Provider Profile
Kirsti R. Willis, APN
Unclaimed ProfileAbout Kirsti Willis
Kirsti R. Willis, APN is a nurse practitioner based in Naperville, IL. Medicare claims data shows Kirsti provided 114 services to 113 patients. The services billed most often include emergency department visit with moderate level of medical decision making and emergency department visit with high level of medical decision making.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (630) 527-3000
- Email not available
Practice Locations
801 S WASHINGTON ST
Naperville, IL 60540
24600 W 127th St
Plainfield, IL 60585
Procedures Most Often Billed to Medicare
114 services · 113 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
71 | More often than most peers in Nurse Practitioner |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
43 | As often as other peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other nurse practitioners in Naperville 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Kirsti R. Willis?
Kirsti R. Willis is a nurse practitioner in Naperville, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Kirsti R. Willis's address?
Kirsti R. Willis is listed at 801 S Washington St, Naperville, IL 60540. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Kirsti R. Willis?
The number on file is (630) 527-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Kirsti R. Willis?
Kirsti R. Willis's National Provider Identifier is 1023670247. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Kirsti R. Willis train?
Kirsti R. Willis attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Kirsti R. Willis have?
Kirsti R. Willis has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What procedures does Kirsti R. Willis perform?
According to Medicare billing data, Kirsti R. Willis the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Kirsti R. Willis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Kirsti R. Willis. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.