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

Individual provider Acute Care Nurse Practitioner · NPI 1023074051

Sheila Treftz, APN is a Nurse Practitioner in Naperville, Illinois. Qualified in 2001, 25 years ago. Practices with Sigma Health PC, a 21-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
25
Licensed in
IL
In the registry since
2006
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

120 Spalding Dr Ste 401
Naperville, IL 60540-6508
Phone: (630) 416-4501
Fax: (630) 416-4504
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 209004336 (IL)

Record details

NPI number1023074051
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedApril 26, 2006
Last updated in NPPESMarch 7, 2023
Mailing address801 S Washington St, Naperville, IL 60540-7430

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Sigma Health Pc — 21 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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