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Cardiovascular Disease (Cardiology)

Juan J. Garza, MD

Works at hospitals in Edinburg, TX · Harlingen, TX · Weslaco, TX · Texas

Summary

Dr. Juan J. Garza, MD is a cardiologist at 2310 N Ed Carey Dr, Harlingen, TX 78550. Phone: (956) 368-5228. Accepts Medicare assignment. In 2024, Juan J. Garza had 772 Original Medicare patients and 2,842 services. NPI 1306841366. 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 Juan J. Garza, 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 Juan J. Garza accept Medicare assignment?
Yes. Medicare's clinician data says Juan J. Garza 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 Juan J. Garza see?
In 2024, CMS data shows 772 Original Medicare patients and 2,842 services for Juan J. Garza. This counts Original Medicare only and measures volume, not quality.
What is Juan J. Garza's NPI number?
1306841366. 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 Juan J. Garza, 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 patients772
Services billed to Medicare2,842
Different services or procedures87
Participating Medicare providerYes
Average age of these patients77

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)545 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)375 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)221 services
  4. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)202 services
  5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)192 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 disease59%
  • Arthritis56%
  • Diabetes53%
  • Chronic kidney disease50%

Hospitals where Juan J. Garza works

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

Group practices

Medicare enrollment lists Juan J. Garza as a member of this group (CMS data updated October 2, 2026).

  • South Heart Clinic, PLLC14 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Texas →

Other cardiologists in Harlingen

Clinicians with the same Medicare primary specialty in Harlingen, TX — not a recommendation.

All cardiologists in Harlingen →

Other clinicians in South Heart Clinic, PLLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical Branch At Galveston
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306841366
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