Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Bryan M Mahan, DO

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1134159023

Bryan M Mahan, DO is a Thoracic Surgery in Boulder, Colorado. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1976, 50 years ago. Practices with Boulder Community Health, a 253-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
50
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
CO
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

4743 Arapahoe Ave Ste 201
Boulder, CO 80303-1128
Phone: (303) 442-2395
Fax: (303) 442-1073
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 37687 (CO)

Record details

NPI number1134159023
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 4, 2006
Last updated in NPPESOctober 24, 2018
Mailing address5450 Western Ave Ste B, Boulder, CO 80301-2709

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyTHORACIC SURGERY
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 1976 (50 years in practice)
Group practice Boulder Community Health — 253 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount