


Dr. James O'Brien, MD
Dr. James O'Brien, MD is a pulmonologist in Waltham, MA and has over 45 years of experience in the medical field. He graduated from NEW YORK Medical College in 1975. He is affiliated with medical facilities such as Danbury Hospital and New Milford Hospital. He is accepting new patients and telehealth appointments.
Practice
85 1st Ave Waltham, MA 02451Make an Appointment
Hospital Highlight
Dr. O'Brien is affiliated with Danbury Hospital Danbury, a highly rated and top awarded hospital for pulmonology.
At a Glance
- Areas of ExpertiseDr. O'Brien specializes in the areas of Internal Medicine & Pulmonary Disease. • See board certifications
- Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
- Practices at Top Hospital
- Hospital Satisfaction

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Dr. O'Brien's Reviews
Likelihood to recommend Dr. O'Brien
2.4
5 Star | 25% | 25% |
4 Star | 13% | 13% |
3 Star | 0% | 0% |
2 Star | 0% | 0% |
1 Star | 63% | 63% |
Leave a review
How was your experience with Dr. O'Brien?Overall Patient Satisfaction
Likelihood of recommending Dr. O'Brien to family and friends is 2.375 out of 5
About Me
biography
Dr. James O'Brien, MD is a pulmonologist in Waltham, MA and has over 45 years of experience in the medical field. He graduated from NEW YORK Medical College in 1975. He is affiliated with medical facilities such as Danbury Hospital and New Milford Hospital. He is accepting new patients and telehealth appointments.Pulmonary Disease
Internal Medicine
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
New York Medical College
Medical School, 1975
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkFocus on Asthma
Locations
Practice
Practice
- Call
- Fax
- Hours
- Mon: 8:00am - 5:00pm
- Wed: 8:00am - 5:00pm
- Thu: 8:00am - 5:00pm
- Fri: 8:00am - 5:00pm
- Directions
Affiliated Hospitals
- Recipient of 28
hospital awardsAmerica's 250 Best Hospitals Award™ (2025, 2024)
Top 5% in the nation for consistently delivering clinical quality
View all awardsPulmonary Care Excellence Award™ (2025)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
87%Patients said they were given information about recovering at home3% higher than the national average
74%Patients said that doctors always listened to them and explained things well2% lower than the national average
- Recipient of 14
hospital awardsAmerica's 250 Best Hospitals Award™ (2025, 2024)
Superior clinical outcomes in treating chronic obstructive pulmonary disease (COPD) and pneumonia
View all awardsPulmonary Care Excellence Award™ (2025)
Superior clinical outcomes in treating chronic obstructive pulmonary disease (COPD) and pneumonia
- Recipient of 4
hospital awardsPatient Safety Excellence Award™ (2025, 2024)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all awardsOutstanding Patient Experience Award™ (2023, 2022)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all patient feedbackHow patients felt about the care they received at this hospital.
86%Patients said they were given information about recovering at home2% higher than the national average
79%Patients said that nurses always listened to them and explained things well4% higher than the national average
Compare Providers
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