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Dr. Jennifer Marshak, MD

Port Jefferson, NY

53 Years of Experience

Accepting patients
Online booking

    Who is Dr. Marshak, Obstetrician / Gynecologist (OBGYN) in Port Jefferson, NY?

    Dr. Jennifer Marshak, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Port Jefferson, NY with 2 additional practice locations. She has been practicing for over 53 years and is board certified. Dr. Marshak completed her residency at North Shore Univ Hosp, Obstetrics And Gynecology. Dr. Marshak is fluent in English and Spanish, and is currently seeing new patients. Dr. Marshak’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marshak’s office at (631) 473-7171.

    Where did Dr. Marshak go to medical school and complete their residency?

    • Residency: North Shore Univ Hosp, Obstetrics And Gynecology | North Shore University Hospital

    What languages does Dr. Marshak speak?

    Dr. Marshak and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does Dr. Marshak treat?

    As a Obstetrician / Gynecologist (OBGYN), Dr. Marshak diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Marshak. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • Human Papillomavirus (HPV) Test
    • HPV screening
    • Papillomavirus test
    • Cervical cancer screening

    ICD-10 Codes:

    • Z1151: Encounter for screening for human papillomavirus (HPV)

    Also known as:

    • Routine Gynecological Exam (Normal Findings)
    • Women's Health Checkup
    • Women's checkup, all clear
    • Pelvic exam, normal results
    • OB/GYN visit, no issues

    ICD-10 Codes:

    • Z01419: Encounter for gynecological examination (general) (routine) without abnormal findings

    Also known as:

    • Cervical Cancer Screening
    • HPV and Pap Test Results
    • Pap Test
    • HPV Test
    • Cervical Smear
    • Early Cervical Cancer Detection

    ICD-10 Codes:

    • Z124: Encounter for screening for malignant neoplasm of cervix

    Also known as:

    • Prenatal Care for Normal Pregnancy
    • Prenatal Care
    • Routine Pregnancy Check-ups
    • Maternity Care
    • Normal Pregnancy Supervision

    ICD-10 Codes:

    • Z3490: Encounter for supervision of normal pregnancy, unspecified, unspecified trimester

    Also known as:

    • Heavy and Frequent Periods (Regular Cycle)
    • Irregular Periods
    • Secondary Amenorrhea
    • Menstruation
    • Menorrhagia
    • Polymenorrhea
    • Abnormal Uterine Bleeding
    • Oligomenorrhea
    • Abnormal Menstrual Cycle
    • Absent Periods (Secondary)
    • Stopped Periods
    • No Periods After Starting

    ICD-10 Codes:

    • N920: Excessive and frequent menstruation with regular cycle
    • N926: Irregular menstruation, unspecified
    • N911: Secondary amenorrhea

    Also known as:

    • Birth Control Pill Check-up
    • Birth Control
    • Oral Contraceptive Follow-up
    • Pill Prescription Check
    • Contraceptive Pill Management

    ICD-10 Codes:

    • Z3041: Encounter for surveillance of contraceptive pills

    Also known as:

    • Sexually Transmitted Infection (STI) Screening
    • Health Screening
    • STD screening
    • Sexual health check
    • Venereal disease test

    ICD-10 Codes:

    • Z113: Encounter for screening for infections with a predominantly sexual mode of transmission

    Also known as:

    • Postmenopausal Vaginitis
    • Menopause
    • Vaginitis
    • Atrophic Vaginitis
    • Vaginal Dryness in Menopause
    • Genitourinary Syndrome of Menopause (GSM)

    ICD-10 Codes:

    • N952: Postmenopausal atrophic vaginitis

    Also known as:

    • Unclear Mammogram
    • Mammography
    • Mammograms
    • Inconclusive breast screening
    • Mammogram needs further testing
    • Uncertain mammogram result

    ICD-10 Codes:

    • R922: Inconclusive mammogram

    Also known as:

    • Uterine Polyp
    • Uterine Disease
    • Endometrial Polyp
    • Womb Polyp

    ICD-10 Codes:

    • N840: Polyp of corpus uteri

    Also known as:

    • Routine Postpartum Check-up
    • Postpartum Care
    • After-birth Follow-up
    • Postnatal Care Visit
    • Maternal Postpartum Exam

