Dr. Matthew Carroll
Hospitalist (Hospitalist Physician)
1250 16th St # C2304
Santa Monica, CA 90404
Who else practices at this address →
Los Angeles County includes primary care (7% of residents) and mental health (13% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- Georgetown University School of Medicine (2019)
- Years since graduation
- 7
- In the NPI registry since
- 2019
- Medicare patients seen, 2024
- 155
Licensed in California since 2022, 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
- 2019Medical school: Georgetown University School of Medicine
- 2019Registered with an NPI (national billing number; not a license date)
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
-
Hospitalist Physician primary
CA license A177194 (first issued 2022; current) -
Internal Medicine Physician
CA license A177194 (first issued 2022; current)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Ronald Reagan UCLA Medical Center Los Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic Hospital Santa Monica, CA
Medical groups
- The Regents of the University of California (1,462 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
- 155
- Services billed
- 391
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 119 | 110 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 15 | 14 |
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.
Payments from drug and device companies
In 2025, 2 companies reported 2 payments worth $111 in total to this clinician.
| Kite Pharma, Inc. | $83.40 |
|---|---|
| Alexion Pharmaceuticals, Inc. | $27.47 |
| Food and Beverage | $111 |
|---|
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.