MR. SEAN P WITTE OTR
NPI 1023252046
Occupational Therapist in Marshfield, WI

Active since April 21, 2009
MARSHFIELD CLINIC, 1000 N OAK AVENUE, MARSHFIELD, WI 54449(715) 221-5511(715) 389-0626 Get Directions Write a Review

NPPES record last updated: March 21, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Mr. Sean P Witte Otr NPPES

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

MR. SEAN P WITTE OTR (NPI 1023252046) is an individual occupational therapist in Marshfield, Wisconsin, licensed in Wisconsin (2377-26) and active in the NPI registry since April 2009. He maintains a secondary practice location in Duluth.

NPPES Registry Identity

NPI1023252046
Entity TypeIndividualMale
Primary Taxonomy225X00000X
Provider Legal NameMR. SEAN P WITTECredential: OTR
Location AddressMARSHFIELD CLINIC, 1000 N OAK AVENUEMarshfield, WI 54449-5703
Mailing Address1506 N Central AveDuluth, MN 55807-1358 · (218) 343-1904
Fax(715) 389-0626
Sole ProprietorNo
Enumeration DateApril 21, 2009
Last NPPES UpdateMarch 21, 2025
NPPES CertifiedMarch 20, 2025
✔ NPI 1023252046 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
License✔ Licensed in WI · 2377-26
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
MARSHFIELD CLINIC, Marshfield, WI 54449

Secondary Practice Location 1

Location 11506 N Central AveDuluth, MN 55807-1358 · Phone (218) 343-1904

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Sean P Witte Otr is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

6

Medicare enrollment records show Sean Witte reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,540 clinicians in this Medicare group
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1952890873 (Wisconsin)
  • 2,476 clinicians in this Medicare group
Clinical Medical Laboratory
216 SUNSET PL, MEMORIAL HOSPITAL, INC
Neillsville, WI 54456
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1346239373 (Wisconsin)
  • 1,283 clinicians in this Medicare group
Clinic/Center
806 2ND ST
Chetek, WI 54728
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,616 clinicians in this Medicare group
Clinic/Center
98 SHERRY AVE
Park Falls, WI 54552
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1700963048 (Wisconsin)
  • 1,351 clinicians in this Medicare group
Family Medicine
180 GATEWAY DR
Waupun, WI 53963
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,447 clinicians in this Medicare group

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

Other Providers at the Same Location NPPES 4

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

Obstetrics & Gynecology
MARSHFIELD CLINIC, 1000 N OAK AVENUE
MARSHFIELD, WI 54449
Physician Assistant
MARSHFIELD CLINIC, 1000 N OAK AVENUE
MARSHFIELD, WI 54449
Hospitalist
MARSHFIELD CLINIC, 1000 N OAK AVE
MARSHFIELD, WI 54449
Optometrist
MARSHFIELD CLINIC, 1000 N OAK AVENUE
MARSHFIELD, WI 54449

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 Sean Witte's NPI number?

The NPI number for Sean Witte is 1023252046. It was assigned to this individual provider in the NPPES registry on April 21, 2009.

Where is Sean Witte located?

Sean Witte practices at Marshfield Clinic 1000 N Oak Avenue, Marshfield, WI 54449. The listed phone number is (715) 221-5511.

What is Sean Witte's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Sean Witte enrolled in Medicare?

Yes. Sean Witte is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sean Witte's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Witte reassigns Medicare benefits to 6 organizations: Marshfield Clinic Inc (Marshfield, WI), Mchs Hospitals Inc (Marshfield, WI), Memorial Hospital, Inc (Neillsville, WI), Lakeview Medical Center Inc Of Rice Lake (Chetek, WI), Flambeau Hospital Inc (Park Falls, WI) and 1 more organization, listed in the Medicare section above. Each 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 Sean Witte's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sean Witte accept?

Health plans from Medica and Sanford Health Plan list Sean Witte 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 Sean Witte was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.