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Otolaryngology

Jeffrey S. Zapalac Jr., MD

Works at hospitals in Round Rock, TX · Texas

Summary

Dr. Jeffrey S. Zapalac Jr., MD is an ENT doctor at 7200 Wyoming Springs Dr, Suite 1400, Round Rock, TX 78681. Phone: (512) 458-6391. Accepts Medicare assignment. In 2024, Jeffrey S. Zapalac Jr. had 640 Original Medicare patients and 1,119 services. NPI 1013988336. 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.

  • Specialty: ENT doctor (Medicare lists Otolaryngology)
  • Address: 7200 Wyoming Springs Dr, Suite 1400, Round Rock, TX 78681 · Directions
  • Phone: (512) 458‑6391
  • Medicare: Accepts Medicare assignment
  • Hospital: Round Rock Medical Center
  • Group practice: Austin Ent Associates
  • Medical school: graduated 1996 (30 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jeffrey S. Zapalac Jr., 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 Jeffrey S. Zapalac Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Jeffrey S. Zapalac Jr. 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 Jeffrey S. Zapalac Jr. see?
In 2024, CMS data shows 640 Original Medicare patients and 1,119 services for Jeffrey S. Zapalac Jr.. This counts Original Medicare only and measures volume, not quality.
What is Jeffrey S. Zapalac Jr.'s NPI number?
1013988336. 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 Jeffrey S. Zapalac Jr., 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 patients640
Services billed to Medicare1,119
Different services or procedures34
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)324 services
  2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)250 services
  3. Diagnostic exam of voice box using a flexible endoscope (31575)102 services
  4. Removal of impacted ear wax (69210)101 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)83 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 cholesterol75%
  • High blood pressure73%
  • Arthritis47%
  • Ischemic heart disease33%
  • Diabetes24%
  • Anxiety20%

Hospitals where Jeffrey S. Zapalac Jr. works

Medicare's Facility Affiliation Data lists Jeffrey S. Zapalac Jr. 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 Jeffrey S. Zapalac Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jeffrey S. Zapalac Jr. as a member of this group (CMS data updated October 2, 2026).

  • Austin Ent Associates5 clinicians in the group

Specialties

Find other Otolaryngology doctors in Texas →

Other ENT doctors in Round Rock

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

All ENT doctors in Round Rock →

Other clinicians in Austin Ent Associates

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

Clinician information

CredentialMD
Graduation year1996 (30 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013988336
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