Floyd Wayne Elftman, FNP
Family Nurse Practitioner · Greenfield, WI
Floyd Wayne Elftman, FNP is a family nurse practitioner with a practice address in Greenfield, Wisconsin, and NPI 1275656597, issued on Apr 10, 2007. Check the license (Wisconsin 1697-033, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Floyd Wayne Elftman
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 1697-033 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4131 W Loomis RD, Greenfield, WI 53221
- Phone
- (414) 325-7246
- Enumerated
- Apr 10, 2007
- Record last updated
- Nov 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (414) 325-3770
- Medicare enrollment
- Enrolled (PECOS I20050127000468); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at 4131 W Loomis RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin Amiot, AUDAudiologist-Hearing Aid Fitter1730336074
- Marco Araujo, MDAnesthesiology Physician1417092073
- Scott Aschenbrener, M.D.Anesthesiology Physician1104809961
- Rochelle Beine, FNP-BCFamily Nurse Practitioner1730434200
- Nina Bendre, APNPNurse Practitioner1225381445
- Tanya Bonson, NP-CNurse Practitioner1750738498
Verify Floyd Wayne Elftman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 1697-033Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.0 times the Medicare Part D claims of the average family nurse practitioner in 2024
6,479 Medicare Part D claims for 469 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 4,702 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen1,747 claims
- Oxycodone-Acetaminophen948 claims
- Oxycodone Hcl864 claims
- Tizanidine Hcl374 claims
- Morphine Sulfate Er354 claims
- Gabapentin347 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $199.09
11 payments; by number, the most common kind was food and beverage; the largest payer was Collegium Pharmaceutical, Inc. The 99,489 providers of this specialty with any payment received $650.95 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 2 group practices
- Advantage Physical Therapy And Sports Rehab, LLCShorewood, WI
- Pain Physicians OF Wisconsin SCWaukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Floyd Wayne Elftman among 2,814 family nurse practitioner records in Wisconsin
Floyd Wayne Elftman, FNP is one of 2,814 family nurse practitioner records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 10% of them.
- NPI issued2007 · 10% of these records are older, 86% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1999 · median 2019 among the 1,740 with a school on file
- Record last updated2014 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 family nurse practitioner records list a practice address in Greenfield
They are 31 of the 961 NPPES records with a practice address in Greenfield, and 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Greenfield → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Rochelle Beine, FNP-BCGreenfield, WI 532211730434200
- Araceli Gonzalez, FNP-BCMilwaukee, WI 532211861086480
- Joan Kaczinski, NPMilwaukee, WI 532211255484325
- Julie Karczewski, APNPGreenfield, WI 532211568653350
- Hope Kelling, FNP-C, APNPGreenfield, WI 532211710946926
- Safia KhanMilwaukee, WI 532211134925597
- Joanne Kostowicz-Volm, APNPGreenfield, WI 532211255403028
- Shana Lebanowski, FNPMilwaukee, WI 532211184329377
Common questions
What is Floyd Wayne Elftman, FNP's NPI number?
Floyd Wayne Elftman, FNP's National Provider Identifier (NPI) is 1275656597, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Floyd Wayne Elftman, FNP located?
The NPPES record lists a practice address at 4131 W Loomis RD, Greenfield, WI, 53221. Phone: (414) 325-7246. Providers update this record themselves, so call before visiting.
How can I verify Floyd Wayne Elftman, FNP's license?
NPPES lists Wisconsin license number 1697-033, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Floyd Wayne Elftman, FNP prescribe under Medicare Part D?
In 2024, Floyd Wayne Elftman, FNP had 6,479 Medicare Part D claims for 469 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Floyd Wayne Elftman, FNP's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.