Summary

Dr. Mary O'Brien has practiced family medicine and internal medicine for 35 years and is affiliated with South Shore Hospital. She treats heart failure, chronic kidney disease, and atrial fibrillation. She is board-certified in internal medicine by the American Board of Internal Medicine. Dr. O'Brien earned her medical degree from Stony Brook University and completed her residency and fellowship at UMass Chan Medical School. She sees patients in Shrewsbury, Massachusetts, and speaks English and Spanish. Patients on Vitals rate Dr. O'Brien 3.93 out of 5.

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, MDDorah Zalwango, NPDr. Tushar Patel, MDAriane Theriault, RN, BSN, AGPCNP-BC
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
0 
4.8 
0 
35 Years of Experience 3 Years of Experience 48 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Swahili Speaks English Speaks English
Shrewsbury , MADracut , MANew Bedford , MANorth Andover , MA
Med School: Stony Brook University, Stony Brook, NY Med School: Topiwala National Medical College
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.
Which hospitals is Mary O'brien affiliated with?
Mary O'brien is affiliated with South Shore Hospital.
What languages does Mary O'brien speak?
Mary O'brien speaks English and Spanish.
Does Mary O'brien accept virtual/telehealth appointments?
Mary O'brien has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Mary O'brien accept my insurance?
You can see the insurance plans that Mary O'brien accepts on their Vitals profile.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Board certification bodies (such as ABMS)
  • Healthcare system and provider network data

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