FREDERICK GEORGE JOACHIM III M.D.
NPI 1669738043
Radiology - Diagnostic Radiology in Green Bay, WI
About Frederick George Joachim Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FREDERICK GEORGE JOACHIM III M.D. (NPI 1669738043) is an individual diagnostic radiology provider in Green Bay, Wisconsin, licensed in Wisconsin (61446) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with St Nicholas Hospital, and maintains a secondary practice location in Madison.
NPPES Registry Identity
Specialties & Licenses
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
Frederick George Joachim Iii M.d. 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
9Medicare enrollment records show Frederick Joachim reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Green Bay, WI 54304
- Reassigned Medicare billing, Wisconsin enrollment
- 26 clinicians in this Medicare group
Green Bay, WI 54304
- Reassigned Medicare billing, Wisconsin enrollment
- 742 clinicians in this Medicare group
Neenah, WI 54956
- Reassigned Medicare billing, Wisconsin enrollment
- 84 clinicians in this Medicare group
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 673 clinicians in this Medicare group
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 28 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 63 clinicians in this Medicare group
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 1,377 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 48
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Nicholas Hospital
Acute Care Hospitals · Sheboygan, WISt Vincent Hospital
Acute Care Hospitals · Green Bay, WISt Mary's Hospital Medical Center
Acute Care Hospitals · Green Bay, WIHshs St Clare Memorial Hospital
Critical Access Hospitals · Oconto Falls, WIDoor County Medical Center
Critical Access Hospitals · Sturgeon Bay, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54304 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.
Reported Quality Measures
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 Frederick Joachim's NPI number?
The NPI number for Frederick Joachim is 1669738043. It was assigned to this individual provider in the NPPES registry on April 10, 2012.
Where is Frederick Joachim located?
Frederick Joachim practices at 2941 S Ridge Rd, Green Bay, WI 54304. The listed phone number is (920) 336-4096.
What is Frederick Joachim's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Frederick Joachim enrolled in Medicare?
Yes. Frederick Joachim 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 Frederick Joachim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frederick Joachim reassigns Medicare benefits to 9 organizations: Green Bay Radiology Sc (Green Bay, WI), St Vincent Hospital-Hospital Sisters-Third Order Of St Francis (Green Bay, WI), Radiology Associates Of The Fox Valley, Sc (Neenah, WI), St. Nicholas Hospital-Sisters Of The Third Order Of St Francis (Sheboygan, WI), Gbr Sheboygan LLC (Sheboygan, WI) and 4 more organizations, listed in the Medicare section above. 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 Frederick Joachim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Frederick Joachim accept?
Health plans from CareSource (Common Ground Healthcare) list Frederick Joachim 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 Frederick Joachim affiliated with any hospitals?
According to CMS data, Frederick Joachim is affiliated with St Nicholas Hospital, St Vincent Hospital, St Mary's Hospital Medical Center, Hshs St Clare Memorial Hospital and Door County Medical Center.
When was this NPI record last updated?
The NPPES record for Frederick Joachim was last updated on March 15, 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.