Stacy A Piller, APN
Nurse Practitioner (CMS) · Mendota, IL
At a glance
1405 E 12Th St, Mendota, IL 61342-9010
NPPES record updated Jul 28, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1405 E 12Th St Ste 600Mendota, IL 61342-9010
Education & affiliations
- Medical / professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb)
- Graduation year
- 2016
- CMS specialties
- Nurse Practitioner
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Osf Saint Clare Medical Center Princeton, IL
- Osf Saint Elizabeth Mdl Ctr Peru, IL
- Osf Saint Paul Medical Center Mendota, IL
- Saint Francis Medical Center Peoria, IL
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Nurse Practitioner (CMS)
- Taxonomy code
- 363LP2300X
- Enumeration date
- Aug 2, 2016
- Record updated
- Jul 28, 2025
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- STACY A KNAPP
- Reported credentials
- APN
Reported taxonomies and licenses
363L00000X
License reported: 209-014728 IL
363LP2300X · Primary
License reported: 277000247 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1405 E 12Th StSte 600
Mendota, IL 61342-9010
- Phone
- (815) 538-7200
- Fax
- (815) 539-1444
Mailing address
1405 E 12TH STSTE 600
MENDOTA, IL 613429010
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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