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TOMASZ R OKON MD
NPI 1497867667
Internal Medicine - Hospice and Palliative Medicine in Eau Claire, WI

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment
1400 BELLINGER ST, EAU CLAIRE, WI 54703(715) 838-5222 Get Directions Write a Review

NPPES record last updated: August 16, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 16, 2021, Sep 14, 2020, Jul 30, 2019 (3 updates tracked since 2019).

About Tomasz R Okon Md NPPES

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

TOMASZ R OKON MD (NPI 1497867667) is an individual hospice and palliative medicine provider in Eau Claire, Wisconsin, licensed in Wisconsin (44649) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Health System-franciscan Medical Center Inc, and maintains a secondary practice location in Marshfield.

NPPES Registry Identity

NPI1497867667
Entity TypeIndividualMale
Primary Taxonomy207RH0002X
Provider Legal NameTOMASZ R OKONCredential: MD
Location Address1400 BELLINGER STEau Claire, WI 54703
Mailing Address200 1st St SwRochester, MN 55905-1510 · (715) 838-5222
Phone(715) 838-5222
Sole ProprietorNo
Medical School CMSUniversity Of Toledo College Of MedicineGraduated 1997
Enumeration DateAugust 31, 2006
Last NPPES UpdateAugust 16, 20213 updates tracked since enumeration
NPPES CertifiedAugust 16, 2021
✔ NPI 1497867667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RH0002X
License✔ Licensed in WI · 44649
Definition
An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
Also ListedInternal MedicineTaxonomy 207R00000X · License 44649 (WI)
1400 BELLINGER ST, Eau Claire, WI 54703
Open in Google Maps ↗

Secondary Practice Location 1

Location 11000 N Oak AveMarshfield, WI 54449-5703 · Phone (715) 387-5511

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tomasz R Okon Md 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 ID8224046479
PECOS Enrollment IDI20091022000241
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Tomasz Okon reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mchs Hospitals Inc
1.3 mi
Clinic/Center
2310 CRAIG RD
Eau Claire, WI 54701
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,476 clinicians in this Medicare group
NPI 1316416035 (715) 858-8100
Mayo Clinic Health System-Northwest Wisconsin Region, Inc.
1.4 mi
Multi-Specialty
733 W CLAIREMONT AVE
Eau Claire, WI 54701
NPI 1235588831 (715) 838-5222
Marshfield Clinic Inc
66 mi
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,540 clinicians in this Medicare group
NPI 1952347981 (715) 387-5511
Mayo Clinic Health System-Southwest Wisconsin Region, Inc.
69 mi
Critical Access
310 W MAIN ST
Sparta, WI 54656
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1629056049 (Wisconsin)
  • 336 clinicians in this Medicare group
NPI 1841278637 (608) 269-2132

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

Areas of Expertise CMS Part B claims 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
66 services32 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
28 services27 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
20 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Mayo Clinic Health System-Franciscan Medical Center Inc

Acute Care Hospitals · La Crosse, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520004
Location700 West Avenue SouthLa Crosse, WI 54601 · La Crosse County
Emergency services Birthing friendly

Mayo Clinic Health System Eau Claire Hospital

Acute Care Hospitals · Eau Claire, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520070
Location1221 Whipple StEau Claire, WI 54703 · Eau Claire County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

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

ELLEN A CHRISTENSEN OT
Occupational Therapist
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222
JESSICA ERIN ROETS OT
Occupational Therapist
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222
SUZANNE M STEWART LPC
Counselor (Professional)
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222
KATHRYN LEIGH OLSON MHA, RD, LDN,CDE
Dietitian, Registered
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222
CAMILLA MICHELLE NELSON MD
Pediatrics
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222
SARAH HOTOVY MD
Family Medicine
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-3311
JADE ELLIE JEHN
Occupational Therapist
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222
ANDREA AGUAYO PHARMD
Pharmacist
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222

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 Tomasz Okon's NPI number?

The NPI number for Tomasz Okon is 1497867667. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Tomasz Okon located?

Tomasz Okon practices at 1400 Bellinger St, Eau Claire, WI 54703. The listed phone number is (715) 838-5222.

What is Tomasz Okon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.

Is Tomasz Okon enrolled in Medicare?

Yes. Tomasz Okon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Tomasz Okon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tomasz Okon reassigns Medicare benefits to 4 organizations: Mchs Hospitals Inc (Eau Claire, WI), Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Eau Claire, WI), Marshfield Clinic Inc (Marshfield, WI) and Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (Sparta, WI). 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 Tomasz Okon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tomasz Okon accept?

Health plans from Anthem Blue Cross and Blue Shield and Medica list Tomasz Okon 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.

Is Tomasz Okon affiliated with any hospitals?

According to CMS data, Tomasz Okon is affiliated with Mayo Clinic Health System-Franciscan Medical Center Inc and Mayo Clinic Health System Eau Claire Hospital.

When was this NPI record last updated?

The NPPES record for Tomasz Okon was last updated on August 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.