Dr. Mark Louden, MD
Emergency Medicine (Emergency Medicine Physician)
- Medicare participating
At a glance
- Medical school
- Duke University School of Medicine (1985)
- Years since graduation
- 41
- In the NPI registry since
- 2005
- Medicare patients seen, 2024
- 729
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
- 1985Medical school: Duke University School of Medicine
- 2005Registered 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
-
Emergency Medicine Physician primary
FL license ME109541 · NC license 9800317
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Providence St. Jude Medical Center Fullerton, CA
- Kaiser Foundation Hospital - Orange County - Anaheim Anaheim, CA
Medical groups
- Desert Medical Group Inc (74 clinicians)
- St Jude Emergency Medical Group Inc (21 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
- 729
- Services billed
- 1,092
- Patients’ average age
- 77
| Service | Times | Patients |
|---|---|---|
| Emergency department visit with high level of medical decision making | 423 | 415 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 300 | 292 |
| Emergency department visit with moderate level of medical decision making | 158 | 153 |
| Critical care, first 30-74 minutes | 131 | 130 |
| Emergency department visit with low level of medical decision making | 21 | 21 |
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 |
|---|---|
| Hydrocodone-Acetaminophen (hydrocodone/acetaminophen) Other prescribers in Miami, FL | 87 |
| Cefdinir Other prescribers in Miami, FL | 83 |
| Ondansetron Odt (ondansetron) Other prescribers in Miami, FL | 75 |
| Ibuprofen Other prescribers in Miami, FL | 41 |
| Cephalexin Other prescribers in Miami, FL | 35 |
| Tramadol Hcl Other prescribers in Miami, FL | 27 |
| Prednisone Other prescribers in Miami, FL | 25 |
| Famotidine Other prescribers in Miami, FL | 24 |
| Meclizine Hcl Other prescribers in Miami, FL | 24 |
| Cyclobenzaprine Hcl Other prescribers in Miami, FL | 22 |
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, 1 companies reported 2 payments worth $71.00 in total to this clinician.
| Stryker Corporation | $71.00 |
|---|
| Food and Beverage | $71.00 |
|---|
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.