Quick answers
- Where does Sheila M. Treftz see patients?
- Medicare's clinician data lists 3 practice locations, including Orland Park, IL and Naperville, IL. Call before your visit to confirm the address.
- What is Sheila M. Treftz's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Sheila M. Treftz accept Medicare assignment?
- Yes. Medicare's clinician data says Sheila M. Treftz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Sheila M. Treftz offer telehealth?
- Medicare's clinician data says Sheila M. Treftz offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sheila M. Treftz?
- (708) 364-0261, as listed in official Medicare / NPI Registry data.
- What is Sheila M. Treftz's NPI number?
- 1023074051. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Sheila M. Treftz is enrolled with Medicare (CMS data updated 2026-10-02).
- 10640 165th StOrland Park, IL 60467
- 10640 W 165th StOrland Park, IL 60467 (708) 364‑0261
- 1924 Springbrook Square DrNaperville, IL 60564 (708) 364‑0261
Group practices
Medicare enrollment lists Sheila M. Treftz as a member of this group (CMS data updated 2026-10-02).
- Sigma Health PC24 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Orland Park
Clinicians with the same Medicare primary specialty in Orland Park, IL — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1023074051 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians