Dr. Michael J. Alexander, M.D.
Neurosurgery (Neurological Surgery Physician)
127 S. San Vicente Blvd., Suite A6600
Los Angeles, CA 90048
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 (1991)
- Years since graduation
- 35
- In the NPI registry since
- 2007
- Medicare patients seen, 2024
- 154
Licensed in California since 1993, 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. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is
Education and training
- 1991Medical school: Georgetown University School of Medicine
- 2007Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier
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
-
Neurological Surgery Physician primary
CA license G77195 (first issued 1993; current) · NC license 2000-01051 -
Diagnostic Radiology Physician
NC license 2000-01051 -
Vascular & Interventional Radiology Physician
CA license G77195 (first issued 1993; current)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Cedars-Sinai Medical Center Los Angeles, CA
Medical groups
- Cedars-Sinai Medical Center (799 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
- 154
- Services billed
- 446
- Patients’ average age
- 73
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 20-29 minutes | 67 | 63 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 39 | 20 |
| New patient office or other outpatient visit, 30-44 minutes | 38 | 38 |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 29 | 27 |
| Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist | 27 | 22 |
| Imaging of blood vessel | 25 | 16 |
| Insertion of tube into brain artery for diagnosis or treatment with review by radiologist | 24 | 20 |
| Ultrasonic guidance for blood vessel access | 22 | 18 |
| Occlusion of central nervous system or spinal cord artery | 17 | 16 |
| Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist | 11 | 11 |
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 6 payments worth $8,676 in total to this clinician.
| Stryker Corporation | $8,629 |
|---|---|
| Imperative Care, Inc | $47.14 |
| Consulting Fee | $6,975 |
|---|---|
| Travel and Lodging | $1,506 |
| Food and Beverage | $195 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Stryker Corporation Apr 4, 2025 | Consulting Fee NEUROFORM ATLAS; GATEWAY · STENT | $6,975 |
| Stryker Corporation Apr 4, 2025 | Travel and Lodging NEUROFORM ATLAS; GATEWAY · STENT · travel to HONOLULU, CA | $735 |
| Stryker Corporation Apr 4, 2025 | Travel and Lodging NEUROFORM ATLAS; GATEWAY · STENT · travel to LOS ANGELES, CA | $575 |
| Stryker Corporation Apr 4, 2025 | Travel and Lodging NEUROFORM ATLAS; GATEWAY · STENT · travel to HONOLULU, CA | $196 |
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.
Industry-funded research
Named as a principal investigator on 1 industry-funded study in 2025, from 1 company. The companies reported $26,796 in research payments for these studies, mostly to the institutions running them.
- The citadel embolization device feasibility study
Stryker Corporation
From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.