MRS. AMBER KATHLYN MILLER APRN
NPI 1043947609
Nurse Practitioner - Family in Watertown, WI
About Mrs. Amber Kathlyn Miller Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. AMBER KATHLYN MILLER APRN (NPI 1043947609) is an individual family provider in Watertown, Wisconsin, licensed in Wisconsin (255470) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Amber Kathlyn Miller Aprn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Amber Miller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Watertown, WI 53098
- Reassigned Medicare billing, Wisconsin enrollment
- 215 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Wisconsin enrollment
- 1,155 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.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Waukesha Memorial Hospital
Acute Care Hospitals · Waukesha, WIMercy Health System Corp
Acute Care Hospitals · Janesville, WIWatertown Memorial Hospital
Acute Care Hospitals · Watertown, WIMercy Walworth Hospital & Medical Center
Critical Access Hospitals · Lake Geneva, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53098 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Amber Miller's NPI number?
The NPI number for Amber Miller is 1043947609. It was assigned to this individual provider in the NPPES registry on August 4, 2022.
Where is Amber Miller located?
Amber Miller practices at 125 Hospital Dr, Watertown, WI 53098. The listed phone number is (920) 262-4495.
What is Amber Miller's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Amber Miller enrolled in Medicare?
Yes. Amber Miller is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Amber Miller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amber Miller reassigns Medicare benefits to 2 organizations: Watertown Physician Practices LLC (Watertown, WI) and Mercy Health System Corporation (Janesville, WI). Each 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 Amber Miller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amber Miller accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), MercyCare and MercyCare Health Plans list Amber Miller 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.
Is Amber Miller affiliated with any hospitals?
According to CMS data, Amber Miller is affiliated with Waukesha Memorial Hospital, Mercy Health System Corp, Watertown Memorial Hospital and Mercy Walworth Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Amber Miller was last updated on August 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Mrs. Amber Kathlyn Miller, APRN · NPI 1043947609
Family physician in Watertown, Wisconsin. Individual provider, active in the CMS NPPES registry since August 4, 2022.
## Identity
- **NPI:** 1043947609 (Entity type: Individual)
- **Enumerated:** August 4, 2022
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 255470 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 125 HOSPITAL DR, Watertown, WI 53098-3303
- **Phone:** (920) 262-4495
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Watertown Physician Practices LLC (NPI 1225412265, Watertown, WI); Mercy Health System Corporation (NPI 1093768962, Janesville, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** August 4, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1043947609) · Data from the CMS NPPES public registry.