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

Lark Trygstad, ARNP

Individual provider Nurse Practitioner · NPI 1710959648

Lark Trygstad, ARNP is a Nurse Practitioner in Mason City, Iowa. Licensed in Iowa. Registered with an NPI since 2006.

Licensed in
IA
In the registry since
2006
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

See every abbreviation used in this directory →

Practice location Address checks out

250 S Crescent Dr
Mason City, IA 50401-2926
Phone: (641) 494-5350
Fax: (641) 494-5294
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence J074225 (IA)

Record details

NPI number1710959648
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedFebruary 4, 2006
Last updated in NPPESMarch 6, 2018
Mailing address250 S Crescent Dr, Mason City, IA 50401-2926

Other providers in Mason City