Doctor profile · Federal record

Dr. Tomasz Okon, MD

Hospice and Palliative Medicine (Internal Medicine) Physician (CMS: Hospice/Palliative Care) · Internal Medicine Physician · Eau Claire, WI

  • NPI 1497867667
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1400 Bellinger St
Eau Claire, WI 54703
(715) 838-5222
Additional location
1000 N Oak Ave
Marshfield, WI 544495703
(715) 387-5511
Mailing address
200 1St St Sw
Rochester, MN 559051510

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
August 16, 2021
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RH0002X — NUCC code
State license (1)
Wisconsin #44649

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497867667. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
138
Distinct HCPCS
4
Medicare allowed
$15,893
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 51 29 $114
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 44 40 $166
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 27 14 $76
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 16 12 $47

In context: peer comparison

Among 3 peers in Eau Claire Hospice and Palliative Medicine (Internal Medicine) Physician, average services per provider: 28. This provider delivers 4.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$410
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 11 0 $410

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tomasz Okon's medical specialty?
Dr. Tomasz Okon practices Hospice and Palliative Medicine (Internal Medicine) Physician in Eau Claire, WI.
Where does Dr. Tomasz Okon practice?
Dr. Tomasz Okon practices at 1400 Bellinger St, Eau Claire, WI 54703. Office phone: 7158385222.
What is Dr. Tomasz Okon's NPI?
Dr. Tomasz Okon's National Provider Identifier (NPI) is 1497867667, issued by NPPES.
Does Dr. Tomasz Okon accept Medicare assignment?
Yes. Dr. Tomasz Okon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tomasz Okon commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.