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Emergency Medicine

Judson J. Merritt, MD

Works at hospitals in El Centro, CA · San Diego, CA · California

Summary

Dr. Judson J. Merritt, MD is an emergency medicine doctor at 1415 Ross Ave, El Centro, CA 92243. Phone: (858) 759-4765. Accepts Medicare assignment. In 2024, Judson J. Merritt had 392 Original Medicare patients and 572 services. NPI 1740548007. 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 Judson J. Merritt, 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 Judson J. Merritt accept Medicare assignment?
Yes. Medicare's clinician data says Judson J. Merritt 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 Judson J. Merritt see?
In 2024, CMS data shows 392 Original Medicare patients and 572 services for Judson J. Merritt. This counts Original Medicare only and measures volume, not quality.
What is Judson J. Merritt's NPI number?
1740548007. 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 Judson J. Merritt, 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 patients392
Services billed to Medicare572
Different services or procedures22
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)175 services
  2. Emergency department visit with high level of medical decision making (99285)158 services
  3. Emergency department visit with moderate level of medical decision making (99284)115 services
  4. Critical care, first 30-74 minutes (99291)79 services
  5. Emergency department visit with low level of medical decision making (99283)24 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 blood pressure75%
  • High cholesterol75%
  • Arthritis59%
  • Ischemic heart disease53%
  • Diabetes45%
  • Chronic kidney disease44%

Hospitals where Judson J. Merritt works

Medicare's Facility Affiliation Data lists Judson J. Merritt 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 Judson J. Merritt is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Judson J. Merritt as a member of these groups (CMS data updated October 2, 2026).

  • Regents of the University of California2,089 clinicians in the group
  • Regents of the University of California45 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in El Centro

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

All emergency medicine doctors in El Centro →

Other clinicians in Regents of the University of California

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

Clinician information

CredentialMD
Graduation year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740548007
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