Dr. Joseph Mitchell IV, M.D.
Orthopedic Surgery (Orthopaedic Surgery Physician)
- Medicare participating
At a glance
- Years since graduation
- 11
- In the NPI registry since
- 2015
- Medicare patients seen, 2024
- 171
Licensed in California since 2020, according to the Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2015Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Orthopaedic Surgery Physician primary
WI license 66203 -
Adult Reconstructive Orthopaedic Surgery Physician
CA license A167659 (first issued 2020; current)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- UC San Diego Health Hillcrest - Hillcrest Med Ctr San Diego, CA
Medical groups
- Regents of the University of California (2,089 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 171
- Services billed
- 287
- Patients’ average age
- 73
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 20-29 minutes | 85 | 81 |
| New patient office or other outpatient visit, 30-44 minutes | 50 | 50 |
| Established patient office or other outpatient visit, 30-39 minutes | 44 | 40 |
| Replacement of thigh bone and hip joint with prosthesis | 42 | 42 |
| Replacement of knee joint, both sides of knee | 32 | 31 |
| Aspiration and/or injection of fluid from large joint | 24 | 24 |
| New patient office or other outpatient visit, 45-59 minutes | 19 | 19 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Mupirocin Other prescribers in Madison, WI | 113 |
| Celecoxib Other prescribers in Madison, WI | 30 |
| Oxycodone Hcl Other prescribers in Madison, WI | 23 |
| Tramadol Hcl Other prescribers in Madison, WI | 15 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 6 companies reported 20 payments worth $8,138 in total to this clinician.
| Medical Device Business Services, Inc. | $7,152 |
|---|---|
| Zimmer Biomet Holdings, Inc. | $372 |
| Stryker Corporation | $307 |
| Globus Medical, Inc. | $161 |
| Biocomposites Inc | $128 |
| Organogenesis Inc. | $19.30 |
| Consulting Fee | $6,848 |
|---|---|
| Food and Beverage | $1,270 |
| Travel and Lodging | $20.61 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Medical Device Business Services, Inc. Jun 10, 2025 | Consulting Fee | $6,848 |
| Medical Device Business Services, Inc. Jun 10, 2025 | Travel and Lodging travel to San Diego, CA | $20.61 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.