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Dr. Karen O'brien, MD
South Weymouth, MA
Accepting patients
Who is Dr. O'brien, Maternal & Fetal Medicine Specialist in South Weymouth, MA?
Dr. Karen O'brien, MD is a Maternal & Fetal Medicine Specialist, who primarily practices in South Weymouth, MA. She is board certified. Dr. O'brien completed her residency at Univ Of Pa Hlth System, Obstetrics And Gynecology and is currently affiliated with South Shore Hospital. Dr. O'brien is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. O'brien’s office.
Where did Dr. O'brien go to medical school and complete their residency?
Residency: Univ Of Pa Hlth System, Obstetrics And Gynecology
Medical School: Georgetown Univ Sch of Med, Washington Dc
Is Dr. O'brien board certified as a Maternal & Fetal Medicine Specialist?
Yes, Dr. Karen O'brien, MD is board certified by the American Board of Obstetrics and Gynecology
What languages does Dr. O'brien speak?
Dr. O'brien and their clinical team can communicate with patients in the following languages:
English
What conditions does a Maternal & Fetal Medicine Specialist like Dr. O'brien typically treat?
As a Maternal & Fetal Medicine Specialist, Dr. O'brien 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. O'brien. 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.
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
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:
- Nuchal Translucency Screening
- NT scan
- First trimester screening ultrasound
- Screening for Down syndrome
ICD-10 Codes:
- Z3682: Encounter for antenatal screening for nuchal translucency
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
What procedures does a Maternal & Fetal Medicine Specialist like Dr. O'brien typically perform?
As a Maternal & Fetal Medicine Specialist, procedures performed by Dr. Karen O'brien may include:
- Abortion Consultation
- Abortion Follow Up
- Abortion (Medical)
- Abortion (Surgical)
- Annual Pap Smear / GYN Exam
- Antepartum Care
- Anterior Repair
- Artificial Insemination / Intra-Uterine
Please contact Dr. O'brien's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. O'brien accept my insurance?
Dr. O'brien accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O'brien accept in South Weymouth, MA?
Dr. O'brien in South Weymouth, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
CVS Health (formerly Aetna)
Network Health
Point32Health
Unknown
View All Insurances
Where is Dr. O'brien's office located?
What is Dr. O'brien's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. O'brien's National Provider Identifier (NPI) number is 1780623215.
What common questions do patients ask about Dr. O'brien?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'brien
What is Dr. Karen O'brien's specialty?
Dr. O'brien is a Maternal & Fetal Medicine Specialist near South Weymouth, MA.
What does a Maternal & Fetal Medicine Specialist do?
An obstetrician/gynecologist who specializes in the care of patients with pregnancy complications provides consultation and management for those experiencing obstetrical, medical, and surgical issues related to pregnancy. This specialist has advanced knowledge of the effects of these complications on both the mother and the fetus, as well as expertise in the latest diagnostic and treatment modalities for managing complicated pregnancies.
Is this Dr. Karen O'brien affiliated with a ranked Castle Connolly Top Hospital?
No, O'brien is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: South Shore 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
When to see a Maternal & Fetal Medicine Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Maternal & Fetal Medicine Specialist. 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 Karen O'brien accepting new patients in South Weymouth, MA?
Yes, Dr. Karen O'brien is accepting new patients at this time.
Does Dr. Karen O'brien offer online booking?
Please contact Dr. O'brien's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Karen O'brien?
Please contact Dr. O'brien's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Karen O'brien have?
Dr. Karen O'brien is certified by the American Board of Obstetrics and Gynecology.
Other Maternal & Fetal Medicine Specialist Near South Weymouth, MA
GG
Maternal & Fetal Medicine Specialist
Dr. George Graham, MD is a Maternal & Fetal Medicine Specialist, who primarily practices in Kingston, MA with 2 additional practice locations. He has been practicing for over 21 years and is board certified.
Kingston, MA
BO
Maternal & Fetal Medicine Specialist
Dr. Barbara O'brien, MD is a Maternal & Fetal Medicine Specialist, who primarily practices in Weymouth, MA with 2 additional practice locations. She has been practicing for over 21 years and is board certified.
Weymouth, MA

Maternal & Fetal Medicine Specialist
Dr. Achilles Athanassiou, MD is a Maternal & Fetal Medicine Specialist, who primarily practices in Weymouth, MA with 2 additional practice locations. He is board certified.
Weymouth, MA
Connect with DR. O'brien
South Shore Hospital
55 Fogg Rd
South Weymouth, MA 02190