0 reviews
Summary
Dr. Brennan graduated from the St Georges University School of Medicine in 2016. She works in Valhalla, NY and specializes in Pediatrics.
Quick Facts
- 10 years of experience
- 28 insurance plans accepted
- St Georges University School Of Medicine
- 1 specialty
- 1 office location
- Female
Office Location
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Mary Helen Brennan | Dr. Eric P. Mier, MD | Dr. Michael G. Lasser, MD | Dr. Yasmin A Reyes, MD |
| Pediatrics | Pediatrics | Pediatrics | Pediatrics |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 10 Years of Experience | 31 Years of Experience | 49 Years of Experience | 8 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Spanish, English | Speaks English, Spanish | ||
| Valhalla , NY | Cortlandt Manor , NY | Cortlandt Manor , NY | Flushing , NY |
| Med School: St Georges University School Of Medicine | Med School: UMDNJ-NEW JERSEY MED SCH | Med School: New York Medical College - Valhalla NY | Med School: St Georges University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Mary Helen Brennan
Medical Specialties
Dr. Mary Helen Brennan has the following specialty
Certifications, License, & Education
10 Years Experience
Dr. Mary Helen Brennan holds an active medical license in the state of New York.
Medical License
Medical Doctor with an active medical license in the state of New York that expires in 2026.
Education & Training
Medical School
Graduated from St Georges University School Of Medicine in 2016.
NPI Number
Dr. Brennan's NPI number is 1033565668.
Similar Doctors
Frequently Asked Questions
- Is Dr. Mary Helen Brennan accepting new patients?
- Dr. Mary Helen Brennan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Mary Helen Brennan?
- You can find contact information for Dr. Mary Helen Brennan here on Vitals.
- Does Dr. Mary Helen Brennan accept my insurance?
- You can see the insurance plans that Dr. Mary Helen Brennan accepts on their Vitals profile.
- Where is Dr. Mary Helen Brennan's office located?
- Dr. Mary Helen Brennan's office is located at 100 Woods Rd, Valhalla, NY, 10595.
- Does Dr. Mary Helen Brennan accept virtual/telehealth appointments?
- Dr. Mary Helen Brennan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.





