Vivian Okirie, MD

Medicare activity in 2024

Official CMS public-use data for Vivian Okirie, 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 35 minutes (99232)138 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)117 services
3. Hospital discharge day management, more than 30 minutes (99239)57 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)15 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 cholesterol73%
• Diabetes58%
• Chronic kidney disease58%
• Heart failure55%
• Ischemic heart disease47%

Hospitals where Vivian Okirie works

Medicare's Facility Affiliation Data lists Vivian Okirie 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.

• Ascension St John Medical CenterTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370114

Practice locations

Addresses where Vivian Okirie is enrolled with Medicare (CMS data updated October 2, 2026).

• 1923 S Utica AveTulsa, OK 74104 (918) 744‑3131
• 300 Rockefeller DrMuskogee, OK 74401 (918) 684‑2101

Group practices

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

• Usacs Observation Medicine Services of Oklahoma, LLC210 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Oklahoma →

Other internal medicine doctors in Tulsa

Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.

• Audrey Corbett, MD
• Valerie M. Howard, DO
• Ardeshir F. Nia, MD
• Renae L. Mayer, MD
• David P. D Alessandro, MD
• Bernadette M. Miller, MD
• Pallavi Agarwal, MD
• John E. Ruffing, MD

All internal medicine doctors in Tulsa →

Other clinicians in Usacs Observation Medicine Services of Oklahoma, LLC

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

• Melody Shaw, PA
• Vishal Mundra, MD
• Fumilayo H. Williams-Idahagbon, MD
• Tabitha Spataro, NP
• Stephani B. Brisbin, PA
• Susan E. Kohl, 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