Lark Trygstad, ARNP
NPI 1710959648 · Nurse Practitioner · Mason City, IA
Lark Trygstad, ARNP is a Nurse Practitioner provider in Mason City, IA (NPI 1710959648).
Provider details
- NPI number
- 1710959648
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- J074225 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-04
- Last updated
- 2018-03-06
Frequently asked questions
- What is Lark Trygstad's NPI number?
- Lark Trygstad's National Provider Identifier (NPI) is 1710959648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lark Trygstad's specialty?
- Lark Trygstad is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lark Trygstad located?
- Lark Trygstad's practice location on file with NPPES is 250 S Crescent Dr, Mason City, IA 50401-2926.
- What is Lark Trygstad's phone number?
- The practice phone number listed in the NPPES registry for Lark Trygstad is (641) 494-5350.
- Is Lark Trygstad's NPI active?
- Yes — Lark Trygstad's NPI (1710959648) is active in the NPPES registry as of the last update on 2018-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.