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

Diana Marie Stefanik, APN

Individual provider Family Nurse Practitioner · NPI 1881057917

Diana Marie Stefanik, APN is a Nurse Practitioner in Joliet, Illinois. Qualified in 2015, 11 years ago. Practices with Health Service Systems, Inc, a 63-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
11
Licensed in
IL
In the registry since
2016
Specialties on file
2
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

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Practice location Address checks out

951 Essington Rd
Joliet, IL 60435-8439
Phone: (630) 323-6116
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 209014143 (IL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 209014143 (IL)

Record details

NPI number1881057917
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedApril 5, 2016
Last updated in NPPESJune 15, 2026
Certification dateJune 15, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Health Service Systems, Inc — 63 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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