Provider headshot

Dr. William R. O'Brien, MD

Primary Specialty
Rheumatology
Accepting New Patients
Request an Appointment
Location
Pentucket Medical
1 Park Way
Haverhill, MA 01830
US
(978) 557-8771(978) 557-8771
(978) 557-8798(978) 557-8798
Pentucket Medical
500 Merrimack Street
Lawrence, MA 01843
US
(978) 557-8900(978) 557-8900
(978) 557-8867(978) 557-8867
Pentucket Medical
260 Merrimac Street
Newburyport, MA 01950
US
(978) 499-7498(978) 499-7498
(978) 499-7327(978) 499-7327
About Dr. O'Brien
Provider Gender
MALE
Languages Spoken
  • English
Specialties
Rheumatology
NPI
1043483837