JAMES E QUACKENBUSH MD
NPI 1568488658
Family Medicine in Sun Prairie, WI
About James E Quackenbush Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES E QUACKENBUSH MD (NPI 1568488658) is an individual family medicine provider in Sun Prairie, Wisconsin, licensed in Wisconsin (40227-020) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Sanford School Of Medicine Of University Of South Dakota (1996).
NPPES Registry Identity
Specialties & Licenses
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
James E Quackenbush Md 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 Reassignment
Medicare enrollment records show James Quackenbush reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Madison, WI 53718
- Reassigned Medicare billing, Wisconsin enrollment
- 2 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 53590 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.
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 James Quackenbush's NPI number?
The NPI number for James Quackenbush is 1568488658. It was assigned to this individual provider in the NPPES registry on July 14, 2006.
Where is James Quackenbush located?
James Quackenbush practices at 2501 Ironwood Dr Apt 227, Sun Prairie, WI 53590. The listed phone number is (609) 658-4508.
What is James Quackenbush's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is James Quackenbush enrolled in Medicare?
Yes. James Quackenbush 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 organization bills Medicare for James Quackenbush's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Quackenbush reassigns Medicare benefits to Wisconsin Hyperbaric Oxygen LLC (Madison, 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 James Quackenbush'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 James Quackenbush was last updated on May 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# James E Quackenbush, MD · NPI 1568488658
Family Medicine physician in Sun Prairie, Wisconsin. Individual provider, active in the CMS NPPES registry since July 14, 2006.
## Identity
- **NPI:** 1568488658 (Entity type: Individual)
- **Enumerated:** July 14, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 40227-020 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2501 IRONWOOD DR APT 227, Sun Prairie, WI 53590-8836
- **Phone:** (609) 658-4508
## 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:** Wisconsin Hyperbaric Oxygen LLC (NPI 1003172800, Madison, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Sanford School Of Medicine Of University Of South Dakota, class of 1996
## Record status
- **NPPES last updated:** May 22, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1568488658) · Data from the CMS NPPES public registry.