DO
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. O'hair, Thoracic Surgeon in Boulder, CO?
Dr. Daniel O'hair, MD is a Thoracic Surgeon, who primarily practices in Boulder, CO with 1 additional practice location. He is board certified. Dr. O'hair graduated from Medical College of Wisconsin and completed his residency at Froedtert Memorial Lutheran Hospital. Dr. O'hair is fluent in English and Spanish, and is currently seeing new patients. Dr. O'hair’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'hair’s office.
Where did Dr. O'hair go to medical school and complete their residency?
Residency: Froedtert Memorial Lutheran Hospital | New York Presbyterian Hospital Program
Medical School: Medical College of Wisconsin | Medical College of Wisconsin
Is Dr. O'hair board certified as a Thoracic Surgeon?
Yes, Dr. Daniel O'hair, MD is board certified by the American Board of Surgery , American Board of Thoracic Surgery
What languages does Dr. O'hair speak?
Dr. O'hair and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Thoracic Surgeon like Dr. O'hair typically treat?
As a Thoracic Surgeon, Dr. O'hair diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. O'hair. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Circulatory System Surgery Aftercare
- After Surgery
- Post-cardiac surgery care
- Vascular surgery aftercare
- Heart surgery recovery
ICD-10 Codes:
- Z48812: Encounter for surgical aftercare following surgery on the circulatory system
What procedures does a Thoracic Surgeon like Dr. O'hair typically perform?
As a Thoracic Surgeon, procedures performed by Dr. Daniel O'hair may include:
- Aortic Stent Grafts
- Arteriovenous Graft Placement
- Atherectomy
- Carotid Surgery
- Endovascular Aneurysm Repair (EVAR)
- Endovenous Laser Treatment of Varicose Veins
- Limb Salvage Surgery
- Mediastinal Adenopathy Surgery
Please contact Dr. O'hair's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. O'hair accept my insurance?
Dr. O'hair accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O'hair accept in Boulder, CO?
Dr. O'hair in Boulder, CO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Cross Blue Shield of Michigan
Cigna Group
Humana
Medicare
Other Provider Networks
UnitedHealth Group
View All Insurances
Where is Dr. O'hair's office located?
What is Dr. O'hair's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. O'hair's National Provider Identifier (NPI) number is 1851370852.
What common questions do patients ask about Dr. O'hair?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'hair
What is Dr. Daniel O'hair's specialty?
Dr. O'hair is a Thoracic Surgeon near Boulder, CO.
What does a Thoracic Surgeon do?
A thoracic surgeon is a healthcare expert with specialization in the surgical, perioperative, and critical care of patients with conditions affecting the chest. Their expertise encompasses the surgical treatment of coronary artery disease, lung, esophageal, and chest wall cancers, tracheal abnormalities, and issues with the great vessels and heart valves. They also address congenital anomalies, mediastinal tumors, and diaphragm diseases. Additionally, thoracic surgeons manage airway issues and chest injuries as part of their medical specialty.
Is this Dr. Daniel O'hair affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. O'hair is affiliated with Intermountain Health - Lutheran Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Thoracic Surgeon?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Thoracic Surgeon. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Daniel O'hair accepting new patients in Boulder, CO?
Yes, Dr. Daniel O'hair is accepting new patients at this time.
Does Dr. Daniel O'hair offer online booking?
Please contact Dr. O'hair's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Daniel O'hair?
Please contact Dr. O'hair's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Daniel O'hair have?
Dr. Daniel O'hair is certified by the American Board of Surgery and American Board of Thoracic Surgery.
Other Thoracic Surgeon Near Boulder, CO

Thoracic Surgeon
Dr. Bryan Mahan, DO is a Thoracic Surgeon, who primarily practices in Boulder, CO with 1 additional practice location. He has been practicing for over 39 years and is board certified.
Boulder, CO

Thoracic Surgeon
Dr. Myles Guber, MD is a Thoracic Surgeon, who primarily practices in Denver, CO with 2 additional practice locations. He has been practicing for over 39 years and is board certified.
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MC
Thoracic Surgeon
Dr. Michael Cain is a Thoracic Surgeon, who primarily practices in Aurora, CO with 2 additional practice locations.
Aurora, CO