Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mrs. Sonal H Williams, FNP

Individual provider Family Nurse Practitioner · NPI 1578013215

Mrs. Sonal H Williams, FNP is a Nurse Practitioner in Rockford, Illinois. Qualified in 2016, 10 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
10
Licensed in
IL
In the registry since
2016
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

5666 E State St
Rockford, IL 61108-2425
Phone: (815) 226-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 486 Randall Rd Unit B, South Elgin, IL 60177-3354 — (224) 783-5000

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 209014819 (IL)

Record details

NPI number1578013215
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorYes
NPI enumeratedOctober 5, 2016
Last updated in NPPESNovember 9, 2023
Certification dateNovember 9, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Rockford