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Dr. John D. O'Holleran, MD Visit Healthgrades for information on Dr. John D. O'Holleran, MD. Find Phone & Address information, medical practice history, affiliated hospitals and more.

Specializes in General Surgery • Male • Age 54

1303 San Carlos Ave
San Carlos, CA 94070
OverviewPhone & AddressExperienceHospital QualityPatient Satisfaction

Key things you need to know about
Dr. O'Holleran:


Phone & Address

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Accepting new patients?

  • Yes

Dr. O'Holleran's Offices

O'Holleran and O'Holleran MDs
O'Holleran and O'Holleran MDs
1303 San Carlos Ave
San Carlos, CA 94070
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7 Tips to Prepare for Your Appointment

The key to a successful appointment is communication. To get the most out of your visit, prepare ahead of time so you can lead the conversation with your doctor. These 7 tips will get you ready


Dr. O'Holleran's Experience

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Dr. O'Holleran's Care Philosophy

Dr. O'Holleran's Specialties

  • General Surgery

Procedures Dr. O'Holleran Performs

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Hospital Quality

The right hospital is as important as the right doctor

Sequoia Hospital
170 Alameda De Las Pulgas
Redwood City, CA 94062

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9 Facts About Hospital Quality

Patients’ risk of dying during a hospital stay for heart bypass surgery could be 87.4% lower, on average, at a hospital rated 5 stars compared to a hospital rated 1 star for that procedure. Choosing the right hospital is critical to your health. View Slideshow


Patient Satisfaction

Patients' feedback on their experience with Dr. O'Holleran


8 Facts About Patient Satisfaction Surveys

Patient satisfaction surveys provide a standardized way of reporting about healthcare experiences. But there can be more than meets the eye when reviewing scores. Here's what you should know

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