
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Brennan, Neonatal-Perinatal Medicine Specialist in New York, NY?
Kathleen Brennan, MD, is an Assistant Professor of Pediatrics in the Division of Neonatology and the Associate Program Director for the Neonatal-Perinatal Fellowship Program at Columbia University Medical Center (CUMC). After serving as Chief Resident for the pediatrics program at CUMC, Dr. Brennan continued at Columbia with subspecialty training in neonatology. During her neonatal-perinatal fellowship, she honed expertise in evaluating and treating a variety of neonates with common and rare pathologies, including those requiring cardiac surgery, ECMO (extracorporeal membrane oxygenation), high frequency ventilation, and therapeutic hypothermia for hypoxic ischemic encephalopathy. Dr. Brennan?s current research focuses on how doctors communicate with families, both in prenatal consultations and in the Neonatal Intensive Care Unit (NICU). She works closely with these families and their infants, both in the NICU/Neonatal Cardiac Intensive Care Unit and following their discharge in the Neonatal Followup Clinic. Together with her neonatology colleagues at CUMC, Dr. Brennan is passionate about giving every newborn baby the very best chance at a full and healthy life.
What languages does Dr. Brennan speak?
Dr. Brennan and their clinical team can communicate with patients in the following languages:
English
What conditions does a Neonatal-Perinatal Medicine Specialist like Dr. Brennan typically treat?
As a Neonatal-Perinatal Medicine Specialist, Dr. Brennan 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. Brennan. 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:
- Other Lung Disease
- Lung Disease
- Various lung conditions
- Unspecified lung disorder
- Miscellaneous lung problems
ICD-10 Codes:
- J984: Other disorders of lung
Also known as:
- Low Birth Weight Newborn
- Low Birth Weight Baby
- Birth Weight
- LBW newborn
- Small baby
- Baby born 2000-2499 grams
- LBW baby
- Small baby at birth
- Underweight newborn
ICD-10 Codes:
- P0718: Other low birth weight newborn, 2000-2499 grams
- P0717: Other low birth weight newborn, 1750-1999 grams
Also known as:
- Apnea
- Other Breathing Problems
- Breathing Problems
- Temporary cessation of breathing
- Breathing pauses
- Stopped breathing
- Unusual breathing patterns
- Abnormal respiration
- Breathing irregularities
ICD-10 Codes:
- R0681: Apnea, not elsewhere classified
- R0689: Other abnormalities of breathing
Also known as:
- Other Feeding Difficulties
- Atypical Feeding Problems
- Unusual Eating Issues
- Specific Feeding Challenges
ICD-10 Codes:
- R6339: Other feeding difficulties
Does Dr. Brennan accept my insurance?
Dr. Brennan 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. Brennan accept in New York, NY?
Dr. Brennan in New York, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
CVS Health (formerly Aetna)
EmblemHealth
National Benefit Fund
State of Connecticut
State of New Jersey
UMR Administered Payer
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Brennan's office located?

CUIMC/NewYork-Presbyterian Morgan Stanley Children's Hospital
3959 Broadway
New York, NY 10032
What is Dr. Brennan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Brennan's National Provider Identifier (NPI) number is 1033353610.
What common questions do patients ask about Dr. Brennan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Brennan
What is Dr. Kathleen Brennan's specialty?
Dr. Brennan is a Neonatal-Perinatal Medicine Specialist near New York, NY.
What does a Neonatal-Perinatal Medicine Specialist do?
A pediatrician who serves as the primary care provider for sick newborn infants utilizes their clinical expertise for direct patient care and collaborates with obstetrical colleagues to develop care plans for mothers with high-risk pregnancies.
Is this Dr. Kathleen Brennan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Brennan is affiliated with Newyork-Presbyterian/columbia University Irving Medical Center, Newyork-Presbyterian Westchester 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 a Neonatal-Perinatal Medicine Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Neonatal-Perinatal 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 Kathleen Brennan accepting new patients in New York, NY?
Yes, Dr. Kathleen Brennan is accepting new patients at this time.
Does Dr. Kathleen Brennan offer online booking?
Please contact Dr. Brennan's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Kathleen Brennan?
Please contact Dr. Brennan's office for information regarding telehealth appointment availability or for scheduling assistance.
Other Neonatal-Perinatal Medicine Specialist Near New York, NY

Dr. Sinead Brady, MD is a Neonatal-Perinatal Medicine Specialist, who primarily practices in New York, NY.

CUIMC/NewYork-Presbyterian Morgan Stanley Children's Hospital
3959 Broadway
New York, NY 10032

Dr. Elvira Parravicini, MD is a Neonatal-Perinatal Medicine Specialist, who primarily practices in New York, NY.
CUIMC/NewYork-Presbyterian Morgan Stanley Children's Hospital
3959 Broadway
New York, NY 10032

Dr. Jennifer Hammond, MD is a Neonatal-Perinatal Medicine Specialist, who primarily practices in New York, NY.

CUIMC/NewYork-Presbyterian Morgan Stanley Children's Hospital
3959 Broadway
New York, NY 10032
Connect with DR. Brennan
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CUIMC/NewYork-Presbyterian Morgan Stanley Children's Hospital
3959 Broadway
New York, NY 10032