DR. BARTLETT J WITHERSPOON JR. MD
NPI 1295717973
Radiology - Radiation Oncology in Monroe, WI
About Dr. Bartlett J Witherspoon Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BARTLETT J WITHERSPOON JR. MD (NPI 1295717973) is an individual radiation oncology provider in Monroe, Wisconsin, licensed in South Carolina (7243) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Columbia.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Bartlett J Witherspoon Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Bartlett Witherspoon reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Monroe, WI 53566
- Reassigned Medicare billing, Wisconsin enrollment
- 376 clinicians in this Medicare group
Madison, WI 53713
- Reassigned Medicare billing, Wisconsin enrollment
- 11 clinicians in this Medicare group
Adams, WI 53910
- Reassigned Medicare billing, Wisconsin enrollment
- 397 clinicians in this Medicare group
Stevens Point, WI 54482
- Reassigned Medicare billing, Wisconsin enrollment
- 633 clinicians in this Medicare group
Columbia, SC 29210
- Reassigned Medicare billing, South Carolina enrollment
- 35 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 53566 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 Bartlett Witherspoon's NPI number?
The NPI number for Bartlett Witherspoon is 1295717973. It was assigned to this individual provider in the NPPES registry on November 17, 2005.
Where is Bartlett Witherspoon located?
Bartlett Witherspoon practices at 515 22nd Ave, Monroe, WI 53566. The listed phone number is (608) 324-1000.
What is Bartlett Witherspoon's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Bartlett Witherspoon enrolled in Medicare?
Yes. Bartlett Witherspoon is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Bartlett Witherspoon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bartlett Witherspoon reassigns Medicare benefits to 5 organizations: The Monroe Clinic, Inc. (Monroe, WI), Shared Magnetic Resonance Imaging Facility, Inc (Madison, WI), Aspirus Riverview Hospital & Clinics, Inc. (Adams, WI), Aspirus Wausau Hospital, Inc. (Stevens Point, WI) and South Carolina Oncology Assoc PA (Columbia, SC). 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 Bartlett Witherspoon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Bartlett Witherspoon was last updated on July 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Bartlett J Witherspoon Jr., MD · NPI 1295717973
Radiation Oncology physician in Monroe, Wisconsin. Individual provider, active in the CMS NPPES registry since November 17, 2005.
## Identity
- **NPI:** 1295717973 (Entity type: Individual)
- **Enumerated:** November 17, 2005
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** 7243 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 515 22ND AVE, Monroe, WI 53566-1569
- **Phone:** (608) 324-1000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): The Monroe Clinic, Inc. (NPI 1386720548, Monroe, WI); Shared Magnetic Resonance Imaging Facility, Inc (NPI 1780640532, Madison, WI); Aspirus Riverview Hospital & Clinics, Inc. (NPI 1114411287, Adams, WI); Aspirus Wausau Hospital, Inc. (NPI 1275886749, Stevens Point, WI); South Carolina Oncology Assoc PA (NPI 1467406918, Columbia, SC) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 10, 2023
- **Other identifiers:** Medicaid 072432 (SC)
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Source: [NPI Profile](https://npiprofile.com/npi/1295717973) · Data from the CMS NPPES public registry.