Roger Gregush, DO
NPI 1164942413 · Orthopaedic Surgery Physician · Wausau, WI
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roger Gregush, DO is a Orthopaedic Surgery Physician provider in Wausau, WI (NPI 1164942413).
Provider details
- NPI number
- 1164942413
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- OT017570 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
479 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 82 | $121 |
| X-Ray of Knee, 3 Views73562 | 77 | $39 |
| X-Ray of Hip, 2-3 Views73502 | 75 | $45 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 48 | $88 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 32 | $106 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 185 | 140 |
| Mupirocin | 184 | 173 |
| Ondansetronbrand: Ondansetron Odt | 153 | 140 |
| Cefadroxil | 117 | 108 |
| Naproxen | 102 | 95 |
| Meloxicam | 83 | 40 |
| Doxycycline Monohydrate | 45 | 32 |
| Amoxicillin | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,663 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
Additional practice locations (1)
- 5515 Peach StErie, PA 16509-2603Phone: (814) 868-8217
Registry dates
- Enumerated
- 2017-06-27
- Last updated
- 2023-08-02
- Certified
- 2023-08-02
Frequently asked questions
- What is Roger Gregush's NPI number?
- Roger Gregush's National Provider Identifier (NPI) is 1164942413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Gregush's specialty?
- Roger Gregush is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Gregush located?
- Roger Gregush's practice location on file with NPPES is 225000 Hummingbird Rd Ste 100, Wausau, WI 54401-2950.
- What is Roger Gregush's phone number?
- The practice phone number listed in the NPPES registry for Roger Gregush is (800) 445-6442.
- Does Roger Gregush accept Medicare?
- Roger Gregush is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roger Gregush's NPI active?
- Yes — Roger Gregush's NPI (1164942413) is active in the NPPES registry as of the last update on 2023-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.