Lois Hoornstra, NP
NPI 1285743476 · Pediatric Nurse Practitioner · Madison, WI
Lois Hoornstra, NP is a Pediatric Nurse Practitioner provider in Madison, WI (NPI 1285743476).
Provider details
- NPI number
- 1285743476
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 47169 (WI)
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
19 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
- 2006-08-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lois Hoornstra's NPI number?
- Lois Hoornstra's National Provider Identifier (NPI) is 1285743476, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lois Hoornstra's specialty?
- Lois Hoornstra is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lois Hoornstra located?
- Lois Hoornstra's practice location on file with NPPES is 2880 University Ave, Madison, WI 53705-3644.
- What is Lois Hoornstra's phone number?
- The practice phone number listed in the NPPES registry for Lois Hoornstra is (608) 263-6421.
- Is Lois Hoornstra's NPI active?
- Yes — Lois Hoornstra's NPI (1285743476) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.