3.6
34 Ratings with 15 written Reviews

![]() | ![]() | ![]() | ![]() |
| Dr. Keith A Siller, MD | Dr. Aysha Siddika | Dr. Stephanie Ann S Lontok | Dr. Gazala Hitawala |
| Vascular Neurology | Neurology | Internal Medicine | Neurology |
| 37 Years of Experience | 6 Years of Experience | 10 Years of Experience | 6 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| New Britain , CT | Hartford , CT | Birmingham , AL | Waterbury , CT |
| Med School: New York University School Of Medicine | Med School: St Georges University School Of Medicine | Med School: San Beda College Of Medicine | Med School: Ravindra Nath Tagore Medical College |
Current Profile | View Profile | View Profile | View Profile |
Dr. Keith A Siller holds inactive and expired medical licenses in the states of Connecticut and New York.
Medical Doctor with an inactive medical license in the state of Connecticut that expired in 2025 and an expired medical license in the state of New York that expired in 2026.
Completed their residency at New York University.
Graduated from New York University School Of Medicine in 1989.
Dr. Siller's NPI number is 1992714927.










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.