Etin-Osa O. Osa, MD

Medicare activity in 2024

Official CMS public-use data for Etin-Osa O. Osa, 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. Ct guidance for insertion of radiation therapy fields (77014)930 services
2. Radiation treatment management, 5 treatment sessions (77427)276 services
3. Calculation of radiation therapy dose (77300)248 services
4. Design and construction of complex radiation treatment device (77334)213 services
5. Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment (G6017)190 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).

• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
• High blood pressure73%
• High cholesterol73%
• Arthritis43%
• Anxiety29%
• Diabetes27%

Hospitals where Etin-Osa O. Osa works

Medicare's Facility Affiliation Data lists Etin-Osa O. Osa 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
• Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220086
• Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220171
• Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220033
• Winchester HospitalWinchester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220105

Practice locations

Addresses where Etin-Osa O. Osa is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Elliot WayManchester, NH 03103 (603) 663‑1800
• 1 Elliot Way, Department of Radiation OncologyManchester, NH 03103
• 1 Essex Ctr DrPeabody, MA 01960 (978) 538‑4102
• 1 Hospital DrLowell, MA 01852 (978) 934‑8457
• 41 Mall RdBurlington, MA 01805 (781) 744‑8780

Group practices

Medicare enrollment lists Etin-Osa O. Osa as a member of this group (CMS data updated October 2, 2026).

• Radiation Oncology Associates, PA23 clinicians in the group

Specialties

• Radiation Oncologyprimary

Find other Radiation Oncology doctors in New Hampshire →

Other radiation oncologists in Manchester

Clinicians with the same Medicare primary specialty in Manchester, NH — not a recommendation.

• Jeffrey V. Brower, MD
• Naomi Y. Jiang, MD
• Vivek L. Patel, MD
• Andrea B. McKee, MD
• David Buchberger
• Asa J. Nixon, MD
• Arul Mahadevan, MD
• Matthew S. Katz, MD

All radiation oncologists in Manchester →

Other clinicians in Radiation Oncology Associates, PA

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

• Jeffrey V. Brower, MD
• Naomi Y. Jiang, MD
• Vivek L. Patel, MD
• Matthew S. Katz, MD
• Thomas A. Sheldon, MD
• Brian R. Knab, 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