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- 1284 N Summit Ave, Oconomowoc, WI 53066
About Alyssa Walker
Listed in the NPI registry as a nurse practitioner, Alyssa Walker, APNP practices in Oconomowoc, WI. Alyssa graduated from Duke University School of Medicine in 2023. Alyssa is also listed as specializing in registered nurse and nurse practitioner — family. According to Medicare claims data, Alyssa cared for 194 Medicare patients across 245 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. NPI 1093584328 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (262) 560-3700
- Email not available
Practice Locations
1284 N SUMMIT AVE
Oconomowoc, WI 53066
Procedures Most Often Billed to Medicare
245 services · 194 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
187 | More often than most peers in Nurse Practitioner |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
30 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
28 | As often as other peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 21 related providers in 3 groups
Other nurse practitioners in Oconomowoc 6
Same specialty, same city.
Trained at Duke University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2023 at Duke University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Common questions
What does Alyssa Walker specialize in?
Alyssa Walker is a nurse practitioner in Oconomowoc, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Alyssa Walker located?
Alyssa Walker is listed at 1284 N Summit Ave, Oconomowoc, WI 53066. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Alyssa Walker's phone number?
The number on file is (262) 560-3700. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Alyssa Walker's NPI number?
Alyssa Walker's National Provider Identifier is 1093584328. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Alyssa Walker train?
Alyssa Walker attended Duke University School of Medicine, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How long has Alyssa Walker been practicing?
Alyssa Walker has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What does Alyssa Walker do most often?
According to Medicare billing data, Alyssa Walker the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Alyssa Walker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Alyssa Walker. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.