Helen Sadler, ARNP
NPI 1295714814 · Nurse Practitioner · Waterloo, IA
Helen Sadler, ARNP is a Nurse Practitioner provider in Waterloo, IA (NPI 1295714814).
Provider details
- NPI number
- 1295714814
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- 069076 (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
- 2006-01-12
- Last updated
- 2007-10-22
Frequently asked questions
- What is Helen Sadler's NPI number?
- Helen Sadler's National Provider Identifier (NPI) is 1295714814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Sadler's specialty?
- Helen Sadler is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Helen Sadler located?
- Helen Sadler's practice location on file with NPPES is 146 W Dale St, Waterloo, IA 50703-1901.
- What is Helen Sadler's phone number?
- The practice phone number listed in the NPPES registry for Helen Sadler is (319) 234-4431.
- Is Helen Sadler's NPI active?
- Yes — Helen Sadler's NPI (1295714814) is active in the NPPES registry as of the last update on 2007-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.