KATHERINE SHANON MCQUILLAN APNP
NPI 1285913277
Nurse Practitioner - Psychiatric/Mental Health in Lancaster, WI
About Katherine Shanon Mcquillan Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE SHANON MCQUILLAN APNP (NPI 1285913277) is an individual psychiatric/mental health provider in Lancaster, Wisconsin, licensed in Wisconsin (4494-33) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS, is affiliated with Grant Regional Health Center, and maintains a secondary practice location in Platteville.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 2
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
Katherine Shanon Mcquillan Apnp 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 Katherine Mcquillan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lancaster, WI 53813
- Reassigned Medicare billing, Wisconsin enrollment
- 53 clinicians in this Medicare group
Lancaster, WI 53813
- Reassigned Medicare billing, Wisconsin enrollment
- 175 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Grant Regional Health Center
Critical Access Hospitals · Lancaster, WISouthwest Health Center
Critical Access Hospitals · Platteville, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53813 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.
LANCASTER, WI 53813
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 Katherine Mcquillan's NPI number?
The NPI number for Katherine Mcquillan is 1285913277. It was assigned to this individual provider in the NPPES registry on August 9, 2011.
Where is Katherine Mcquillan located?
Katherine Mcquillan practices at 507 S Monroe St, Lancaster, WI 53813. The listed phone number is (608) 723-2131.
What is Katherine Mcquillan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Katherine Mcquillan enrolled in Medicare?
Yes. Katherine Mcquillan 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 Katherine Mcquillan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Mcquillan reassigns Medicare benefits to 2 organizations: Grant Regional Health Center, Inc. (Lancaster, WI) and Southwest Health Center, Inc. (Lancaster, 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 Katherine Mcquillan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Mcquillan accept?
Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Group Health Cooperative-SCW, HealthPartners and Quartz and 1 other insurer list Katherine Mcquillan 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 Katherine Mcquillan affiliated with any hospitals?
According to CMS data, Katherine Mcquillan is affiliated with Grant Regional Health Center and Southwest Health Center.
When was this NPI record last updated?
The NPPES record for Katherine Mcquillan was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Katherine Shanon Mcquillan, APNP · NPI 1285913277
Psychiatric/Mental Health physician in Lancaster, Wisconsin. Individual provider, active in the CMS NPPES registry since August 9, 2011.
## Identity
- **NPI:** 1285913277 (Entity type: Individual)
- **Enumerated:** August 9, 2011
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 4494-33 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 507 S MONROE ST, Lancaster, WI 53813-2054
- **Phone:** (608) 723-2131
## 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): Grant Regional Health Center, Inc. (NPI 1255339867, Lancaster, WI); Southwest Health Center, Inc. (NPI 1962974485, Lancaster, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** September 23, 2025
- **Other identifiers:** Medicaid 100016627 (WI); Medicaid 100370402 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1285913277) · Data from the CMS NPPES public registry.