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Dr. Deborah S. Derderian, DO

Internal Medicine

  • (508) 634-6620

Dr. Derderian's Overview

Dr. Deborah S. Derderian graduated from the University of New England College of Osteopathic Medicine in 2007. She works in Mendon, MA and specializes in Internal Medicine. Dr. Derderian is affiliated with Milford Regional Medical Center.

Dr. Derderian's Experience

Years in Practice: 8

Dr. Derderian's Specialties

Internal Medicine

Dr. Derderian's Education & Training

Medical School: University of New England College of Osteopathic Medicine; Graduated 2007

Dr. Derderian's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Derderian's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • CIGNA Open Access Plus
  • First Health PPO
  • Great West PPO
  • Harvard Pilgrim PPO
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Dr. Derderian's Office Information & Appointments

Office Locations

Tri-County Medical Associates
Tri County Internal Medicine

12 Uxbridge Rd Ste 201
Mendon, MA 01756
(508) 634-6620


Office Hours and Information

Fax: (508) 634-6813

Practice Website:

Accepting New Patients: No

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 8:00 AM - 4:30 PM
Tuesday 8:00 AM - 4:30 PM
Wednesday 8:00 AM - 4:30 PM
Thursday 8:00 AM - 4:30 PM
Friday 8:00 AM - 4:30 PM
Saturday 9:00 AM - 12:00 PM
Sunday Closed

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Dr. Derderian's Hospital Affiliations

Office Locations

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