Chad Aaron Hills, DO
Orthopedic Surgery · Tucson, AZ
At a glance
5301 E Grant Rd, Tucson, AZ 85712-2805
Published activity: Hip replacement · Knee replacement · Lower limb (leg) arthroscopy (minimally invasive joint repair). View counts and coverage
NPPES record updated Nov 7, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
5301 E Grant RdTucson, AZ 85712-2805
Additional reported practice locations
10833 Le Conte AveLos Angeles, CA 90095
Phone: 3103191234 5301 E Grant Rd Bldg 1
Tucson, AZ 85712
Phone: 5207846200
Fax: 5207846109 5301 E Grant Rd Bldg 1
Tucson, AZ 85712
Phone: 5207846200
Fax: 5207846109 340 S Willard St
Cottonwood, AZ 863264126
Phone: 9286497960
Education & affiliations
- Medical / professional school
- Arizona College Of Osteopathic Medicine Mid Western University
- Graduation year
- 2008
- CMS specialties
- Orthopedic Surgery
Practice groups
Reported hospital affiliations
- Benson Hospital Benson, AZ
- Canyon Vista Medical Center Sierra Vista, AZ
- Mt. Graham Regional Medical Center Safford, AZ
- Tucson Medical Center Tucson, AZ
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Hip replacement | 83 |
| Knee replacement | 97 |
| Lower limb (leg) arthroscopy (minimally invasive joint repair) | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $316.76 |
Reporting companies
| Company | Amount |
|---|---|
| STRYKER CORPORATION | $219.12 |
| HERON THERAPEUTICS, INC. | $80.47 |
| SMITH+NEPHEW, INC. | $17.17 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Orthopedic Surgery
- Taxonomy code
- 207X00000X
- Enumeration date
- Jul 1, 2008
- Record updated
- Nov 7, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- DO
Reported taxonomies and licenses
207X00000X
License reported: 20A16113 CA
207X00000X · Primary
License reported: 007948 AZ
207X00000X
License reported: 689 NE
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
5301 E Grant RdTucson, AZ 85712-2805
- Phone
- (520) 784-6200
- Fax
- (520) 784-6109
Mailing address
PO BOX 31630TUCSON, AZ 857511630
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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