Doctor profile · Federal record

Dr. Michael Claessens, MD

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

  • NPI 1962514133
  • Accepts Medicare
  • 34 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 54449
(715) 387-5134
Mailing address
200 1St St Sw
Rochester, MN 559050001

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 18, 2024
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207RH0002X — NUCC code
State license (1)
Wisconsin #40683

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962514133. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
59
Distinct HCPCS
3
Medicare allowed
$4,193
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 28 15 $47
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 17 16 $76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 14 11 $114

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 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
0
Total drug cost
$2,085
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 39 0 $1,339
Methadone Hcl Generic 12 0 $746

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Claessens's medical specialty?
Dr. Michael Claessens practices Hospice and Palliative Medicine (Internal Medicine) Physician in Eau Claire, WI.
Where does Dr. Michael Claessens practice?
Dr. Michael Claessens practices at 1400 Bellinger St, Eau Claire, WI 54703. Office phone: 7158385222.
What is Dr. Michael Claessens's NPI?
Dr. Michael Claessens's National Provider Identifier (NPI) is 1962514133, issued by NPPES.
Does Dr. Michael Claessens accept Medicare assignment?
Yes. Dr. Michael Claessens accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Claessens commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.