Alyssa Walker, APNP
Nurse Practitioner · Oconomowoc, WI
Alyssa Walker, APNP is a nurse practitioner with a practice address in Oconomowoc, Wisconsin, and NPI 1093584328, issued on Dec 28, 2023. Check the license (Wisconsin 14872, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alyssa Walker
- Credential
- APNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 14872 WI
14872-33 WI
245836 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1284 N Summit Ave, Oconomowoc, WI 53066
- Phone
- (262) 560-3700
- Enumerated
- Dec 28, 2023
- Record last updated
- Feb 19, 2024
- Medicaid ID
- 100265694 WI
- Medicare enrollment
- Enrolled (PECOS I20240209002802); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2023
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 1284 N Summit Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Bondioli, RPHPharmacist1033490180
- Angela Eggleston, PHARMDPharmacist1396146502
- Jeffery Glaspy, MDEmergency Medicine Physician1619925237
- Tamara Grissman, PA-CPhysician Assistant1093022519
- Lauren Hollandsworth, DOFamily Medicine Physician1760877559
- Jenna Muri, PAPhysician Assistant1760818983
Verify Alyssa Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 14872Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average nurse practitioner in 2024
432 Medicare Part D claims for 178 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Prednisone27 claims
- Azithromycin24 claims
- Amoxicillin-Clavulanate Potass19 claims
- Albuterol Sulfate Hfa16 claims
- Gabapentin15 claims
- Potassium Chloride15 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.
Bills Medicare through one group practice
- Aurora Medical Group, Inc.Oconomowoc, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alyssa Walker among 3,995 nurse practitioner records in Wisconsin
Alyssa Walker, 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 2023, is newer than 85% of them.
- NPI issued2023 · 85% of these records are older, 10% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2023 · median 2017 among the 2,701 with a school on file
- Record last updated2024 · 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).
11 nurse practitioner records list a practice address in Oconomowoc
They are 11 of the 506 NPPES records with a practice address in Oconomowoc, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Oconomowoc → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Jacqueline Akert, RNC, MSNSummit, WI 530661952339699
- Marie Bruce, APNPSummit, WI 530661760635692
- Judith Gresky, NPSummit, WI 530661962401794
- Carol Lagerman, APNPSummit, WI 530661821105313
- Danielle Leonard, A.P.N.P.Oconomowoc, WI 530661891771895
- Kimberly Lord, NPSummit, WI 530661669571303
- Meghan Luh, ARNPSummit, WI 530661780819326
- Megan Reid, NPSummit, WI 530661336468206
Common questions
What is Alyssa Walker, APNP's NPI number?
Alyssa Walker, APNP's National Provider Identifier (NPI) is 1093584328, issued on Dec 28, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa Walker, APNP located?
The NPPES record lists a practice address at 1284 N Summit Ave, Oconomowoc, WI, 53066. Phone: (262) 560-3700. Providers update this record themselves, so call before visiting.
How can I verify Alyssa Walker, APNP's license?
NPPES lists Wisconsin license number 14872, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Alyssa Walker, APNP prescribe under Medicare Part D?
In 2024, Alyssa Walker, APNP had 432 Medicare Part D claims for 178 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
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.