Derek Orton, MD
NPI 1790742724 · Orthopaedic Surgery Physician · Greenfield, WI
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Orton, MD is a Orthopaedic Surgery Physician provider in Greenfield, WI (NPI 1790742724).
Provider details
- NPI number
- 1790742724
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 49025 (WI)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
295 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 | 174 | $83 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 47 | $104 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 38 | $117 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $152 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 17 | $156 |
Typical Medicare-allowed amounts for these services range $83–$156 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 165 | 46 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 97 | 24 |
| Tizanidine Hcl | 78 | 31 |
| Oxycodone Hcl | 75 | 25 |
| Gabapentin | 69 | 32 |
| Tramadol Hcl | 50 | 12 |
| Pregabalin |
Practice location
Mailing address
Additional practice locations (1)
- 2801 W Kinnickinnic River PkwySuite 345Milwaukee, WI 53215-3669Phone: (414) 649-7900
Registry dates
- Enumerated
- 2006-04-26
- Last updated
- 2024-04-01
- Certified
- 2024-04-01
Frequently asked questions
- What is Derek Orton's NPI number?
- Derek Orton's National Provider Identifier (NPI) is 1790742724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Orton's specialty?
- Derek Orton is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Orton located?
- Derek Orton's practice location on file with NPPES is 9000 W Sura Ln, Greenfield, WI 53228-3477.
- What is Derek Orton's phone number?
- The practice phone number listed in the NPPES registry for Derek Orton is (262) 329-2225.
- Does Derek Orton accept Medicare?
- Derek Orton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Orton's NPI active?
- Yes — Derek Orton's NPI (1790742724) is active in the NPPES registry as of the last update on 2024-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.