John M. Filz, P.A.
Medical Physician Assistant · Lac Du Flambeau, WI
John M. Filz, P.A. is a medical physician assistant with a practice address in Lac Du Flambeau, Wisconsin, and NPI 1447205794, issued on May 24, 2006. Check the license (Wisconsin 568-023, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John M. Filz
- Credential
- P.A.
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 568-023 WI
Self-reported in NPPES; status is on the state search - Practice location
- 450 Old Abe RD, Lac Du Flambeau, WI 54538
- Phone
- (715) 588-3371
- Enumerated
- May 24, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (715) 588-7884
- Medicaid ID
- 42923500 WI
- Medicare enrollment
- Enrolled (PECOS I20131126001659); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1989
- Entity
- Type 1 · individual
Also registered at 450 Old Abe RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Bauknecht, RDHDental Hygienist1225291867
- Barbara Beutler, DDSDentist1760596688
- Michael Boushon, R.PH.Pharmacist1376598946
- Christine Fonger, RDHDental Hygienist1316221468
- Heather Fortin, R.D.,C.D.,C.S.C.S.Registered Dietitian1114958378
- Melvyn Golden, D.D.S.General Practice Dentistry1568551737
Verify John M. Filz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 568-023Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average medical physician assistant in 2024
3,472 Medicare Part D claims for 122 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 38 claims were for opioids.
Most prescribed
- Atorvastatin Calcium323 claims
- Lisinopril188 claims
- Levothyroxine Sodium171 claims
- Metoprolol Succinate143 claims
- Losartan Potassium134 claims
- Omeprazole124 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: $21.57
1 payment: food and beverage; the largest payer was Astellas Pharma US Inc. The 16,165 providers of this specialty with any payment received $1,055.00 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
- Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc.Woodruff, WI
- Lac DU Flambeau Band OF Lake Superior Chippewa IndiansLac Du Flambeau, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1 medical physician assistant records list a practice address in Lac Du Flambeau
They are 1 of the 83 NPPES records with a practice address in Lac Du Flambeau, and 687 medical physician assistant records in Wisconsin.
Other medical physician assistant records in Wisconsin
- Carmen Adams, PASparta, WI1972001881
- Darian Adler, PA-CLa Crosse, WI1841951258
- Sarah Affeldt, PACMadison, WI1508814351
- Jennifer Albrecht, PA-CLa Crosse, WI1659851376
- Sarah Almonroeder, PA-COnalaska, WI1598049322
- Kelsey Alt, PAMadison, WI1366097040
- Jessica Altis, PA-CWest Allis, WI1841587029
- Jordan Alward, PA-CMadison, WI1366928384
- Anne Anderson, PAMilwaukee, WI1285685701
- Isabelle Anderson, PAFranklin, WI1023845427
Common questions
What is John M. Filz, P.A.'s NPI number?
John M. Filz, P.A.'s National Provider Identifier (NPI) is 1447205794, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John M. Filz, P.A. located?
The NPPES record lists a practice address at 450 Old Abe RD, Lac Du Flambeau, WI, 54538. Phone: (715) 588-3371. Providers update this record themselves, so call before visiting.
How can I verify John M. Filz, P.A.'s license?
NPPES lists Wisconsin license number 568-023, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does John M. Filz, P.A. prescribe under Medicare Part D?
In 2024, John M. Filz, P.A. had 3,472 Medicare Part D claims for 122 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.