Melissa Walker, NP
NPI 1811182074 · Nurse Practitioner · Waukesha, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Walker, NP is a Nurse Practitioner provider in Waukesha, WI (NPI 1811182074).
Provider details
- NPI number
- 1811182074
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 504-033 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-09-11
- Last updated
- 2011-10-26
Frequently asked questions
- What is Melissa Walker's NPI number?
- Melissa Walker's National Provider Identifier (NPI) is 1811182074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Walker's specialty?
- Melissa Walker is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa Walker located?
- Melissa Walker's practice location on file with NPPES is 725 American Ave, Waukesha, WI 53188-5031.
- What is Melissa Walker's phone number?
- The practice phone number listed in the NPPES registry for Melissa Walker is (262) 928-2570.
- Does Melissa Walker accept Medicare?
- Melissa Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Walker's NPI active?
- Yes — Melissa Walker's NPI (1811182074) is active in the NPPES registry as of the last update on 2011-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.