Gustavo Grieco, MD

Medicare activity in 2024

Official CMS public-use data for Gustavo Grieco, 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)467 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)343 services
3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)316 services
4. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)291 services
5. Injection, regadenoson, 0.1 mg (J2785)258 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 disease57%
• Arthritis55%
• Atrial fibrillation40%
• Diabetes37%

Hospitals where Gustavo Grieco works

Medicare's Facility Affiliation Data lists Gustavo Grieco 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
• Tyler County HospitalWoodville, TX · Acute Care Hospital · Emergency services: listed by Medicare · CCN 450460

Practice locations

Addresses where Gustavo Grieco is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

• 1801 N Loop W, Suite 30Houston, TX 77008 (713) 802‑9781
• 7474 N Grand Pkwy W, Suite 400Spring, TX 77379 (832) 717‑7825
• 915 Gessner Rd, Suite 100Houston, TX 77024 (713) 242‑2222
• 9180 Pinecroft DrShenandoah, TX 77380
• 9250 Pinecroft DrShenandoah, TX 77380 (713) 897‑2307

Group practices

Medicare enrollment lists Gustavo Grieco as a member of this group (CMS data updated October 2, 2026).

• Memorial Hermann Medical Group762 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary
• Internal Medicinealso

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.

• Kim-Trang D. Ho, MD
• Robert G. Hust, MD
• Heinrich Taegtmeyer, MD
• Adam M. Brouillard, MD
• Rabel Rameez, MD
• Chaitanya B. Shah, MD
• Jerry Arellano, MD
• Madjid Mirzaitehrane, MD

All cardiologists in Houston →

Other clinicians in Memorial Hermann Medical Group

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

• Marwa K. Abd Alla, MD
• Marie Fouad, MD
• Anira A. Rashid, DO
• Maryam Mahmood, MD
• Justin Bogwu, MD
• Jessica Ferrell, PA

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