Irvin C. Tantuco, MD

Medicare activity in 2024

Official CMS public-use data for Irvin C. Tantuco, 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. Test for allergy using allergenic extract (95004)1,512 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)757 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)496 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)374 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)274 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%
• Diabetes49%
• Arthritis48%
• Ischemic heart disease45%
• Chronic kidney disease34%

Hospitals where Irvin C. Tantuco works

Medicare's Facility Affiliation Data lists Irvin C. Tantuco 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 KingwoodKingwood, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450775
• HCA Houston Healthcare Medical CenterHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450659
• Memorial Hermann Houston Physicians HospitalWebster, TX · Acute Care Hospital · CCN 670008
• The Woman's Hospital of TexasHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450674

Practice locations

Addresses where Irvin C. Tantuco is enrolled with Medicare (CMS data updated October 2, 2026).

• 12121 Richmond AveHouston, TX 77082 (281) 920‑5558
• 1213 Hermann Dr, Suite 610Houston, TX 77004
• 6699 Chimney Rock Rd, Suite 202Houston, TX 77081 (281) 920‑5558

Group practices

Medicare enrollment lists Irvin C. Tantuco as a member of this group (CMS data updated October 2, 2026).

• Oprex Medical Group PLLC5 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Houston

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

• Stephanie Sherman, MD
• Sandesh S. Nagamani
• Arjun V. Jogimahanti, MD
• Sara Bedrose, MD
• Krista E. Johnson, MD
• Bryan Patterson, MD
• Steven K. Lin, MD
• Thuyen T. Nguyen, MD

All internal medicine doctors in Houston →

Other clinicians in Oprex Medical Group PLLC

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

• Rafay Soleja, MD
• Philip A. Matorin, MD
• Raza Pasha, MD

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