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Emergency Medicine

Henry F. Showah, MD

Works at hospitals in Encinitas, CA · Oceanside, CA · California

Summary

Dr. Henry F. Showah, MD is an emergency medicine doctor at 6260 El Camino Real, Suite 100, Carlsbad, CA 92009. Phone: (760) 476-2953. Accepts Medicare assignment. In 2024, Henry F. Showah had 68 Original Medicare patients and 553 services. NPI 1043205784. 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 Henry F. Showah, 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 Henry F. Showah accept Medicare assignment?
Yes. Medicare's clinician data says Henry F. Showah 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 Henry F. Showah see?
In 2024, CMS data shows 68 Original Medicare patients and 553 services for Henry F. Showah. This counts Original Medicare only and measures volume, not quality.
What is Henry F. Showah's NPI number?
1043205784. 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 Henry F. Showah, 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 patients68
Services billed to Medicare553
Different services or procedures9
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)276 services
  2. Removal of skin and tissue, 20.0 sq cm or less (11042)102 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)32 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 cholesterol72%
  • Arthritis62%
  • Heart failure43%
  • Atrial fibrillation43%
  • Diabetes41%

Hospitals where Henry F. Showah works

Medicare's Facility Affiliation Data lists Henry F. Showah 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.

  • Scripps Memorial Hospital - EncinitasEncinitas, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050503
  • Tri-City Medical CenterOceanside, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050128

Practice locations

Addresses where Henry F. Showah is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All emergency medicine doctors in California →

Clinician information

CredentialMD
Medical schoolUniversity Of Connecticut School Of Medicine
Graduation year1992 (34 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043205784
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