Katie Zilli, FNP
NPI 1013238047 · Family Nurse Practitioner · Milwaukee, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katie Zilli, FNP is a Family Nurse Practitioner provider in Milwaukee, WI (NPI 1013238047).
Provider details
- NPI number
- 1013238047
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 151630 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
169 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 82 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 60 | $78 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $53 |
Typical Medicare-allowed amounts for these services range $13–$78 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Osimertinib Mesylatebrand: Tagrisso | 64 | 11 |
| Apixabanbrand: Eliquis | 39 | 11 |
| Gabapentin | 28 | — |
| Prednisone | 22 | — |
| Dexamethasone | 20 | 12 |
| Oxycodone Hcl | 18 | 11 |
| Ondansetron Hcl | 17 | — |
Practice location
Mailing address
Additional practice locations (4)
- W180n8085 Town Hall RdMenomonee Falls, WI 53051-3518Phone: (262) 257-5100Fax: (262) 253-7081
- 4805 S Moorland RdNew Berlin, WI 53151-7401Phone: (262) 798-7200Fax: (262) 798-7201
- 7901 S 6th StOak Creek, WI 53154-2010Phone: (414) 346-8000Fax: (414) 346-8010
- 3200 Pleasant Valley RdWest Bend, WI 53095-9274Phone: (262) 836-7200Fax: (262) 836-7201
Registry dates
- Enumerated
- 2010-06-14
- Last updated
- 2024-03-04
- Certified
- 2024-03-04
Frequently asked questions
- What is Katie Zilli's NPI number?
- Katie Zilli's National Provider Identifier (NPI) is 1013238047, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katie Zilli's specialty?
- Katie Zilli is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katie Zilli located?
- Katie Zilli's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
- What is Katie Zilli's phone number?
- The practice phone number listed in the NPPES registry for Katie Zilli is (414) 805-6800.
- Does Katie Zilli accept Medicare?
- Katie Zilli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katie Zilli's NPI active?
- Yes — Katie Zilli's NPI (1013238047) is active in the NPPES registry as of the last update on 2024-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.