Frederick George Joachim, M.D.
Diagnostic Radiology Physician · Green Bay, WI
Frederick George Joachim, M.D. is a diagnostic radiology physician with a practice address in Green Bay, Wisconsin, and NPI 1669738043, issued on Apr 10, 2012. Check the license (Wisconsin 61446, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Frederick George Joachim
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 61446 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2941 S Ridge RD, Green Bay, WI 54304
- Phone
- (920) 336-4096
- Enumerated
- Apr 10, 2012
- Record last updated
- Mar 15, 2024
- Fax
- (920) 336-8093
- Medicaid ID
- 1669738043 WI
- Medicare enrollment
- Enrolled (PECOS I20170616000178); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2012
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,005 in Wisconsin → Look up another NPI →
Also registered at 2941 S Ridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tyler Bailey, MDDiagnostic Radiology Physician1447480256
- David Balison, MDDiagnostic Radiology Physician1245307719
- Elisabeth Ballard, MDDiagnostic Radiology Physician1760543532
- Dennis Bielke, MDDiagnostic Radiology Physician1073668059
- Robert Davison, MDNuclear Imaging & Therapy Physician1992749824
- Mehul Doshi, MDDiagnostic Radiology Physician1578514287
Verify Frederick George Joachim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 61446Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 7 group practices
- Dean Health Systems IncMadison, WI
- Gbr Sheboygan LLCSheboygan, WI
- Green Bay Radiology SCGreen Bay, WI
- Madison Radiologists S CMadison, WI
- Radiology Associates OF The Fox Valley SCSturgeon Bay, WI
- St Vincent Hospital-Hospital Sisters-Third Order OF St FrancisLuxemburg, WI
- St. Nicholas Hospital-Sisters OF The Third Order OF St FrancisSheboygan, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frederick George Joachim among 1,005 diagnostic radiology physician records in Wisconsin
Frederick George Joachim, M.D. is one of 1,005 diagnostic radiology physician records with a practice address in Wisconsin. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 73% of them.
- NPI issued2012 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2012 · median 2006 among the 664 with a school on file
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 diagnostic radiology physician records list a practice address in Green Bay
They are 53 of the 4,619 NPPES records with a practice address in Green Bay, and 1,005 diagnostic radiology physician records in Wisconsin.
All 1,005 in Wisconsin → Every provider in Green Bay → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- David Balison, MDGreen Bay, WI 543041245307719
- Elisabeth Ballard, MDGreen Bay, WI 543041760543532
- Dennis Bielke, MDGreen Bay, WI 543041073668059
- Mehul Doshi, MDGreen Bay, WI 543041578514287
- Henry Feider, MDGreen Bay, WI 543041407901481
- Meghan Hanson, M.D.Green Bay, WI 543041073559647
- William Mallory, M.D.Green Bay, WI 543041083630776
- Jeremy McCue, MDGreen Bay, WI 543041033187927
Common questions
What is Frederick George Joachim, M.D.'s NPI number?
Frederick George Joachim, M.D.'s National Provider Identifier (NPI) is 1669738043, issued on Apr 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Frederick George Joachim, M.D. located?
The NPPES record lists a practice address at 2941 S Ridge RD, Green Bay, WI, 54304. Phone: (920) 336-4096. Providers update this record themselves, so call before visiting.
How can I verify Frederick George Joachim, M.D.'s license?
NPPES lists Wisconsin license number 61446, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.