Onyemaechi Nwabueze, MD

Medicare activity in 2024

Official CMS public-use data for Onyemaechi Nwabueze, 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. Anesthesia for lens surgery (00142)27 services
2. Anesthesia for other procedure on eye (00140)17 services
3. Ultrasonic guidance for blood vessel access (76937)13 services
4. Insertion of artery tube for blood sampling or infusion through skin (36620)12 services
5. Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)11 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%
• Arthritis56%
• Diabetes39%
• Ischemic heart disease30%
• Anxiety30%

Hospitals where Onyemaechi Nwabueze works

Medicare's Facility Affiliation Data lists Onyemaechi Nwabueze 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.

• Scripps Mercy HospitalSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050077

Practice locations

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

• 3626 Ruffin RdSan Diego, CA 92123 (619) 565‑9666

Group practices

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

• Anesthesia Service Medical Group246 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in California →

Other anesthesiologists in San Diego

Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.

• Miguel A. Blacutt, MD
• Elizabeth E. Ellinwood, DO
• Reema Sanghvi, MD
• Farshad Ahadian
• Zinaida Wadhwani, MD
• Joseph P. Nguyen, MD
• Michelle T. Epps, MD
• Karim T. Rafaat, MD

All anesthesiologists in San Diego →

Other clinicians in Anesthesia Service Medical Group

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

• Miguel A. Blacutt, MD
• Elizabeth E. Ellinwood, DO
• Kenneth H. Marsh, MD
• Bradley D. Foltz, MD
• Erin C. Heinle, MD
• Christopher S. Mingrone, 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