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

Dr. Brian O'Shea Ahlstrand, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1487920690

Dr. Brian O'Shea Ahlstrand, MD is an Internal Medicine in Westminster, Colorado. Qualified in 2012, 14 years ago. Practices with Colorado Permanente Medical Group PC, a 1,325-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
14
Licensed in
CO
In the registry since
2012
Specialties on file
2
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

11245 Huron St
Westminster, CO 80234-2806
Phone: (303) 338-4545
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 0055108 (CO)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1487920690
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2012
Last updated in NPPESJune 10, 2021
Certification dateJune 10, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Colorado Permanente Medical Group Pc — 1325 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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