Michael Viau, MD
NPI 1134180722 · Orthopaedic Surgery Physician · Mansfield, OH
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Viau, MD is a Orthopaedic Surgery Physician provider in Mansfield, OH (NPI 1134180722).
Provider details
- NPI number
- 1134180722
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35050088V (OH)
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
867 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 526 | $88 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 125 | $108 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 113 | $98 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 103 | $72 |
Typical Medicare-allowed amounts for these services range $72–$108 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 419 | 133 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 257 | 91 |
| Tramadol Hcl | 104 | 40 |
| Cyclobenzaprine Hcl | 53 | 21 |
| Gabapentin | 48 | 15 |
| Methylprednisolone | 48 | 43 |
| Diclofenac Sodium | 27 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-31
- Last updated
- 2022-01-25
- Certified
- 2021-09-10
Frequently asked questions
- What is Michael Viau's NPI number?
- Michael Viau's National Provider Identifier (NPI) is 1134180722, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Viau's specialty?
- Michael Viau is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Viau located?
- Michael Viau's practice location on file with NPPES is 335 Glessner Ave, Mansfield, OH 44903-2269.
- What is Michael Viau's phone number?
- The practice phone number listed in the NPPES registry for Michael Viau is (419) 756-8899.
- Does Michael Viau accept Medicare?
- Michael Viau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Viau's NPI active?
- Yes — Michael Viau's NPI (1134180722) is active in the NPPES registry as of the last update on 2022-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.