Delwyn Lassen, MD

Family Medicine

GenderMaleNPI1558346015Affiliated sites1

Affiliated Health Centers

Delwyn Lassen is affiliated with 1 federally qualified health center location.

Promise CHC Ireton Elementary

303 Oak St, Ireton, IA 51027-7753

Medicare★ 4.0 Google (67)

View clinic →

Primary Care Services

Preventive care, chronic disease management, and routine health services for all ages.

Annual physicals

Chronic disease management

Immunizations

Preventive screenings

Acute illness care

Hypertension & diabetes management

Referral coordination

Browse all Primary Care clinics →

Clinician information is sourced from the NPPES National Provider Registry (February 2026) and reflects self-reported practice locations. Individual providers may have joined or left since the last registry update.

Verify on NPI Registry

Confirm current license and practice information on the official CMS NPI registry.

View NPI Record

Family Medicine

Providing family medicine services at federally qualified health centers with sliding fee scale options.

View services →

Affiliated Health Center

Promise CHC Ireton Elementary

View quality scores & reviews →

Browse

All clinicians →Family Medicine clinicians →Browse health centers →

Going to a Community Health Center?

These clinics charge based on what you earn, and are funded to serve people who cannot pay much.

Who can be seen here →What a visit costs →What to bring to your first visit →What is an FQHC? →

Delwyn Lassen, MD

Affiliated Health Centers

Primary Care Services

Related Clinicians

Other Clinicians at These Health Centers

Other Family Medicine Clinicians

Verify on NPI Registry

Family Medicine

Affiliated Health Center

Browse

Going to a Community Health Center?