Doctor profile · Federal record

Dr. Michael Walsh, DO

Rheumatology Physician (CMS: Rheumatology) · Madison, WI

  • NPI 1437110343
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 S Park St
Madison, WI 53715
(608) 287-2800
fax (608) 287-2316
Mailing address
7974 Uw Health CT
Middleton, WI 535625531

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
December 31, 2020
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Wisconsin #37176

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437110343. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
995
Distinct HCPCS
7
Medicare allowed
$65,067
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 452 302 $115
36415 Insertion of needle into vein for collection of blood sample 258 140 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 169 78 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 53 46 $81
81001 Manual urinalysis test with examination using microscope, automated 28 19 $3
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $149
99215 Established patient office or other outpatient visit, 40-54 minutes 12 12 $158

In context: peer comparison

Among 14 peers in Madison Rheumatology Physician, average services per provider: 118. This provider delivers 8.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,323
Patients
476
Total drug cost
$2,788,026
Drug Type Claims Patients Total cost
Prednisone Generic 667 144 $6,326
Methotrexate (Methotrexate Sodium) Brand 402 94 $10,386
Hydroxychloroquine Sulfate Generic 326 81 $16,783
Leflunomide Generic 160 31 $9,506
Enbrel Sureclick (Etanercept) Brand 151 18 $1,202,863
Sulfasalazine Generic 87 16 $2,035
Celecoxib Generic 84 22 $3,949
Allopurinol Generic 68 20 $699
Alendronate Sodium Generic 61 22 $672
Humira(Cf) Pen (Adalimumab) Brand 59 0 $416,075

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Walsh's medical specialty?
Dr. Michael Walsh practices Rheumatology Physician in Madison, WI.
Where does Dr. Michael Walsh practice?
Dr. Michael Walsh practices at 1 S Park St, Madison, WI 53715. Office phone: 6082872800.
What is Dr. Michael Walsh's NPI?
Dr. Michael Walsh's National Provider Identifier (NPI) is 1437110343, issued by NPPES.
Does Dr. Michael Walsh accept Medicare assignment?
Yes. Dr. Michael Walsh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Walsh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.