Alyssa Walker, APNP

  • Milwaukee, WI
  • Nurse practitioner
NPI1093584328PAC ID4587007109
Medicare patients, 2024
169
Part D claims, 2024
432
Hospital affiliations
2
Industry payments
$58
Medical group
1
Practice address
8901 W Lincoln Ave, West Allis, WI 53227
Practice phone
Call (414) 328-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Aurora West Allis Medical Center

Hospital · West Allis, Wisconsin

See all 5 affiliations

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Alyssa Walker is a nurse practitioner in Milwaukee, Wisconsin

Alyssa Walker practices at Aurora West Allis Medical Center in West Allis, Wisconsin, part of Advocate Health.

Alyssa Walker's NPI, 1093584328, was assigned on December 28, 2023. Alyssa Walker graduated from Duke University School of Medicine in 2023. Alyssa Walker holds Wisconsin license 14872.

NPI and contact details
Medicare PAC ID
4587007109
NPI enumeration date
December 28, 2023
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(414) 328-6000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
29
Medical school graduation
2023

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Alyssa Walker practices at Aurora West Allis Medical Center in West Allis, Wisconsin

Alyssa Walker's primary practice is Aurora West Allis Medical Center, at 8901 W Lincoln Ave, West Allis, WI 53227 in Milwaukee County. The practice phone is (414) 328-6000.

Source: Dmand AI Affiliation Data

Alyssa Walker is affiliated with 4 sites of care and 1 medical group

Alyssa Walker's primary practice is Aurora West Allis Medical Center in West Allis, Wisconsin, part of Advocate Health. Alyssa Walker is also affiliated with Aurora Medical Center - Summit. The medical group on file is Aurora Medical Group. Dmand AI also links Alyssa Walker to 1 more group practice or clinic and 1 hospital outpatient department, each named with a free account.

See all 5 affiliations for Alyssa Walker

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Alyssa Walker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Alyssa Walker practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Aurora West Allis Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Alyssa Walker is one of 3,198 nurse practitioners in Wisconsin

Nurse practitioner is Alyssa Walker's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Alyssa Walker is licensed in Wisconsin.

Specialties and state licenses

  • Nurse practitioner, WisconsinPrimaryLicense 245836 · taxonomy 363L00000X

Nurse practitioners near Alyssa Walker

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Alyssa Walker treated 169 Medicare patients in 2024, average age 75

CMS counts 169 Medicare patients who saw Alyssa Walker in 2024. The largest group is 65 to 74, with 70 patients. 72% of them have high blood pressure, and 67% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Alyssa Walker's median patient age at 46, with 71% women.

Medicare patients, 2024169
Average age75
Average risk score1.25
Also on Medicaid11%

Alyssa Walker's Medicare patients by age, 2024

Alyssa Walker's Medicare patients by sex, 2024

  • Women10160%
  • Men6840%

Chronic conditions among Alyssa Walker's Medicare patients, 2024

  1. High blood pressure72%
  2. High cholesterol67%
  3. Arthritis51%
  4. Chronic kidney disease26%
  5. Ischemic heart disease24%
  6. Diabetes23%
  7. Anxiety20%
  8. Mood disorders20%

Share of Medicare patients with each condition. A patient can have several.

Alyssa Walker's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 46

Patient panel by sex, all payers

  • Women71%
  • Men29%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Alyssa Walker wrote 432 Medicare Part D claims in 2024

In 2024, Alyssa Walker wrote 432 Medicare Part D claims for 178 patients. 90% of them were for generic drugs.

Part D claims, 2024432
Part D patients178

Alyssa Walker's Part D claims by kind of drug, 2024

  • Generic388 claims90%
  • Brand-name44 claims10%

Drug classes CMS tracks in Alyssa Walker's Part D claims, 2024

  • Antibiotics19%82 of 432 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Alyssa Walker takes part in Medicare

Alyssa Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Alyssa Walker received $58 in industry payments in 2025

CMS Open Payments shows 1 general payment to Alyssa Walker from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. AtriCure, Inc. paid the most, $58.

Companies that paid Alyssa Walker the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Alyssa Walker

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Alyssa Walker graduated from Duke University School of Medicine

Alyssa Walker graduated from Duke University School of Medicine in 2023.

  1. Medical schoolDuke University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Alyssa Walker's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Alyssa Walker

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Alyssa Walker's NPI number?

Alyssa Walker's NPI number is 1093584328. It was assigned on December 28, 2023, and it is active in the NPI Registry.

What does Alyssa Walker specialize in?

Alyssa Walker is a nurse practitioner in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Alyssa Walker practice?

Alyssa Walker practices at 8901 W Lincoln Ave, West Allis, WI 53227. Alyssa Walker's primary practice is Aurora West Allis Medical Center in West Allis, Wisconsin, part of Advocate Health. Dmand AI also links Alyssa Walker to 1 group practice or clinic and 1 hospital outpatient department.

What is Alyssa Walker's office phone number?

The practice phone on file for Alyssa Walker is (414) 328-6000.

What is Alyssa Walker's medical license number?

Alyssa Walker holds Wisconsin license 14872.

Which hospitals is Alyssa Walker affiliated with?

Alyssa Walker practices at Aurora West Allis Medical Center in West Allis, Wisconsin. Alyssa Walker is also affiliated with Aurora Medical Center - Summit.

What medical group is Alyssa Walker part of?

Alyssa Walker is linked to Aurora Medical Group.

Does Alyssa Walker accept Medicare?

Yes. CMS lists Alyssa Walker as accepting Medicare assignment.

How many Medicare patients does Alyssa Walker see?

CMS counts 169 Medicare patients who saw Alyssa Walker in 2024, with an average age of 75.

Where did Alyssa Walker go to medical school?

Alyssa Walker graduated from Duke University School of Medicine in 2023.

Has Alyssa Walker received payments from drug or device companies?

CMS Open Payments shows $58 in general payments to Alyssa Walker from 1 company from 2025 to 2025. The largest total came from AtriCure, Inc.

How long has Alyssa Walker been practicing?

Alyssa Walker graduated from medical school in 2023, 3 years ago.

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