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Dr. Cathlyn Sullivan, DO

Portland, ME

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Sullivan, Obstetrician / Gynecologist (OBGYN) in Portland, ME?

    Dr. Cathlyn Sullivan, DO is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Portland, ME with 1 additional practice location. Dr. Sullivan is fluent in English, and is currently seeing new patients. Dr. Sullivan’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sullivan’s office at (207) 771-5549.

    What languages does Dr. Sullivan speak?

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

    • English

    What conditions does an Obstetrician / Gynecologist (OBGYN) like Dr. Sullivan typically treat?

    As an Obstetrician / Gynecologist (OBGYN), Dr. Sullivan 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. Sullivan. 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. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Prenatal Screening for Uncertain Due Date
    • Prenatal Screening for Birth Defects
    • Antenatal Dating Scan
    • Pregnancy Dating Ultrasound
    • Due Date Confirmation Scan
    • Antenatal Malformation Screening
    • Fetal Anomaly Scan
    • Birth Defect Screening in Pregnancy

    ICD-10 Codes:

    • Z3687: Encounter for antenatal screening for uncertain dates
    • Z363: Encounter for antenatal screening for malformations

    Also known as:

    • Obesity during Mid-Pregnancy
    • Obesity during pregnancy
    • Health Problems in Pregnancy
    • Obesity
    • Excess weight in second trimester
    • Mid-pregnancy obesity complications
    • High BMI during second trimester
    • Maternal obesity
    • Obesity in pregnancy
    • Weight issues in pregnancy

    ICD-10 Codes:

    • O99212: Obesity complicating pregnancy, second trimester
    • O99213: Obesity complicating pregnancy, third trimester

    Also known as:

    • Poor Fetal Growth
    • Health Problems in Pregnancy
    • Fetal Growth Restriction
    • Small for Gestational Age
    • Intrauterine Growth Restriction (IUGR)

    ICD-10 Codes:

    • O365930: Maternal care for other known or suspected poor fetal growth, third trimester, not applicable or unspecified

    Also known as:

    • High Blood Pressure During Pregnancy
    • High Blood Pressure in Pregnancy
    • Chronic hypertension in pregnancy
    • Essential hypertension complicating pregnancy
    • Hypertension during gestation
    • Pre-existing high blood pressure in pregnancy

    ICD-10 Codes:

    • O10013: Pre-existing essential hypertension complicating pregnancy, third trimester

    Also known as:

    • Previous C-section Scar During Pregnancy
    • Cesarean Delivery
    • Prior Cesarean Section
    • Uterine Scar from C-section
    • C-section History in Pregnancy

    ICD-10 Codes:

    • O34219: Maternal care for unspecified type scar from previous cesarean delivery

    Also known as:

    • Pregnancy Care for Older Mothers with Previous Births
    • Health Problems in Pregnancy
    • Advanced Maternal Age Multiple Pregnancies
    • Elderly Multigravida Care
    • Older Mother with Prior Births Pregnancy Monitoring

    ICD-10 Codes:

    • O09523: Supervision of elderly multigravida, third trimester

    Also known as:

    • Pregnancy Care for Older Mothers with Previous Pregnancies
    • Health Problems in Pregnancy
    • Pregnancy monitoring for older mothers
    • Managing pregnancy for advanced maternal age (multiple births)
    • Geriatric multigravida care
    • Older mom with previous pregnancies

    ICD-10 Codes:

    • O09522: Supervision of elderly multigravida, second trimester

    What procedures does an Obstetrician / Gynecologist (OBGYN) like Dr. Sullivan typically perform?

    As an Obstetrician / Gynecologist (OBGYN), Dr. Sullivan performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Sullivan. 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. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Postpartum Check-up
    • Postpartum Care
    • After Birth Care
    • Maternity Follow-up
    • Postnatal Care

    CPT Codes:

    • 59430: Postpartum care only (separate procedure)

    Also known as:

    • Fetal Non-Stress Test
    • Nonstress Test
    • Nonstress Test (NST)
    • Fetal Heart Rate Monitoring
    • NST for Pregnancy
    • Baby Heartbeat Test

    CPT Codes:

    • 59025: Fetal non-stress test

    Also known as:

    • Uterine Catheterization for Imaging
    • Saline Infusion Sonohysterography Prep
    • Hysterosalpingography Prep
    • Uterine Contrast Injection

    CPT Codes:

    • 58340: Catheterization and introduction of saline or contrast material for saline infusion sonohysterography (SIS) or hysterosalpingography

    Does Dr. Sullivan accept my insurance?

    Dr. Sullivan accepts most major insurance plans. Important: Please call our office at (207) 771-5549 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Sullivan accept in Portland, ME?

    Dr. Sullivan in Portland, ME accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cigna Group

    • Community Health Options

    • CVS Health (formerly Aetna)

    • Medicaid

    • Medicare

    • Point32Health

    • The Health Plan of West Virginia

    • UMR Administered Payer

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Sullivan's office located?

    Dr. Cathlyn Sullivan's Primary Practice

    887 Congress St Ste 200

    Portland, ME 04102

    (207) 771-5549

    Get Directions

    Dr. Cathlyn Sullivan's Practice 2

    300 Main St

    Lewiston, ME 04240

    Get Directions

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

    Dr. Sullivan's National Provider Identifier (NPI) number is 1821525312.

    What common questions do patients ask about Dr. Sullivan?

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

    What is Dr. Cathlyn Sullivan's specialty?

    Dr. Sullivan is a Obstetrician / Gynecologist (OBGYN) near Portland, ME.

    What does an Obstetrician / Gynecologist (OBGYN) do?

    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.

    Is this Dr. Cathlyn Sullivan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Sullivan is affiliated with Mainehealth Maine Medical Center Portland, Northern Light Eastern Maine Medical Center, Northern Light Mercy Hospital, Mid Coast Hospital, Central Maine Medical Center, St. Joseph Healthcare - Bangor, Me which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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

    When to see an Obstetrician / Gynecologist (OBGYN)?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Obstetrician / Gynecologist (OBGYN). Explore 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 Cathlyn Sullivan accepting new patients in Portland, ME?

    Yes, Dr. Cathlyn Sullivan is accepting new patients at this time.

    Does Dr. Cathlyn Sullivan offer online booking?

    Please contact Dr. Sullivan's office at (207) 771-5549 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Cathlyn Sullivan?

    Please contact Dr. Sullivan's office at (207) 771-5549 for information regarding telehealth appointment availability or for scheduling assistance.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>