Dr. O'Neill works in Westfield, MA and 1 other location and specializes in Allergy & Immunology and Otolaryngology. Dr. O'Neill is affiliated with Holyoke Medical Center and Mercy Medical Center.


Years Experience: Not Available

Dr. O'Neill's Specialties

Dr. O'Neill'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. O'Neill'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 HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO

Dr. O'Neill's Office Information & Appointments

This physician has multiple office locations. See Office Information for details.


Keenan Malladi & O'neill Mds
Keenan Malladi & Oneill Mds PC

75 Springfield Rd Ste 6
Westfield, MA 01085

Get Directions

Tel: (413) 568-2304

Fax: (413) 568-3517

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

M 8:30 AM - 5:00 PM
T 8:30 AM - 5:00 PM
W 8:30 AM - 5:00 PM
T 8:30 AM - 5:00 PM
F 8:30 AM - 12:00 PM
S Closed
S Closed

Other Physicians in Dr. O'Neill's Practice