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MARK J. PENSIS CHIROPRACTIC, S.C.
NPI 1558429613
Chiropractor in Clintonville, WI

Active since December 04, 2006
275 S MAIN ST, CLINTONVILLE, WI 54929(715) 823-2912 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mark J. Pensis Chiropractic, S.c. NPPES

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

MARK J. PENSIS CHIROPRACTIC, S.C. (NPI 1558429613) is a healthcare organization registered as a chiropractor in Clintonville, Wisconsin and active in the NPI registry since December 2006. The organization lists Shannon Helen Tremper, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1558429613
Entity TypeOrganization
Primary Taxonomy111N00000X
Legal Business NameMARK J. PENSIS CHIROPRACTIC, S.C.
Location Address275 S MAIN STClintonville, WI 54929-1604
Mailing AddressPo Box 266Clintonville, WI 54929-0266 · (715) 823-2912
Phone(715) 823-2912
Organization SubpartNo
Authorized OfficialShannon Helen TremperOffice Manager · (715) 823-2912
Enumeration DateDecember 4, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1558429613 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in WI · 2292-012
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
275 S MAIN ST, Clintonville, WI 54929
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Other Identifiers 3

Medicaid38833800WI
Other6264WI · Network
Other391524586016WI · Blue Cross

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, HealthPartners.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark J. Pensis Chiropractic, S.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Mark J. Pensis Chiropractic, S.C., which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Abbie Fetter, DC
Chiropractic
NPI 1760287676
275 S MAIN ST
Clintonville, WI 54929
(715) 823-2912
✔ Accepts MedicareSame address
Michael Fetter, DC
Chiropractic
NPI 1518612837
N110 BRUX RD
Appleton, WI 54915
(920) 968-0464
✔ Accepts Medicare33 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark J. Pensis Chiropractic, S.C.'s NPI number?

The NPI number for Mark J. Pensis Chiropractic, S.C. is 1558429613. It was assigned to this organization in the NPPES registry on December 4, 2006.

Where is Mark J. Pensis Chiropractic, S.C. located?

Mark J. Pensis Chiropractic, S.C. is located at 275 S Main St, Clintonville, WI 54929. The listed phone number is (715) 823-2912.

What is Mark J. Pensis Chiropractic, S.C.'s specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Mark J. Pensis Chiropractic, S.C. enrolled in Medicare?

Yes. Mark J. Pensis Chiropractic, S.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mark J. Pensis Chiropractic, S.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Chiropractic, reassign their Medicare billing to Mark J. Pensis Chiropractic, S.C.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Mark J. Pensis Chiropractic, S.C. accept?

Health plans from Anthem Blue Cross and Blue Shield and HealthPartners list Mark J. Pensis Chiropractic, S.C. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark J. Pensis Chiropractic, S.C. was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.