Chizoba C. Obi, MD

Medicare activity in 2024

Official CMS public-use data for Chizoba C. Obi, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)332 services
2. Insertion of needle into vein for collection of blood sample (36415)128 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)93 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)90 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)88 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%
• Chronic kidney disease75%
• Heart failure60%
• Diabetes56%
• Ischemic heart disease50%

Hospitals where Chizoba C. Obi works

Medicare's Facility Affiliation Data lists Chizoba C. Obi 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.

• Baylor Scott & White Medical Center- College StatiCollege Station, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 670088
• CHI St Joseph Health Regional HospitalBryan, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450011
• Madison St Joseph Health CenterMadisonville, TX · Critical Access Hospital · Emergency services: listed by Medicare · CCN 451316

Practice locations

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

• 2310 Delee St, Suite 100Bryan, TX 77802 (979) 485‑9496
• 5201 Memorial Dr, Unit 529Houston, TX 77007 (855) 674‑5333

Group practices

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

• MRG Health Texas PLLC9 clinicians in the group

Specialties

• Nephrologyprimary

Find other Nephrology doctors in Texas →

Other nephrologists in Bryan

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

• Richard G. Morgan, MD
• Asad Khan, MD
• Frederick Tan, MD

All nephrologists in Bryan →

Other clinicians in MRG Health Texas PLLC

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

• Okezie N. Okezie, MD
• Roman E. Tavarez, MD
• Nasha K. Nensey, MD
• Jill A. Taylor, MD
• Christopher A. Ajufo, MD
• Vincent Rebugio, 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