Stephanie Killoy, APNP
NPI 1023652310 · Nurse Practitioner · Madison, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Killoy, APNP is a Nurse Practitioner provider in Madison, WI (NPI 1023652310).
Provider details
- NPI number
- 1023652310
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 9717-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
49 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) |
|---|---|---|
| Injection of Chemical for Paralysis of Facial and Neck Nerve Muscles on Both Sides of Face64615 | 28 | $90 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 21 | $110 |
Typical Medicare-allowed amounts for these services range $90–$110 (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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Galcanezumab-Gnlmbrand: Emgality Pen | 156 | 25 |
| Sumatriptan Succinate | 80 | 12 |
| Ubrogepantbrand: Ubrelvy | 56 | 11 |
| Baclofen | 42 | 13 |
| Gabapentin | 39 | 12 |
| Prochlorperazine Maleate | 39 | 13 |
| Topiramate | 32 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-10-30
- Last updated
- 2021-01-13
- Certified
- 2021-01-13
Frequently asked questions
- What is Stephanie Killoy's NPI number?
- Stephanie Killoy's National Provider Identifier (NPI) is 1023652310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Killoy's specialty?
- Stephanie Killoy is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie Killoy located?
- Stephanie Killoy's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-0001.
- What is Stephanie Killoy's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Killoy is (608) 263-5442.
- Does Stephanie Killoy accept Medicare?
- Stephanie Killoy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Killoy's NPI active?
- Yes — Stephanie Killoy's NPI (1023652310) is active in the NPPES registry as of the last update on 2021-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.