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Cardiac Electrophysiology

Percy F. Morales, MD

Works at hospitals in The Woodlands, TX · Humble, TX · Texas

Summary

Dr. Percy F. Morales, MD is a cardiac electrophysiologist at 18835 McKay Dr, Humble, TX 77338. Phone: (832) 644-8930. Accepts Medicare assignment. In 2024, Percy F. Morales had 981 Original Medicare patients and 4,541 services. NPI 1609031368. 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 Percy F. Morales, 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 Percy F. Morales accept Medicare assignment?
Yes. Medicare's clinician data says Percy F. Morales 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 Percy F. Morales see?
In 2024, CMS data shows 981 Original Medicare patients and 4,541 services for Percy F. Morales. This counts Original Medicare only and measures volume, not quality.
What is Percy F. Morales's NPI number?
1609031368. 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 Percy F. Morales, 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 patients981
Services billed to Medicare4,541
Different services or procedures72
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional (93228)579 services
  2. Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional (93229)579 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)525 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)511 services
  5. Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)299 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%
  • Ischemic heart disease53%
  • Arthritis49%
  • Diabetes44%
  • Atrial fibrillation44%

Hospitals where Percy F. Morales works

Medicare's Facility Affiliation Data lists Percy F. Morales 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 Percy F. Morales is enrolled with Medicare (CMS data updated October 2, 2026).

  • 18835 McKay DrHumble, TX 77338 (832) 644‑8930
  • 18980 W Memorial Dr, Suite 100Humble, TX 77338

Group practices

Medicare enrollment lists Percy F. Morales as a member of this group (CMS data updated October 2, 2026).

  • Rajiv Agarwal MD PA20 clinicians in the group

Specialties

Find other Cardiac Electrophysiology doctors in Texas →

Other cardiac electrophysiologists in Texas

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

All cardiac electrophysiologists in Texas →

Other clinicians in Rajiv Agarwal MD PA

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

Clinician information

CredentialMD
Medical schoolWashington University School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609031368
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