Chad Aaron Hills, DO
NPI 1801058656ActiveIndividual· Orthopaedic Surgery· Tucson, AZ
Orthopaedic Surgery (DO) in Tucson, Arizona, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2008). 663 Medicare patients in 2024, $311,583 paid; nearly all of their 479 Part D prescriptions were generic (99%). Stryker Corporation was the largest of 3 companies reporting payments in 2025, $316.76 in all, mostly food and beverage.
Overview
| NPI | 1801058656 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 1, 2008 |
| Last updated in NPPES | Nov 7, 2024 |
| Certified by provider | Nov 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 007948 | AZ |
| Orthopaedic Surgery | 207X00000X | 20A16113 | CA |
| Orthopaedic Surgery | 207X00000X | 689 | NE |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 663 |
|---|---|
| Services billed | 4,212 across 64 procedure codes |
| Paid by Medicare | $311,583 |
Part D prescriptions in 2024
| Prescriptions (claims) | 479 · 487 30-day fills |
|---|---|
| Patients | 247 |
| Total drug cost | $4,248 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Tucson Orthopaedic Institute Professional CorporationOro Valley, AZ · 111 clinicians
Hospital affiliations
- Benson HospitalBenson, AZ
- Canyon Vista Medical CenterSierra Vista, AZ
- Mt. Graham Regional Medical CenterSafford, AZ
- Tucson Medical CenterTucson, AZ
Other facilities
- Enhabit Home HealthHome health agency · Tucson, AZ
Industry payments (Open Payments)
- 2025$316.76 · 4 payments from 3 companies
- 2024$533.70 · 6 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $219.12 | 2 |
| Heron Therapeutics, Inc. | $80.47 | 1 |
| Smith+nephew, Inc. | $17.17 | 1 |
What the 2025 payments were for
- Food and Beverage$316.76 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 98 orthopedic surgeons in Tucson · All orthopedic surgeons in Arizona