MG
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Gallagher, Pediatric Endocrinologist in New York, NY?
Dr. Mary Gallagher is a Pediatric Endocrinologist, who primarily practices in New York, NY. She is board certified. Dr. Gallagher completed her residency at Ny And Presby Hosp, Pediatric Endocrinology; Ny And Presby Hosp, Pediatrics. Dr. Gallagher is fluent in English and Spanish, and is currently seeing new patients. Dr. Gallagher’s practice accepts Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gallagher’s office at (212) 263-0788.
What are Areas of Expertise for Dr. Gallagher?
Dr. Mary Gallagher is a highly-rated, board-certified Pediatric Endocrinologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Gallagher empowers patients to confidently navigate their health journey, specializing in Diabetes, and comprehensive wellness support. Serving the New York, NY community, Dr. Gallagher is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Gallagher go to medical school and complete their residency?
Residency: Ny And Presby Hosp, Pediatric Endocrinology; Ny And Presby Hosp, Pediatrics
Medical School: Umdnj-New Jersey Med Sch- Newark Nj
Is Dr. Gallagher board certified as a Pediatric Endocrinologist?
Yes, Dr. Mary Gallagher is board certified by the American Board of Pediatrics
What languages does Dr. Gallagher speak?
Dr. Gallagher and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Pediatric Endocrinologist like Dr. Gallagher typically treat?
As a Pediatric Endocrinologist, Dr. Gallagher 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. Gallagher. 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:
- Type 1 Diabetes with High Blood Sugar
- Type 1 Diabetes
- Diabetes Type 1
- Hyperglycemia
- Type 1 diabetes
- Diabetes Tests & Diagnosis
- Diabetic Hyperglycemia
- High Glucose in Type 1 Diabetes
- High Blood Sugar Episode
- Juvenile Diabetes
- Insulin-Dependent Diabetes
- T1D
ICD-10 Codes:
- E1065: Type 1 diabetes mellitus with hyperglycemia
- E109: Type 1 diabetes mellitus without complications
Also known as:
- Unspecified Illness
- General sickness
- Undiagnosed illness
- Feeling unwell
ICD-10 Codes:
- R69: Illness, unspecified
Also known as:
- Type 2 Diabetes with High Blood Sugar
- Type 2 Diabetes
- Diabetes Type 2
- Hyperglycemia
- Type 2 diabetes
- Diabetic Hyperglycemia
- High Blood Glucose
- High Sugar Levels
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E1165: Type 2 diabetes mellitus with hyperglycemia
- E119: Type 2 diabetes mellitus without complications
Also known as:
- High Blood Sugar
- Hyperglycemia
- Elevated Glucose
- Unspecified High Blood Sugar
ICD-10 Codes:
- R739: Hyperglycemia, unspecified
Also known as:
- Abnormal Blood Sugar
- Blood Glucose
- High blood glucose
- Low blood glucose
- Glucose intolerance
ICD-10 Codes:
- R7309: Other abnormal glucose
What procedures does a Pediatric Endocrinologist like Dr. Gallagher typically perform?
As a Pediatric Endocrinologist, procedures performed by Dr. Mary Gallagher may include:
- Adrenal Surgery
- Comparative Genomic Hybridization
- D and C / Vacuum Aspiration
- Diabetes Blood Sugar Management
- Diabetes Care - Kidney Disease Monitoring
- Diabetes Consultation
- Doppler Ultrasound
- Egg Freezing/ Fertility Preservation
Please contact Dr. Gallagher's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Gallagher accept my insurance?
Dr. Gallagher accepts most major insurance plans. Important: Please call our office at (212) 263-0788 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Gallagher accept in New York, NY?
Dr. Gallagher in New York, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield
Blue Cross Blue Shield of Illinois
Blue Cross Blue Shield of Michigan
Centene Corporation
Cigna
Cigna Group
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Harvard Pilgrim
UnitedHealth Group
View All Insurances
Where is Dr. Gallagher's office located?
Dr. Mary Gallagher's Primary Practice
1150 Saint Nicholas Ave Fl 2
New York, NY 10032
(212) 263-0788
What is Dr. Gallagher's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Gallagher's National Provider Identifier (NPI) number is 1194792291.
What common questions do patients ask about Dr. Gallagher?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Gallagher
What is Dr. Mary Gallagher's specialty?
Dr. Gallagher is a Pediatric Endocrinologist near New York, NY.
What does a Pediatric Endocrinologist do?
A pediatrician specializing in the care of infants, children, and adolescents with diseases caused by abnormalities in the endocrine glands, which produce hormones. This includes conditions such as diabetes mellitus, growth failure, atypical body size for age, early or delayed puberty, congenital abnormalities, and disorders affecting the thyroid, adrenal, and pituitary glands, as well as the genital region.
Is this Dr. Mary Gallagher affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Gallagher is affiliated with Nyu Langone Health - Tisch Hospital which is a Castle Connolly Top Hospital. 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 Pediatric Endocrinologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Pediatric Endocrinologist. 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 Mary Gallagher accepting new patients in New York, NY?
Yes, Dr. Mary Gallagher is accepting new patients at this time.
Does Dr. Mary Gallagher offer online booking?
Please contact Dr. Gallagher's office at (212) 263-0788 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mary Gallagher?
Please contact Dr. Gallagher's office at (212) 263-0788 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mary Gallagher have?
Dr. Mary Gallagher is certified by the American Board of Pediatrics.
Other Pediatric Endocrinologist Near New York, NY

Pediatric Endocrinologist
Dr. Natasha Leibel, MD is a Pediatric Endocrinologist, who primarily practices in New York, NY. She has been practicing for over 21 years and is board certified.
New York, NY

Dr. Ileana Vargas, MD is a Pediatric Endocrinologist, who primarily practices in New York, NY.

CUIMC/Russ Berrie Medical Science Pavilion
1150 St. Nicholas Avenue
New York, NY 10032

Dr. Rachelle Gandica, MD is a Pediatric Endocrinologist, who primarily practices in NEW YORK, NY. She is board certified.
NewYork-Presbyterian
1150 St. Nicholas Avenue
NEW YORK, NY 10032