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Cardiovascular Disease (Cardiology)

Leticia Castillo Kontak, MD

Works at hospitals in Round Rock, TX · Temple, TX · Taylor, TX … · Texas

Summary

Dr. Leticia Castillo Kontak, MD is a cardiologist at 10526 W Parmer Ln Bldg, 4 Baylor Scott and White Clinic Austi, Austin, TX 78717. Phone: (512) 310-4700. Accepts Medicare assignment. In 2024, Leticia Castillo Kontak had 1,366 Original Medicare patients and 2,666 services. NPI 1891994968. 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 Leticia Castillo Kontak, 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 Leticia Castillo Kontak accept Medicare assignment?
Yes. Medicare's clinician data says Leticia Castillo Kontak 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 Leticia Castillo Kontak see?
In 2024, CMS data shows 1,366 Original Medicare patients and 2,666 services for Leticia Castillo Kontak. This counts Original Medicare only and measures volume, not quality.
What is Leticia Castillo Kontak's NPI number?
1891994968. 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 Leticia Castillo Kontak, 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 patients1,366
Services billed to Medicare2,666
Different services or procedures38
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)912 services
  2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)473 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)314 services
  4. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (93016)103 services
  5. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)103 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%
  • Arthritis55%
  • Ischemic heart disease47%
  • Atrial fibrillation39%
  • Heart failure37%

Hospitals where Leticia Castillo Kontak works

Medicare's Facility Affiliation Data lists Leticia Castillo Kontak 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 Leticia Castillo Kontak is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 31; the Medicare profile lists all.

Group practices

Medicare enrollment lists Leticia Castillo Kontak as a member of this group (CMS data updated October 2, 2026).

  • Scott and White Clinic2,461 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Texas →

Other cardiologists in Austin

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

All cardiologists in Austin →

Other clinicians in Scott and White Clinic

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

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1891994968
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