Geffrey E. Cavallin, MD
Hospitalist Physician · Green Bay, WI
Geffrey E. Cavallin, MD is a hospitalist physician with a practice address in Green Bay, Wisconsin, and NPI 1225061625, issued on Jul 8, 2006. Check the license (Wisconsin 42743, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Geffrey E. Cavallin
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 42743 WI
Self-reported in NPPES; status is on the state search - Practice location
- 835 S Van Buren St, Green Bay, WI 54301
- Phone
- (920) 496-4700
- Enumerated
- Jul 8, 2006
- Record last updated
- Mar 8, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (920) 431-3267
- Medicaid ID
- 34031700 WI
- Medicare enrollment
- Enrolled (PECOS I20040223000161); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 894 in Wisconsin → Look up another NPI →
Also registered at 835 S Van Buren St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zaheer Akhtar, DOHospitalist Physician1366002966
- Richard Amankwah, MDHospitalist Physician1164712741
- Joel Ament, MDPediatric Critical Care Medicine Physician1861425456
Verify Geffrey E. Cavallin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 42743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- St Vincent Hospital-Hospital Sisters-Third Order OF St FrancisGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geffrey E. Cavallin among 894 hospitalist physician records in Wisconsin
Geffrey E. Cavallin, MD is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 81% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated1992 · median 2011 among the 768 with a school on file
- Record last updated2019 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 hospitalist 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 894 hospitalist physician records in Wisconsin.
All 894 in Wisconsin → Every provider in Green Bay → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Ndidiamaka Agu, M.DGreen Bay, WI 543011760636070
- Zaheer Akhtar, DOGreen Bay, WI 543011366002966
- Richard Amankwah, MDGreen Bay, WI 543011164712741
- Paul Baillargeon, D.O.Green Bay, WI 543011598907875
- Todd Gallion, MDGreen Bay, WI 543011528084498
- Ravindra Hanumaiah, M.D.Green Bay, WI 543011740237775
- Abdul Mohsin, M.D.Green Bay, WI 543011265679724
- Sandeep Patri, M.DGreen Bay, WI 543011730592189
Common questions
What is Geffrey E. Cavallin, MD's NPI number?
Geffrey E. Cavallin, MD's National Provider Identifier (NPI) is 1225061625, issued on Jul 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Geffrey E. Cavallin, MD located?
The NPPES record lists a practice address at 835 S Van Buren St, Green Bay, WI, 54301. Phone: (920) 496-4700. Providers update this record themselves, so call before visiting.
How can I verify Geffrey E. Cavallin, MD's license?
NPPES lists Wisconsin license number 42743, 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.
What is Geffrey E. Cavallin, MD's MIPS final score?
The 2023 MIPS final score is 94.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.