Quick answers
- Does Ernest L. Prudente accept Medicare assignment?
- Medicare's clinician data says Ernest L. Prudente may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Ernest L. Prudente see?
- In 2024, CMS data shows 232 Original Medicare patients and 2,610 services for Ernest L. Prudente. This counts Original Medicare only and measures volume, not quality.
- What is Ernest L. Prudente's NPI number?
- 1033136510. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Ernest L. Prudente, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 232 |
|---|---|
| Services billed to Medicare | 2,610 |
| Different services or procedures | 84 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)282 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)173 services
- Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)159 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)135 services
- Insertion of needle into vein for collection of blood sample (36415)125 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure62%
- Arthritis54%
- Ischemic heart disease38%
- Anxiety21%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)20%
Hospitals where Ernest L. Prudente works
Medicare's Facility Affiliation Data lists Ernest L. Prudente at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050625
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050262
- Saint John's Health CenterSanta Monica, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050290
Practice locations
Addresses where Ernest L. Prudente is enrolled with Medicare (CMS data updated October 2, 2026).
- 2121 Wilshire Blvd, Suite 304Santa Monica, CA 90403 (310) 829‑7762
Group practices
Medicare enrollment lists Ernest L. Prudente as a member of this group (CMS data updated October 2, 2026).
- Westside Internal Medicine8 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Other clinicians in Westside Internal Medicine
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann University College Of Medicine |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1033136510 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians