JOHN M FILZ P.A.
NPI 1447205794
Physician Assistant - Medical in Lac Du Flambeau, WI

Q: What is John Filz's NPI number?

The NPI number for John Filz is 1447205794. It was assigned to this individual provider in the NPPES registry on May 24, 2006.

Q: What is John Filz's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Q: When was this NPI record last updated?

The NPPES record for John Filz was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 24, 2006PECOS EnrolledAccepts Medicare Assignment

450 OLD ABE RD, LAC DU FLAMBEAU, WI 54538(715) 588-3371(715) 588-7884 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

On this page

About John M Filz P.a. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN M FILZ P.A. (NPI 1447205794) is an individual medical provider in Lac Du Flambeau, Wisconsin, licensed in Wisconsin (568-023) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center - Weston, and is a graduate of University Of Wisconsin School Of Medicine (1989).

NPPES Registry Identity

NPI1447205794

Entity TypeIndividualMale

Primary Taxonomy363AM0700X

Provider Legal NameJOHN M FILZCredential: P.A.

Location Address450 OLD ABE RDLac Du Flambeau, WI 54538-9682

Mailing Address409 3rd Ave.Hurley, WI 54534 · (715) 561-3962

Phone(715) 588-3371

Fax(715) 588-7884

Sole ProprietorNo

Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 1989

Enumeration DateMay 24, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1447205794 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

License✔ Licensed in WI · 568-023

450 OLD ABE RD, Lac Du Flambeau, WI 54538

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Other Identifiers 1

Medicaid42923500WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan, Network Health, Security Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John M Filz P.a. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567698327

PECOS Enrollment IDI20131126001659

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

83 services54 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

81 services53 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

72 services49 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

71 services51 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

68 services43 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

57 services44 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Marshfield Medical Center - Weston

Acute Care Hospitals · Weston, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520202

Location3400 Ministry ParkwayWeston, WI 54476 · Marathon County

Emergency services Birthing friendly

Marshfield Medical Center - Minocqua

Acute Care Hospitals · Minocqua, WI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520212

Location9576 Highway 70Minocqua, WI 54548 · Oneida County

Emergency services Birthing friendly

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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