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Cardiac Electrophysiology

Hemal M. Nayak, MD

Works at hospitals in San Antonio, TX · Kerrville, TX · Texas

Summary

Dr. Hemal M. Nayak, MD is a cardiac electrophysiologist at 575 Hill Country Dr, Kerrville, TX 78028. Phone: (210) 450-9000. Accepts Medicare assignment. In 2024, Hemal M. Nayak had 526 Original Medicare patients and 1,030 services. NPI 1306892765. 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 Hemal M. Nayak, 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 Hemal M. Nayak accept Medicare assignment?
Yes. Medicare's clinician data says Hemal M. Nayak 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 Hemal M. Nayak see?
In 2024, CMS data shows 526 Original Medicare patients and 1,030 services for Hemal M. Nayak. This counts Original Medicare only and measures volume, not quality.
What is Hemal M. Nayak's NPI number?
1306892765. 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 Hemal M. Nayak, 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 patients526
Services billed to Medicare1,030
Different services or procedures68
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)186 services
  2. Programming of dual lead pacemaker system (93280)110 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)87 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)85 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)58 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%
  • Atrial fibrillation53%
  • Arthritis48%
  • Ischemic heart disease46%
  • Diabetes45%

Hospitals where Hemal M. Nayak works

Medicare's Facility Affiliation Data lists Hemal M. Nayak 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 Hemal M. Nayak is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hemal M. Nayak as a member of these groups (CMS data updated October 2, 2026).

  • University of Texas Health Science Center at San Antonio1,297 clinicians in the group
  • Peterson Medical Associates191 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 University of Texas Health Science Center at San Antonio

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

Clinician information

CredentialMD
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306892765
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