Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Ernest L. Prudente, MD

Works at hospitals in Los Angeles, CA · Santa Monica, CA · California

Summary

Dr. Ernest L. Prudente, MD is an internal medicine doctor at 2121 Wilshire Blvd, Suite 304, Santa Monica, CA 90403. Phone: (310) 829-7762. May accept Medicare assignment. In 2024, Ernest L. Prudente had 232 Original Medicare patients and 2,610 services. NPI 1033136510. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Ernest L. Prudente, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

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 patients232
Services billed to Medicare2,610
Different services or procedures84
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)282 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)173 services
  3. Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)159 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)135 services
  5. 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.

Practice locations

Addresses where Ernest L. Prudente is enrolled with Medicare (CMS data updated October 2, 2026).

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

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Santa Monica

Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.

All internal medicine doctors in Santa Monica →

Other clinicians in Westside Internal Medicine

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolHahnemann University College Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1033136510
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians