Rance Jay Hafner, MD
Family Medicine Physician · Green Bay, WI
Rance Jay Hafner, MD is a family medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1841274669, issued on Dec 5, 2005. Check the license (Wisconsin 37502, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Rance Jay Hafner
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 37502 WI
Self-reported in NPPES; status is on the state search - Practice location
- 744 S Webster Ave, Green Bay, WI 54301
- Phone
- (920) 433-3500
- Enumerated
- Dec 5, 2005
- Record last updated
- Feb 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040303000600); accepts Medicare assignment
- Medical or professional school
- University Of North Dakota School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 744 S Webster Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rance Jay Hafner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
595 Medicare Part D claims for 257 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Mupirocin214 claims
- Triamcinolone Acetonide113 claims
- Gentamicin Sulfate110 claims
- Ciprofloxacin Hcl24 claims
- Cephalexin22 claims
- Ssd22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $294.62
4 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Bellin Memorial Hospital IncGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rance Jay Hafner among 3,765 family medicine physician records in Wisconsin
Rance Jay Hafner, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1992 · median 2007 among the 2,347 with a school on file
- Record last updated2014 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
94 family medicine physician records list a practice address in Green Bay
They are 94 of the 4,619 NPPES records with a practice address in Green Bay, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Green Bay → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Barry Daughtry, M.D.Green Bay, WI 543011871526012
- Joseph Dobson, DOGreen Bay, WI 543011861486896
- Pamela FalconGreen Bay, WI 543011124680764
- Tracy Gallagher, MDGreen Bay, WI 543011447276316
- Barbara Harkness, M.D.Green Bay, WI 543011104899657
- Stephen Hathway, MDGreen Bay, WI 543011821311184
- Abigail Klein, APNPGreen Bay, WI 543011942198064
- Daniel Koster, MD SCGreen Bay, WI 543011992789689
Common questions
What is Rance Jay Hafner, MD's NPI number?
Rance Jay Hafner, MD's National Provider Identifier (NPI) is 1841274669, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rance Jay Hafner, MD located?
The NPPES record lists a practice address at 744 S Webster Ave, Green Bay, WI, 54301. Phone: (920) 433-3500. Providers update this record themselves, so call before visiting.
How can I verify Rance Jay Hafner, MD's license?
NPPES lists Wisconsin license number 37502, 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.
How much does Rance Jay Hafner, MD prescribe under Medicare Part D?
In 2024, Rance Jay Hafner, MD had 595 Medicare Part D claims for 257 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.