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Dr. Daniel J. O'Leary, MD

Internal Medicine

  • (978) 534-4241

Dr. O'Leary's Overview

Dr. Daniel J. O'Leary graduated from the University of Massachusetts Medical School in 1985. He works in Leominster, MA and specializes in Internal Medicine. Dr. O'Leary is affiliated with HealthAlliance Hospital Leominster.

Dr. O'Leary's Experience

Years in Practice: 30

Procedures Performed by Dr. O'Leary

  • Not Available

Dr. O'Leary's Specialties

Internal Medicine

Dr. O'Leary's Education & Training

Medical School: University of Massachusetts Medical School; Graduated 1985

Dr. O'Leary'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. O'Leary's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • BCBS MA Blue Care Elect PPO
  • BCBS MA HMO Blue with Managed Care Behavioral Health
  • BCBS MA Preferred Blue PPO
  • CIGNA LocalPlus
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Dr. O'Leary's Office Information & Appointments

Office Locations

Leominster Medical Associates

50 Memorial Dr Ste 205
Leominster, MA 01453
(978) 534-4241


Office Hours and Information

Fax: (978) 534-3705

Practice Website: Not Available

Accepting New Patients: No

Medicare Accepted: Yes

Medicaid Accepted: No

Monday 9:00 AM - 5:00 PM
Tuesday 9:00 AM - 5:00 PM
Wednesday 9:00 AM - 5:00 PM
Thursday 9:00 AM - 5:00 PM
Friday 9:00 AM - 5:00 PM
Saturday Closed
Sunday Closed

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Dr. O'Leary's Hospital Affiliations

Office Locations

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