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

Mr. Mark Wayne Larsen, MSN-E, FNP-C, CEN

Individual provider Family Nurse Practitioner · NPI 1689166266

Mr. Mark Wayne Larsen, MSN-E, FNP-C, CEN is a Family Nurse Practitioner in Afton, Wyoming. Practices as a sole proprietor. Licensed in Wyoming.

Licensed in
WY
In the registry since
2018
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

901 Adams St
Afton, WY 83110-9621
Phone: (885) 885-5800
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 1758.1758 (WY)

Record details

NPI number1689166266
Entity typeIndividual (Type 1)
GenderMale
Credentials MSN-E , FNP-C , CEN
Sole proprietorYes
NPI enumeratedMay 31, 2018
Last updated in NPPESMay 31, 2018

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