Summary

Dr. Mary O'Brien specializes in family medicine and internal medicine, providing comprehensive care for patients across all age groups. She earned her medical degree from Stony Brook University in Stony Brook, New York, and completed both her residency and fellowship training at UMass Chan Medical School. With 35 years of experience in practice, Dr. O'Brien is board-certified in internal medicine through the American Board of Internal Medicine. She is fluent in both English and Spanish.

Dr. O'Brien practices at South Shore Hospital and sees patients at Shrewsbury Internal Medicine in Shrewsbury, Massachusetts. Her expertise includes treating back pain in various populations, from children and teenagers to pregnant women experiencing pregnancy-related back discomfort. She incorporates physical therapy approaches, hands-on treatment techniques, and strengthening exercises into her patient care. Patients have given her an average rating of 3.9 out of 5 stars on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.9
  • 35 years of experience
  • 40 insurance plans accepted
  • speaks English, Spanish
  • UMass Chan Medical School
  • 6 written reviews
  • 2 specialties
  • 10 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Shrewsbury Internal Medicine

604 Main StShrewsbury, MA 01545
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

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Mary C O'brien, MDHelix Virtual CareNicole Baldwin, APRN, FNP-BCDr. Nancyver Lafleur-Omeler
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
3.7 
35 Years of Experience 8 Years of Experience 3 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English, French, Haitian Creole
Shrewsbury , MABoca Raton , FLOrlando , FLLeominster , MA
Med School: Stony Brook University, Stony Brook, NY
Current Profile
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Insurance Plans Accepted by Mary C O'brien

  • AARP
  • Aetna
  • Aetna - Medicare
  • Aetna - PPO
  • AmeriGroup
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Oklahoma
  • Blue Cross Blue Shield of Rhode Island
  • CareFirst BlueCross BlueShield
  • Cigna
  • EmblemHealth
  • Fallon Community Health Plan (FCHP)
  • Harvard Pilgrim Health Care
  • Harvard Pilgrim Health Care - HMO
  • Harvard Pilgrim Health Care - PPO
  • Health Alliance - Medicaid (Managed)
  • HealthFirst (NY)
  • HealthPartners
  • HealthPartners - HMO
  • Humana
  • Kaiser Permanente
  • MagnaCare
  • Mass General Brigham Health Plan
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Neighborhood Health Plan
  • Tricare
  • Tufts Health Plan
  • UniCare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO
  • US Family Health Plan

Medical Specialties

Mary C O'brien has the following 2 specialties

Specialty Expertise

Mary C O'brien has the following 10 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Internal Medicine
  • Menopause
  • Physical
  • Preventive Medicine
  • Vaccination
  • Weight Loss
  • Women's Health

Certifications, License, & Education

35 Years Experience

Mary C O'brien holds an active medical license in the state of Massachusetts. They are board certified in Internal medicine by the American Board of Internal Medicine.

Board Certifications

Board certified in Internal medicine by the American Board of Internal Medicine.

Medical License

Medical Doctor with an active medical license in the state of Massachusetts that expires in 2027.

Education & Training

Fellowship

Completed their fellowship at UMass Chan Medical School.

Residency

Completed their residency at UMass Chan Medical School.

Medical School

Graduated from Stony Brook University, Stony Brook, NY in 1991.

NPI Number

Mary C O'brien's NPI number is 1912980434.

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Frequently Asked Questions

Where is Mary O'brien's office located?
Mary O'brien's office is located at 604 Main St, Shrewsbury, MA, 01545.
Is Mary O'brien accepting new patients?
Mary O'brien is accepting new patients on Vitals. View Mary O'brien's profile on Vitals to make an appointment.
What languages does Mary O'brien speak?
Mary O'brien speaks English and Spanish.
Does Mary O'brien accept my insurance?
You can see the insurance plans that Mary O'brien accepts on their Vitals profile.
Which hospitals is Mary O'brien affiliated with?
Mary O'brien is affiliated with South Shore Hospital.

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