Dorothy T. Pei, MD

Medicare activity in 2024

Official CMS public-use data for Dorothy T. Pei, 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. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)585 services
2. Injection, regadenoson, 0.1 mg (J2785)476 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)164 services
4. Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries (A9555)127 services
5. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician (93015)126 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 disease56%
• Arthritis49%
• Diabetes45%
• Chronic kidney disease40%

Hospitals where Dorothy T. Pei works

Medicare's Facility Affiliation Data lists Dorothy T. Pei 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.

• Memorial Hermann Northeast HospitalHumble, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450684

Practice locations

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

• 18980 W Memorial Dr, Suite 100Humble, TX 77338

Group practices

Medicare enrollment lists Dorothy T. Pei as a member of this group (CMS data updated October 2, 2026).

• Rajiv Agarwal MD PA20 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in Texas →

Other cardiologists in Humble

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

• Michael P. Siropaides, MD
• Andrew J. Kim, DO
• Mohan Jacob, MD
• Natasha Iliskovic, MD
• Edward Y. Wei, MD
• Cindy M. John, MD
• Harsh Patel, DO
• Mariam Rahim, MD

All cardiologists in Humble →

Other clinicians in Rajiv Agarwal MD PA

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

• Michael P. Siropaides, MD
• Julie A. Bernell, MD
• Stephanie L. Gross Pierce, MD
• Lorena Jimenez, NP
• Ricardo V. Bellera, MD
• Daira L. Springer, NP

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