Dr. Karaszewski works in Williamsville, NY and specializes in Internal Medicine. Dr. Karaszewski is affiliated with Mount Saint Mary's Hospital and Niagara Falls Memorial Medical Center.


Years Experience: Not Available

Dr. Karaszewski's Specialties

Dr. Karaszewski's Education & Training

Medical School
Not Available


  • Overall Rating

  • Rate
    Explains conditions & treatments

  • Rate
    Takes time to answer my questions

  • Rate
    Provides follow-up as needed

Dr. Karaszewski's Accepted Insurance

Please verify insurance information directly with your doctor's office as it may change frequently.

Insurance Plans

  • Aetna Choice POS II
  • Aetna Elect Choice EPO
  • Aetna Managed Choice POS Open Access
  • Aetna NYC Community Plan
  • Aetna Signature Administrators PPO

Dr. Karaszewski's Office Information & Appointments


Invision Health

400 International Dr
Williamsville, NY 14221

Get Directions

Tel: (716) 631-3555

Fax: (716) 631-9525

Practice Website: invisionhealth.com

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: No

M 9:00 AM - 4:00 PM
T 9:00 AM - 4:00 PM
W 9:00 AM - 4:00 PM
T 9:00 AM - 4:00 PM
F 9:00 AM - 4:00 PM
S Closed
S Closed

Other Physicians in Dr. Karaszewski's Practice