    ICD-10 Codes:

    • Z392: Encounter for routine postpartum follow-up

    Also known as:

    • Acute Vaginal Inflammation
    • Vaginitis
    • Acute Vaginitis
    • Sudden Vaginal Infection
    • Vaginal Irritation

    ICD-10 Codes:

    • N760: Acute vaginitis

    Also known as:

    • Pelvic and Perineal Pain
    • Pelvic Pain
    • Perineum pain
    • Pelvic floor pain
    • Pain in groin area

    ICD-10 Codes:

    • R102: Pelvic and perineal pain

    Also known as:

    • Menopause
    • Climacteric
    • The Change of Life
    • Postmenopause

    ICD-10 Codes:

    • N951: Menopausal and female climacteric states

    Also known as:

    • Pregnancy Test (Result Unknown)
    • Pregnancy Test
    • Inconclusive Pregnancy Test
    • Unclear Pregnancy Test Result
    • Pending Pregnancy Test

    ICD-10 Codes:

    • Z3200: Encounter for pregnancy test, result unknown

    Also known as:

    • Period Pain
    • Menstrual Cramps
    • Dysmenorrhea

    ICD-10 Codes:

    • N946: Dysmenorrhea, unspecified

    Also known as:

    • Uterine Fibroids
    • Leiomyoma
    • Fibromyoma
    • Myoma
    • Uterine growth

    ICD-10 Codes:

    • D259: Leiomyoma of uterus, unspecified

    Which procedures does Dr. Marshak perform as a Obstetrician / Gynecologist (OBGYN)?

    As a Obstetrician / Gynecologist (OBGYN), procedures performed by an Dr. Jennifer Marshak may include:

    For detailed information, please contact Dr. Marshak's office.

    Does Dr. Marshak accept my insurance?

    Dr. Marshak accepts most major insurance plans. Important: Please call our office at (631) 473-7171 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Marshak accept in Port Jefferson, NY?

    Dr. Marshak in Port Jefferson, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Benefit Administrative Systems LLC

    • Centene

    • CVS Health (formerly Aetna)

    • EmblemHealth

    • Express Scripts

    • Medicare

    • National Benefit Fund

    • Service Employees International Union (SEIU)

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Marshak's office located?

    Dr. Jennifer Marshak's Primary Practice

    118 N Country Rd

    Port Jefferson, NY 11777

    (631) 473-7171

    Get Directions

    Dr. Jennifer Marshak's Practice 2

    2800 Marcus Ave

    New Hyde Park, NY 11042

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    Dr. Jennifer Marshak's Practice 3

    6144 Route 25A

    Wading River, NY 11792

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    Would you like to schedule an appointment with Dr. Jennifer Marshak?

    Dr. Marshak has appointments available at her Port Jefferson, NY office, as well as 2 other locations. Please select a location, date, and time below.

    What is Dr. Marshak's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Marshak's National Provider Identifier (NPI) number is 1750365912.

    What common questions do patients ask about Dr. Marshak?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Marshak

    What is Dr. Jennifer Marshak's specialty?

    Dr. Marshak is a Obstetrician / Gynecologist (OBGYN) near Port Jefferson, NY. An obstetrician/gynecologist has specialized knowledge, skills, and expertise in the medical and surgical management of the female reproductive system and related disorders. This physician acts as a consultant to other healthcare providers while also serving as a primary care physician for women, addressing their unique health needs throughout various stages of life. Contact Dr. Marshak to book an appointment today.

    Is this Dr. Jennifer Marshak affiliated with a ranked Castle Connolly Top Hospital?

    No, Marshak is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: St. Charles Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Obstetrician / Gynecologist (OBGYN)?

    Explore Obstetrician / Gynecologist (OBGYN) with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Jennifer Marshak accepting new patients in Port Jefferson, NY?

    Yes, Dr. Jennifer Marshak is accepting new patients at this time.

    Does Dr. Jennifer Marshak offer online booking?

    Yes, you can use online booking to schedule an appointment with Dr. Marshak, or call (631) 473-7171 for more information.

    How can I make an appointment with Jennifer Marshak?

    Please contact Dr. Marshak's office at (631) 473-7171 for information regarding telehealth appointment availability or for scheduling assistance.

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