Enrique M. Sta. Ana, MD

Medicare activity in 2024

Official CMS public-use data for Enrique M. Sta. Ana, 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. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)26 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)18 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)12 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%
• Arthritis48%
• Chronic kidney disease44%
• Ischemic heart disease35%
• Atrial fibrillation35%

Hospitals where Enrique M. Sta. Ana works

Medicare's Facility Affiliation Data lists Enrique M. Sta. Ana 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 Memorial City HospitalHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450610

Practice locations

Addresses where Enrique M. Sta. Ana is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.

• 1140 Business Ctr Dr, Suite 400Houston, TX 77043 (713) 464‑1981
• 1431 Studemont St, Suite C2400Houston, TX 77007 (281) 242‑2980
• 1631 N Loop W, Suite 430Houston, TX 77008 (832) 658‑5600
• 1635 N Loop WHouston, TX 77008 (713) 867‑2066
• 1635 N Loop W, Suite 155Houston, TX 77008 (713) 867‑2429

Group practices

Medicare enrollment lists Enrique M. Sta. Ana as a member of this group (CMS data updated October 2, 2026).

• Memorial Hermann Medical Group762 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in Texas →

Other general surgeons in Houston

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

• Elizabeth T. Bonefas, MD
• Anna K. Mydlowska, MD
• Michelino Scarlata, MD
• Damian Chaupin, MD
• Sheilendra S. Mehta, MD
• Michele Loor, MD
• Ryan P. Dumas, MD
• Rami Al-Aref, MD

All general surgeons in Houston →

Other clinicians in Memorial Hermann Medical Group

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

• Rani Nanda, MD
• Jill N. Ash, NP
• Saherish M. Abbasi, DO
• Bryan Patterson, MD
• Lauren Wilson, MD
• Jacqueline L. Hourigan

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