Ifeoma N. Onwubiko, MD

Medicare activity in 2024

Official CMS public-use data for Ifeoma N. Onwubiko, 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. Pathology examination of tissue using a microscope, intermediate complexity (88305)943 services
2. Special stained specimen slides to examine tissue, each additional procedure (88341)565 services
3. Special stained specimen slides to examine tissue including interpretation and report (88313)154 services
4. Special stained specimen slides to examine tissue, initial procedure (88342)149 services
5. Preparation of tissue for examination by removing any calcium present (88311)143 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%
• Arthritis53%
• Ischemic heart disease30%
• Anxiety30%
• Diabetes28%

Hospitals where Ifeoma N. Onwubiko works

Medicare's Facility Affiliation Data lists Ifeoma N. Onwubiko 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.

• Anna Jaques HospitalNewburyport, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220029
• Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281

Practice locations

Addresses where Ifeoma N. Onwubiko is enrolled with Medicare (CMS data updated October 2, 2026).

• 25 Highland AveNewburyport, MA 01950 (978) 463‑1095

Group practices

Medicare enrollment lists Ifeoma N. Onwubiko as a member of this group (CMS data updated October 2, 2026).

• Seacoast Pathology Inc4 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in Massachusetts →

Other pathologists in Massachusetts

Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.

• Debasmita Das, MD
• Jeremy Ryan A. Pena, MD
• Katelyn C. Dannheim Drew, MD
• Julia M. Braza, MD
• Yanhua Li, MD
• Bruce S. Tronic, MD
• Amelia Haj, MD
• Musacide Z. Ordulu Sahin, MD

All pathologists in Massachusetts →

Other clinicians in Seacoast Pathology Inc

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

• Debasmita Das, MD
• Leslie Dowd, 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