Sandi Darnell, APN
NPI 1700742707 · Family Nurse Practitioner · Naperville, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandi Darnell, APN is a Family Nurse Practitioner provider in Naperville, IL (NPI 1700742707).
Provider details
- NPI number
- 1700742707
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 209.034620 (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
Under 1 yr in 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
- 2026-01-02
- Last updated
- 2026-01-30
- Certified
- 2026-01-30
Frequently asked questions
- What is Sandi Darnell's NPI number?
- Sandi Darnell's National Provider Identifier (NPI) is 1700742707, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandi Darnell's specialty?
- Sandi Darnell is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sandi Darnell located?
- Sandi Darnell's practice location on file with NPPES is 2780 Willow Ridge Dr, Naperville, IL 60564-8950.
- What is Sandi Darnell's phone number?
- The practice phone number listed in the NPPES registry for Sandi Darnell is (630) 222-0489.
- Does Sandi Darnell accept Medicare?
- Sandi Darnell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandi Darnell's NPI active?
- Yes — Sandi Darnell's NPI (1700742707) is active in the NPPES registry as of the last update on 2026-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.