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

Dr. James K. Obrien, MD

Individual provider Pulmonary Disease Physician · NPI 1144244161

Dr. James K. Obrien, MD is a Pulmonary Disease in Denver, Colorado. Graduated from University of Minnesota Medical School in 1987, 39 years ago. Practices with Banner Health Physicians Colorado LLC, a 277-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
39
Trained at
University of Minnesota Medical School
Licensed in
VA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1400 Jackson St
Denver, CO 80206-2761
Phone: (303) 388-4461
Fax: (303) 270-2206
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 0101252867 (VA)

Record details

NPI number1144244161
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 26, 2006
Last updated in NPPESMarch 17, 2021
Certification dateMarch 17, 2021
Mailing address1400 Jackson St, Denver, CO 80206-2761

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1987 (39 years in practice)
Group practice Banner Health Physicians Colorado Llc — 277 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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