Sandra Nienaber
NPI 1104015742 · Family Nurse Practitioner · Rockford, IL
Sandra Nienaber is a Family Nurse Practitioner provider in Rockford, IL (NPI 1104015742).
Provider details
- NPI number
- 1104015742
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 209005207 (IL)
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
18 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
- 2007-10-19
- Last updated
- 2007-10-19
Frequently asked questions
- What is Sandra Nienaber's NPI number?
- Sandra Nienaber's National Provider Identifier (NPI) is 1104015742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Nienaber's specialty?
- Sandra Nienaber is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sandra Nienaber located?
- Sandra Nienaber's practice location on file with NPPES is 420 E State St, Rockford, IL 61104-1015.
- What is Sandra Nienaber's phone number?
- The practice phone number listed in the NPPES registry for Sandra Nienaber is (815) 319-6634.
- Is Sandra Nienaber's NPI active?
- Yes — Sandra Nienaber's NPI (1104015742) is active in the NPPES registry as of the last update on 2007-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.