Stephanie Jan Killoy, APNP
Nurse Practitioner · Madison, WI
Stephanie Jan Killoy, APNP is a nurse practitioner with a practice address in Madison, Wisconsin, and NPI 1023652310, issued on Oct 30, 2019. Check the license (Wisconsin 9717-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephanie Jan Killoy
- Credential
- APNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 9717-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-5442
- Enumerated
- Oct 30, 2019
- Record last updated
- Jan 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (608) 265-1753
- Medicare enrollment
- Enrolled (PECOS I20191203000560); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
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Verify Stephanie Jan Killoy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 9717-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average nurse practitioner in 2024
874 Medicare Part D claims for 91 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims. 16 claims were for opioids.
Most prescribed
- Emgality Pen156 claims
- Sumatriptan Succinate80 claims
- Ubrelvy56 claims
- Baclofen42 claims
- Gabapentin39 claims
- Prochlorperazine Maleate39 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Jan Killoy among 3,995 nurse practitioner records in Wisconsin
Stephanie Jan Killoy, APNP is one of 3,995 nurse practitioner records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 65% of them.
- NPI issued2019 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 2017 among the 2,701 with a school on file
- Record last updated2021 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
516 nurse practitioner records list a practice address in Madison
They are 516 of the 15,014 NPPES records with a practice address in Madison, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Madison → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Valerie Boll, NPMadison, WI 537921720049638
- Nancy Brandt, APNPMadison, WI 537921487621165
- Denise Brost, NPMadison, WI 537921861464174
- Margaret Helin, APNPMadison, WI 537921609830272
- Joan Hermsen, APNPMadison, WI 537921073572004
- Olubunmi Kumapayi, NPMadison, WI 537921659335214
- Mary Love-Patton, NPMadison, WI 537921922074004
- Shea Lues, NPMadison, WI 537921023072683
Common questions
What is Stephanie Jan Killoy, APNP's NPI number?
Stephanie Jan Killoy, APNP's National Provider Identifier (NPI) is 1023652310, issued on Oct 30, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Jan Killoy, APNP located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-5442. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Jan Killoy, APNP's license?
NPPES lists Wisconsin license number 9717-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Stephanie Jan Killoy, APNP prescribe under Medicare Part D?
In 2024, Stephanie Jan Killoy, APNP had 874 Medicare Part D claims for 91 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Stephanie Jan Killoy, APNP's MIPS final score?
The 2023 MIPS final score is 77.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.