4.9
12 Ratings with 2 written Reviews

Overview based on verified provider data
![]() | ![]() | ![]() | ![]() |
| Dr. Jennifer Demarco, MD | Dr. Arkadiy Takhalov, MD | Olivia Louis-Jacques, FNP-BC | Nancy Thomas, RN, MSN, FNP |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 28 Years of Experience | 39 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks Spanish, Russian, English | Speaks English | Speaks English |
| Rockville Centre , NY | Forest Hills , NY | Smithtown , NY | Smithtown , NY |
| Med School: New York Institute of Technology College of Osteopathic Medicine | Med School: Samarkand State Medical Institute | ||
Current Profile | View Profile | View Profile | View Profile |
Dr. Jennifer Demarco holds an active medical license in the state of New York.
Doctor Of Osteopathy with an active medical license in the state of New York that expires in 2027.
Graduated from New York Institute of Technology College of Osteopathic Medicine in 1998.
Dr. Demarco's NPI number is 1265611131.










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.