DAWN D THEILEN ARNP
NPI 1386600179
Nurse Practitioner in Mason City, IA

Q: What is Dawn Theilen's NPI number?

The NPI number for Dawn Theilen is 1386600179. It was assigned to this individual provider in the NPPES registry on April 21, 2006.

Q: What is Dawn Theilen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Dawn Theilen was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 21, 2006

1000 4TH ST SW, MASON CITY, IA 50401(641) 428-6300(641) 428-6374 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 21, 2022, Jun 26, 2017 (2 updates tracked since 2017).

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About Dawn D Theilen Arnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAWN D THEILEN ARNP (NPI 1386600179) is an individual nurse practitioner in Mason City, Iowa, licensed in Iowa (F089892) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1386600179

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameDAWN D THEILENCredential: ARNP

Location Address1000 4TH ST SWMason City, IA 50401-2800

Mailing Address621 S Illinois Ave Ste 103Mason City, IA 50401-5489 · (641) 428-3041 · Fax (641) 428-3059

Phone(641) 428-6300

Fax(641) 428-6374

Sole ProprietorNo

Enumeration DateApril 21, 2006

Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration

✔ NPI 1386600179 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IA · F089892

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

1000 4TH ST SW, Mason City, IA 50401

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Other Identifiers 1

Medicaid0057026IA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LINDA S VOLD LISW

Social Worker (Clinical)

1000 4TH ST SW, SUITE BS
MASON CITY, IA 50401

Cerro Gordo County (641) 422-7797

BURT HUMBURG MD

Internal Medicine

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 428-7000

SUMATHY NAGRAJ IYENGAR M.D.,

Hospitalist

1000 4TH ST SW, MERCY MEDICAL CENTER-HOSPITALIST DEPT
MASON CITY, IA 50401

Cerro Gordo County (641) 428-7000

DR. SATINDERJIT SINGH M.D.

Emergency Medicine

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 428-7234

ASHLEY MATERN ARNP

Nurse Practitioner (Family)

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 428-6999

ROBERT D. FROEHNER CRNA

Nurse Anesthetist, Certified Registered

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 422-7000

DR. THOMAS P DELANEY MD

Hospitalist

1000 4TH ST SW, SUITE HOSP
MASON CITY, IA 50401

Cerro Gordo County (641) 422-7000

NORTH IOWA MERCY CLINICS

Nurse Practitioner

1000 4TH ST SW
MASON CITY, IA 50401

Cerro Gordo County (641) 428-5932

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dawn Theilen's NPI number?

The NPI number for Dawn Theilen is 1386600179. It was assigned to this individual provider in the NPPES registry on April 21, 2006.

Where is Dawn Theilen located?

Dawn Theilen practices at 1000 4th St SW, Mason City, IA 50401. The listed phone number is (641) 428-6300.

What is Dawn Theilen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Dawn Theilen was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.