CAELIN ROUNTREE APNP
NPI 1982386975
Nurse Practitioner in Greenfield, WI
About Caelin Rountree Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAELIN ROUNTREE APNP (NPI 1982386975) is an individual nurse practitioner in Greenfield, Wisconsin, licensed in Wisconsin (14335-33) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and maintains a secondary practice location in Milwaukee.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Caelin Rountree 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 Caelin Rountree reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Francis, WI 53235
- Reassigned Medicare billing, Wisconsin enrollment
- 960 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 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.
Aurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIFroedtert Memorial Lutheran Hospital
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53220 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Caelin Rountree's NPI number?
The NPI number for Caelin Rountree is 1982386975. It was assigned to this individual provider in the NPPES registry on August 1, 2023.
Where is Caelin Rountree located?
Caelin Rountree practices at 4448 W Loomis Rd, Greenfield, WI 53220. The listed phone number is (414) 281-5150.
What is Caelin Rountree's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Caelin Rountree enrolled in Medicare?
Yes. Caelin Rountree 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 Caelin Rountree's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caelin Rountree reassigns Medicare benefits to 2 organizations: Lakeshore Medical Clinic, LLC (Saint Francis, WI) and The Medical College Of Wisconsin, Inc. (Milwaukee, 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 Caelin Rountree's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Caelin Rountree accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Caelin Rountree 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 Caelin Rountree affiliated with any hospitals?
According to CMS data, Caelin Rountree is affiliated with Aurora St Lukes Medical Center and Froedtert Memorial Lutheran Hospital.
When was this NPI record last updated?
The NPPES record for Caelin Rountree was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Caelin Rountree, APNP · NPI 1982386975
Nurse Practitioner physician in Greenfield, Wisconsin. Individual provider, active in the CMS NPPES registry since August 1, 2023.
## Identity
- **NPI:** 1982386975 (Entity type: Individual)
- **Enumerated:** August 1, 2023
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 14335-33 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 4448 W LOOMIS RD, Greenfield, WI 53220-4800
- **Phone:** (414) 281-5150
## 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): Lakeshore Medical Clinic, LLC (NPI 1003861188, Saint Francis, WI); The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** December 29, 2025
- **Other identifiers:** Medicaid 100281266 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1982386975) · Data from the CMS NPPES public registry.