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Diagnostic Radiology

Joel D. McLouth, MD

Works at hospitals in Orange, CA · California

Summary

Dr. Joel D. McLouth, MD is a radiologist at 101 The City Dr S, Orange, CA 92868. Phone: (714) 456-7004. Accepts Medicare assignment. In 2024, Joel D. McLouth had 204 Original Medicare patients and 538 services. NPI 1811492754. 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.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 101 The City Dr S, Orange, CA 92868 · Directions
  • Phone: (714) 456‑7004
  • Medicare: Accepts Medicare assignment
  • Hospital: UCI Health-Orange
  • Group practice: UC Regents
  • Medical school: Oregon Health Sciences University School Of Medicine · graduated 2018 (8 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joel D. McLouth, 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 Joel D. McLouth accept Medicare assignment?
Yes. Medicare's clinician data says Joel D. McLouth accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Joel D. McLouth see?
In 2024, CMS data shows 204 Original Medicare patients and 538 services for Joel D. McLouth. This counts Original Medicare only and measures volume, not quality.
What is Joel D. McLouth's NPI number?
1811492754. 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 Joel D. McLouth, 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 patients204
Services billed to Medicare538
Different services or procedures40
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Mri scan of brain before and after contrast (70553)70 services
  2. Ct scan head or brain without contrast (70450)25 services
  3. Ct scan of blood vessels of head with contrast (70496)17 services
  4. Ct scan of blood vessels of neck with contrast (70498)16 services
  5. Mri scan of brain without contrast (70551)13 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 cholesterol74%
  • High blood pressure69%
  • Arthritis46%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)33%
  • Depression28%
  • Diabetes27%

Hospitals where Joel D. McLouth works

Medicare's Facility Affiliation Data lists Joel D. McLouth 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.

  • UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Joel D. McLouth is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joel D. McLouth as a member of this group (CMS data updated October 2, 2026).

  • UC Regents108 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Orange

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

All radiologists in Orange →

Other clinicians in UC Regents

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

Clinician information

CredentialMD
Medical schoolOregon Health Sciences University School Of Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811492754
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