Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. KRISTIN ANN MCMILLAN APNP
NPI 1942644984
Nurse Practitioner in Milwaukee, WI

Active since April 22, 2013PECOS Enrolled
11333 W NATIONAL AVE, MILWAUKEE, WI 53227(414) 328-4580 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Kristin Ann Mcmillan Apnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. KRISTIN ANN MCMILLAN APNP (NPI 1942644984) is an individual nurse practitioner in Milwaukee, Wisconsin, licensed in Wisconsin (5271-033) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Wauwatosa.

NPPES Registry Identity

NPI1942644984
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. KRISTIN ANN MCMILLANCredential: APNP
Location Address11333 W NATIONAL AVEMilwaukee, WI 53227-3111
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Sole ProprietorNo
Enumeration DateApril 22, 2013
Last NPPES UpdateOctober 20, 2026
NPPES CertifiedOctober 20, 2026
✔ NPI 1942644984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in WI · 5271-033
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License 112672-030 (WI)
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 5271-33 (WI)
11333 W NATIONAL AVE, Milwaukee, WI 53227

Secondary Practice Location 1

Location 12727 N Mayfair Rd, Suite 1Wauwatosa, WI 53222-4400 · Phone (414) 773-6300

Other Identifiers 1

Medicaid100029599WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Kristin Ann Mcmillan Apnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Kristin Mcmillan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Obstetrics & Gynecology
8905 W LINCOLN AVE, SUITE 515
West Allis, WI 53227
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53227 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
11333 W NATIONAL AVE
MILWAUKEE, WI 53227
Nurse Practitioner
11333 W NATIONAL AVE
MILWAUKEE, WI 53227
Nurse Practitioner
11333 W NATIONAL AVE
MILWAUKEE, WI 53227
Dietitian, Registered
11333 W NATIONAL AVE
MILWAUKEE, WI 53227
Nurse Practitioner
11333 W NATIONAL AVE
MILWAUKEE, WI 53227
Home Health
11333 W NATIONAL AVE
WEST ALLIS, WI 53227
Hospice Care, Community Based
11333 W NATIONAL AVE
WEST ALLIS, WI 53227
Public Health or Welfare
11333 W NATIONAL AVE
WEST ALLIS, WI 53227

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kristin Mcmillan's NPI number?

The NPI number for Kristin Mcmillan is 1942644984. It was assigned to this individual provider in the NPPES registry on April 22, 2013.

Where is Kristin Mcmillan located?

Kristin Mcmillan practices at 11333 W National Ave, Milwaukee, WI 53227. The listed phone number is (414) 328-4580.

What is Kristin Mcmillan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Kristin Mcmillan enrolled in Medicare?

Yes. Kristin Mcmillan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kristin Mcmillan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Mcmillan reassigns Medicare benefits to Aurora Medical Group, Inc. (West Allis, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kristin Mcmillan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kristin Mcmillan accept?

Health plans from CareSource (Common Ground Healthcare) and UnitedHealthcare list Kristin Mcmillan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kristin Mcmillan was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.