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

John Aaron Cook, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1851737498

John Aaron Cook, DO is an Emergency Medicine in Fort Collins, Colorado. Qualified in 2013, 13 years ago. Practices with Emergency Physicians of the Rockies, PC, a 79-clinician group and accepts Medicare assignment. Licensed in Colorado and Illinois.

Years since qualifying
13
Licensed in
CO, IL
In the registry since
2013
Specialties on file
2
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.

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Practice location Address checks out

1024 S Lemay Ave
Fort Collins, CO 80524-3929
Phone: (970) 495-7000
Fax: (970) 495-7611
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence DR.0058404 (CO)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (IL)

Record details

NPI number1851737498
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 21, 2013
Last updated in NPPESJuly 21, 2022
Mailing addressPo Box 912215, Denver, CO 80291-2215

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Emergency Physicians Of The Rockies, Pc — 79 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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