Dawn Theilen, ARNP
NPI 1386600179 · Nurse Practitioner · Mason City, IA
Dawn Theilen, ARNP is a Nurse Practitioner provider in Mason City, IA (NPI 1386600179).
Provider details
- NPI number
- 1386600179
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- F089892 (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
- 2006-04-21
- Last updated
- 2022-07-21
Frequently asked questions
- What is Dawn Theilen's NPI number?
- Dawn Theilen's National Provider Identifier (NPI) is 1386600179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dawn Theilen's specialty?
- Dawn Theilen is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dawn Theilen located?
- Dawn Theilen's practice location on file with NPPES is 1000 4th St Sw, Mason City, IA 50401-2800.
- What is Dawn Theilen's phone number?
- The practice phone number listed in the NPPES registry for Dawn Theilen is (641) 428-6300.
- Is Dawn Theilen's NPI active?
- Yes — Dawn Theilen's NPI (1386600179) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.