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Allergy/Immunology

Adil S. Zahiruddin, MD

Sees patients in Katy, TX · Houston, TX · Cypress, TX … · Texas

Summary

Dr. Adil S. Zahiruddin, MD is an allergist and immunologist at 23543 Kingsland Blvd, Suite 100, Katy, TX 77494. Phone: (281) 693-0084. Accepts Medicare assignment. In 2024, Adil S. Zahiruddin had 121 Original Medicare patients and 9,281 services. NPI 1982048328. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 23543 Kingsland Blvd, Suite 100, Katy, TX 77494 · Directions (6 more locations)
  • Phone: (281) 693‑0084
  • Medicare: Accepts Medicare assignment
  • Group practice: Allergy and Ent Associates PLLC
  • Medical school: University Of Texas Southwestern Medical School At Dallas · graduated 2013 (13 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Adil S. Zahiruddin, 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 Adil S. Zahiruddin accept Medicare assignment?
Yes. Medicare's clinician data says Adil S. Zahiruddin 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 Adil S. Zahiruddin see?
In 2024, CMS data shows 121 Original Medicare patients and 9,281 services for Adil S. Zahiruddin. This counts Original Medicare only and measures volume, not quality.
What is Adil S. Zahiruddin's NPI number?
1982048328. 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 Adil S. Zahiruddin, 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 patients121
Services billed to Medicare9,281
Different services or procedures23
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Test for allergy using allergenic extract (95004)1,653 services
  2. Test for allergy using allergenic extract injected into skin (95024)531 services
  3. Professional service for multiple injections of allergen (95117)520 services
  4. Professional service for preparation and provision of 1 or more antigens (95165)375 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)213 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 pressure68%
  • Arthritis45%
  • Asthma41%
  • Ischemic heart disease26%
  • Diabetes24%

Practice locations

Addresses where Adil S. Zahiruddin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

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

  • Allergy and Ent Associates PLLC32 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Texas →

Other allergist and immunologists in Katy

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

All allergist and immunologists in Katy →

Other clinicians in Allergy and Ent Associates PLLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Southwestern Medical School At Dallas
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1982048328
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians