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

Mr. Nicholas James Larsen, DO

Individual provider Anesthesiology Physician · NPI 1164644464

Mr. Nicholas James Larsen, DO is an Anesthesiology in Ogden, Utah. Qualified in 2003, 23 years ago. Practices with Benefis Hospitals Inc, a 398-clinician group and accepts Medicare assignment. Licensed in Iowa, Montana, Oregon and Utah and 1 more.

Years since qualifying
23
Licensed in
IA, MT, OR, UT, WI
In the registry since
2007
Specialties on file
5
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

4401 Harrison Blvd
Ogden, UT 84403-3195
Phone: (801) 387-2800
Fax: (770) 701-6675
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 7650570-1204 (UT)
Anesthesiology Physician Taxonomy 207L00000X · Licence DO222362 (OR)
Anesthesiology Physician Taxonomy 207L00000X · Licence 3084-321 (WI)
Anesthesiology Physician Taxonomy 207L00000X · Licence 148134 (MT)
Anesthesiology Physician Taxonomy 207L00000X · Licence DO-07085 (IA)

Record details

NPI number1164644464
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 3, 2007
Last updated in NPPESJuly 25, 2025
Certification dateJuly 25, 2025
Mailing addressPo Box 3570, Salt Lake City, UT 84110-3570

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Benefis Hospitals Inc — 398 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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