Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Erik Lars Hermstad

Individual provider Emergency Medicine Physician · NPI 1164598629

Erik Lars Hermstad practises Emergency Medicine in Fort Collins, Colorado. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 2004, 22 years ago. Practices with Emergency Physicians of the Rockies, PC, a 79-clinician group and accepts Medicare assignment. Licensed in Colorado, Indiana and Texas.

Years since qualifying
22
Trained at
University of Kansas School of Med (KC/WICH/SAL)
Licensed in
CO, IN, TX
In the registry since
2006
Specialties on file
3
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Practice location Address checks out

1024 S Lemay Ave
Fort Collins, CO 80524-3929 Not confirmed with CMS for 12 years — call before visiting
Phone: (303) 306-7783
Fax: (303) 306-7753
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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 49577 (CO)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 01062368A (IN)
Emergency Medicine Physician Taxonomy 207P00000X · Licence M8035 (TX)

Record details

NPI number1164598629
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 27, 2006
Last updated in NPPESFebruary 19, 2014

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 2004 (22 years in practice)
Group practice Emergency Physicians Of The Rockies, Pc — 79 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients427
Services billed 618 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Emergency Physicians of the Rockies, PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 79 clinicians in the practice; 12 are shown here.

Other providers in Fort Collins