Michael Anderson, MD
NPI 1558353243 · Orthopaedic Surgery Physician · Grafton, WI
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Anderson, MD is a Orthopaedic Surgery Physician provider in Grafton, WI (NPI 1558353243).
Provider details
- NPI number
- 1558353243
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35450 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
417 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 86 | $52 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 80 | $85 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 59 | $60 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 44 | $104 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $118 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians and |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 117 | 104 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 37 | 28 |
| Meloxicam | 27 | — |
| Oxycodone Hcl | 13 | — |
| Tizanidine Hcl | 13 | — |
| Tramadol Hcl | 13 | — |
| Gabapentin | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60,865 across 19 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-18
- Last updated
- 2021-11-19
- Certified
- 2021-11-19
Frequently asked questions
- What is Michael Anderson's NPI number?
- Michael Anderson's National Provider Identifier (NPI) is 1558353243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Anderson's specialty?
- Michael Anderson is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Anderson located?
- Michael Anderson's practice location on file with NPPES is 975 Port Washington Road, Grafton, WI 53024-9201.
- What is Michael Anderson's phone number?
- The practice phone number listed in the NPPES registry for Michael Anderson is (262) 387-8300.
- Does Michael Anderson accept Medicare?
- Michael Anderson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Anderson's NPI active?
- Yes — Michael Anderson's NPI (1558353243) is active in the NPPES registry as of the last update on 2021-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.