Ismail T. Dairywala, MD

Medicare activity in 2024

Official CMS public-use data for Ismail T. Dairywala, 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.

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)146 services
2. Injection, regadenoson, 0.1 mg (J2785)100 services
3. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)76 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)61 services
5. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician (93015)39 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 disease64%
• Arthritis51%
• Diabetes41%
• Heart failure39%

Hospitals where Ismail T. Dairywala works

Medicare's Facility Affiliation Data lists Ismail T. Dairywala 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.

• HCA Houston Healthcare Medical CenterHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450659
• HCA Houston Healthcare TomballTomball, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450670
• Houston Methodist Willowbrook HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450844
• St. Luke's Hospital at The VintageHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 670075

Practice locations

Addresses where Ismail T. Dairywala is enrolled with Medicare (CMS data updated October 2, 2026).

• 18220 Tomball Pkwy, Suite 230Houston, TX 77070 (832) 422‑5252

Specialties

• Cardiovascular Disease (Cardiology)primary
• Interventional Radiologyalso
• Nuclear Medicinealso
• Peripheral Vascular Diseasealso

Find other Cardiovascular Disease (Cardiology) doctors in Texas →

Other cardiologists in Houston

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

• Nirmal S. Bual, MD
• Anita Deswal, MD
• Kevin Rabii, DO
• Amit J. Patel, DO
• Ali E. Denktas, MD
• Loi P. Nguyen, MD
• Ronald L. Maag, MD
• Lola Xie, MD

All cardiologists in Houston →

Clinician information

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