Michael Walsh, DO
NPI 1437110343 · Rheumatology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Walsh, DO is a Rheumatology Physician provider in Madison, WI (NPI 1437110343).
Provider details
- NPI number
- 1437110343
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 37176 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,150 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 434 | $100 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 282 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 203 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 131 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 46 | $71 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 699 | 147 |
| Methotrexate Sodiumbrand: Methotrexate | 428 | 87 |
| Hydroxychloroquine Sulfate | 327 | 86 |
| Leflunomide | 171 | 33 |
| Etanerceptbrand: Enbrel Sureclick | 146 | 17 |
| Celecoxib | 99 | 25 |
| Allopurinol | 96 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-30
- Last updated
- 2020-12-31
- Certified
- 2020-12-31
Frequently asked questions
- What is Michael Walsh's NPI number?
- Michael Walsh's National Provider Identifier (NPI) is 1437110343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Walsh's specialty?
- Michael Walsh is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Walsh located?
- Michael Walsh's practice location on file with NPPES is 1 S Park St, Madison, WI 53715.
- What is Michael Walsh's phone number?
- The practice phone number listed in the NPPES registry for Michael Walsh is (608) 287-2800.
- Does Michael Walsh accept Medicare?
- Michael Walsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Walsh's NPI active?
- Yes — Michael Walsh's NPI (1437110343) is active in the NPPES registry as of the last update on 2020-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.