr. Jennifer Marshak affiliated with?
Dr. Jennifer Marshak is affiliated with Saint Charles Hospital, Mather Hospital, Nyu Langone Hospital Suffolk, and Saint Catherine Of Siena Medical Center.
Does Dr. Jennifer Marshak accept virtual/telehealth appointments?
Dr. Jennifer Marshak has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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